\u0625\u0630\u0627 \u0642\u0645\u062a \u0628\u0634\u0631\u0627\u0621 ’ \u0645\u0646 \u0642\u0628\u0644 \u0645\u062b\u0628\u062a\u0627\u062a \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623\u060c \u0641\u0645\u0646 \u0627\u0644\u0645\u0624\u0643\u062f \u062a\u0642\u0631\u064a\u0628\u064b\u0627 \u0623\u0646\u0643 \u0648\u0627\u062c\u0647\u062a \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u064a\u0646 “A2” \u0648“A4”. \u0647\u0630\u0627\u0646 \u0647\u0645\u0627 \u0627\u0644\u062f\u0631\u062c\u062a\u0627\u0646 \u0627\u0644\u0623\u0643\u062b\u0631 \u0634\u064a\u0648\u0639\u064b\u0627 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0641\u064a \u0623\u062f\u0648\u0627\u062a \u0627\u0644\u062a\u062b\u0628\u064a\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629\u060c \u0644\u0643\u0646\u0647\u0645\u0627 \u063a\u064a\u0631 \u0642\u0627\u0628\u0644\u064a\u0646 \u0644\u0644\u062a\u0628\u062f\u064a\u0644. \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0624\u062f\u064a \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u062e\u0627\u0637\u0626\u0629 \u0625\u0644\u0649 \u0627\u0644\u062a\u0622\u0643\u0644 \u0627\u0644\u0645\u0628\u0643\u0631 \u0648\u0627\u0644\u0641\u0634\u0644 \u0627\u0644\u0647\u064a\u0643\u0644\u064a \u0648\u0627\u0644\u062a\u0643\u0627\u0644\u064a\u0641 \u063a\u064a\u0631 \u0627\u0644\u0636\u0631\u0648\u0631\u064a\u0629.<\/p>\n\n\n\n
\u0633\u064a\u0634\u0631\u062d \u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644 \u0628\u0627\u0644\u0636\u0628\u0637 \u0645\u0627\u0647\u064a\u0629 A2 \u0648A4 \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623\u060c \u0648\u0643\u064a\u0641 \u064a\u062e\u062a\u0644\u0641\u0627\u0646 \u0641\u064a \u0627\u0644\u062a\u0643\u0648\u064a\u0646 \u0648\u0627\u0644\u0623\u062f\u0627\u0621\u060c \u0648\u0623\u064a\u0646 \u064a\u0646\u0628\u063a\u064a (\u0648\u0644\u0627 \u064a\u0646\u0628\u063a\u064a) \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0643\u0644 \u0645\u0646\u0647\u0645\u0627\u060c \u0643\u0645\u0627 \u0633\u064a\u0648\u0641\u0631 \u0625\u0637\u0627\u0631\u064b\u0627 \u0648\u0627\u0636\u062d\u064b\u0627 \u0644\u0627\u062a\u062e\u0627\u0630 \u0627\u0644\u0642\u0631\u0627\u0631 \u0644\u0645\u0633\u0627\u0639\u062f\u062a\u0643 \u0641\u064a \u0627\u062a\u062e\u0627\u0630 \u0627\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u0635\u062d\u064a\u062d \u0644\u0645\u0634\u0631\u0648\u0639\u0643 \u0627\u0644\u0645\u062d\u062f\u062f.<\/p>\n\n\n\n
A2 \u0648A4 \u0639\u0628\u0627\u0631\u0629 \u0639\u0646 \u062a\u0633\u0645\u064a\u0627\u062a \u0645\u062d\u062f\u062f\u0629 \u0628\u0648\u0627\u0633\u0637\u0629 \u0645\u0639\u064a\u0627\u0631 ISO 3506 \u0644\u0645\u062b\u0628\u062a\u0627\u062a \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062a\u0622\u0643\u0644. \u0625\u0646\u0647\u0627 \u062a\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u0645\u0639\u0647\u062f \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a \u0644\u0644\u062d\u062f\u064a\u062f \u0648\u0627\u0644\u0635\u0644\u0628 (AISI) \u0627\u0644\u0645\u0639\u062a\u0631\u0641 \u0628\u0647\u0627 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 304 \u0648316 \u0639\u0644\u0649 \u0627\u0644\u062a\u0648\u0627\u0644\u064a.<\/p>\n\n\n\n
\u0643\u0644\u0627\u0647\u0645\u0627 \u0645\u0646 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0623\u0648\u0633\u062a\u0646\u064a\u062a\u064a \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623\u060c \u0645\u0645\u0627 \u064a\u0639\u0646\u064a \u0623\u0646\u0647\u0645\u0627 \u064a\u062a\u0645\u062a\u0639\u0627\u0646 \u0628\u0628\u0646\u064a\u0629 \u0628\u0644\u0648\u0631\u064a\u0629 \u0645\u0643\u0639\u0628\u0629 \u0645\u0631\u0643\u0632\u064a\u0629 \u0627\u0644\u0648\u062c\u0647 \u062a\u0648\u0641\u0631 \u0642\u0627\u0628\u0644\u064a\u0629 \u062a\u0634\u0643\u064a\u0644 \u0645\u0645\u062a\u0627\u0632\u0629 \u0648\u0642\u0627\u0628\u0644\u064a\u0629 \u0644\u062d\u0627\u0645 \u0648\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062a\u0622\u0643\u0644. \u0648\u0647\u064a \u063a\u064a\u0631 \u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629 \u0641\u064a \u062d\u0627\u0644\u062a\u0647\u0627 \u0627\u0644\u0645\u0644\u062f\u0646\u0629\u060c \u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646\u0647\u0627 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0635\u0628\u062d \u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629 \u0642\u0644\u064a\u0644\u0627\u064b \u0628\u0639\u062f \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u0628\u0627\u0631\u062f.<\/p>\n\n\n\n
\u0627\u0644\u0641\u0631\u0642 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0628\u064a\u0646 A2 \u0648A4 \u064a\u0643\u0645\u0646 \u0641\u064a \u062a\u0631\u0643\u064a\u0628\u0647\u0627 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u060c \u0648\u062a\u062d\u062f\u064a\u062f\u0627 \u0625\u0636\u0627\u0641\u0629 \u0627\u0644\u0645\u0648\u0644\u064a\u0628\u062f\u064a\u0646\u0648\u0645 \u0641\u064a A4.<\/p>\n\n\n\n
\u0627\u0644\u062c\u062f\u0648\u0644<\/p>\n\n\n\n \u0625\u0646 \u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0645\u0648\u0644\u064a\u0628\u062f\u064a\u0646\u0648\u0645 \u0628\u0646\u0633\u0628\u0629 2-3% \u0641\u064a A4 \u0647\u0648 \u0627\u0644\u0630\u064a \u064a\u063a\u064a\u0631 \u0642\u0648\u0627\u0639\u062f \u0627\u0644\u0644\u0639\u0628\u0629. \u0625\u0646\u0647 \u064a\u0639\u0632\u0632 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 \u0648\u0627\u0644\u0634\u0642\u0648\u0642 \u0627\u0644\u0646\u0627\u062a\u062c\u0629 \u0639\u0646 \u0627\u0644\u0643\u0644\u0648\u0631\u064a\u062f\u0627\u062a\u060c \u0648\u0647\u0630\u0627 \u0647\u0648 \u0627\u0644\u0633\u0628\u0628 \u0648\u0631\u0627\u0621 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0625\u0644\u0649 A4 \u063a\u0627\u0644\u0628\u064b\u0627 \u0628\u0627\u0633\u0645 “\u0627\u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u0628\u062d\u0631\u064a\u0629” \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623.<\/p>\n\n\n\n \u0641\u064a \u062d\u064a\u0646 \u0623\u0646 \u0643\u0644\u0627 \u0627\u0644\u0646\u0648\u0639\u064a\u0646 \u064a\u0642\u062f\u0645\u0627\u0646 \u0645\u0642\u0627\u0648\u0645\u0629 \u062c\u064a\u062f\u0629 \u0644\u0644\u062a\u0622\u0643\u0644 \u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u0640 \u0641\u0648\u0644\u0627\u0630 \u0643\u0631\u0628\u0648\u0646\u064a\u060c \u0625\u0644\u0627 \u0623\u0646 \u0623\u062f\u0627\u0626\u0647\u0645\u0627 \u064a\u062e\u062a\u0644\u0641 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631 \u0641\u064a \u0628\u064a\u0626\u0627\u062a \u0645\u062d\u062f\u062f\u0629.<\/p>\n\n\n\n \u0641\u064a \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0631\u0641\u0629\u060c \u064a\u0643\u0648\u0646 \u0644\u0640 A2 \u0648A4 \u062e\u0648\u0627\u0635 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0645\u062a\u0637\u0627\u0628\u0642\u0629 \u062a\u0642\u0631\u064a\u0628\u064b\u0627 \u0639\u0646\u062f \u0625\u0646\u062a\u0627\u062c\u0647\u0645\u0627 \u0628\u0646\u0641\u0633 \u0641\u0626\u0629 \u0627\u0644\u0642\u0648\u0629 (\u0639\u0627\u062f\u0629 \u0641\u0626\u0629 70 \u0623\u0648 80 \u0644\u0644\u0645\u0633\u0627\u0645\u064a\u0631 \u0648\u0627\u0644\u0645\u0633\u0627\u0645\u064a\u0631).<\/p>\n\n\n\n \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u064a\u062d\u062a\u0641\u0638 A4 \u0628\u0642\u0648\u062a\u0647 \u0628\u0634\u0643\u0644 \u0623\u0641\u0636\u0644 \u0641\u064a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u0631\u062a\u0641\u0639\u0629 (\u062a\u0635\u0644 \u0625\u0644\u0649 \u062d\u0648\u0627\u0644\u064a 870 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0645\u0642\u0627\u0628\u0644 815 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0644\u0640 A2) \u0648\u064a\u062a\u0645\u062a\u0639 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\u062a\u0633\u0628\u0628\u0647 \u062a\u0643\u0648\u0646 \u062f\u0627\u0626\u0645\u064b\u0627 \u0623\u0639\u0644\u0649 \u0628\u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u062a\u0648\u0641\u064a\u0631 \u0627\u0644\u0623\u0648\u0644\u064a.<\/p>\n\n\n\n \u0641\u064a \u062d\u064a\u0646 \u0623\u0646 A4 \u0623\u0643\u062b\u0631 \u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062a\u0622\u0643\u0644\u060c \u0625\u0644\u0627 \u0623\u0646\u0647 \u0644\u064a\u0633 \u0636\u0631\u0648\u0631\u064a\u064b\u0627 \u0644\u0643\u0644 \u062a\u0637\u0628\u064a\u0642. \u0625\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u062b\u0628\u062a\u0627\u062a A4 \u0641\u064a \u0627\u0644\u062f\u0627\u062e\u0644 \u0623\u0648 \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u0645\u0639\u062a\u062f\u0644\u0629 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0625\u0647\u062f\u0627\u0631 \u0627\u0644\u0645\u0627\u0644 \u0648\u0644\u0627 \u064a\u0642\u062f\u0645 \u0623\u064a \u0641\u0627\u0626\u062f\u0629 \u0639\u0645\u0644\u064a\u0629.<\/p>\n\n\n\n \u062c: \u0644\u0627 \u064a\u0646\u0635\u062d \u0639\u0645\u0648\u0645\u064b\u0627 \u0628\u0627\u0644\u062a\u0648\u0627\u062c\u062f \u0639\u0644\u0649 \u0645\u0633\u0627\u0641\u0629 5 \u0643\u0645 \u0645\u0646 \u0627\u0644\u0633\u0627\u062d\u0644\u060c \u062e\u0627\u0635\u0629 \u0641\u064a \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u062a\u064a \u0628\u0647\u0627 \u0631\u0630\u0627\u0630 \u0645\u0644\u062d\u064a. \u0633\u0648\u0641 \u062a\u062a\u0637\u0648\u0631 \u0623\u062f\u0648\u0627\u062a \u0627\u0644\u062a\u062b\u0628\u064a\u062a A2 \u0625\u0644\u0649 \u0635\u062f\u0623 \u0633\u0637\u062d\u064a \u0641\u064a \u063a\u0636\u0648\u0646 \u0633\u0646\u0629 \u0625\u0644\u0649 \u0633\u0646\u062a\u064a\u0646 \u0648\u0642\u062f \u062a\u0641\u0634\u0644 \u0647\u064a\u0643\u0644\u064a\u064b\u0627 \u0641\u064a \u063a\u0636\u0648\u0646 5 \u0625\u0644\u0649 10 \u0633\u0646\u0648\u0627\u062a. A4 \u0647\u0648 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629.<\/p>\n\n\n\n \u062c: \u0644\u0627\u060c \u0639\u0646\u062f \u0625\u0646\u062a\u0627\u062c\u0647\u0627 \u0628\u0646\u0641\u0633 \u0641\u0626\u0629 \u0627\u0644\u0642\u0648\u0629 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0627\u0644\u0641\u0626\u0629 80)\u060c \u0641\u0625\u0646 \u0623\u062f\u0648\u0627\u062a \u0627\u0644\u062a\u062b\u0628\u064a\u062a A2 \u0648A4 \u0644\u0647\u0627 \u062e\u0635\u0627\u0626\u0635 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0645\u062a\u0637\u0627\u0628\u0642\u0629 \u0641\u064a \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0631\u0641\u0629. \u0627\u0644\u0641\u0631\u0642 \u0647\u0648 \u0641\u064a \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 \u0648\u0644\u064a\u0633 \u0627\u0644\u0642\u0648\u0629.<\/p>\n\n\n\n \u062c: \u0646\u0639\u0645\u060c \u0641\u0647\u064a \u0645\u062a\u0648\u0627\u0641\u0642\u0629 \u063a\u0644\u0641\u0627\u0646\u064a\u0627 \u0645\u0639 \u0628\u0639\u0636\u0647\u0627 \u0627\u0644\u0628\u0639\u0636. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u062a\u0623\u0643\u062f \u0645\u0646 \u0623\u0646 \u062c\u0645\u064a\u0639 \u0623\u062f\u0648\u0627\u062a \u0627\u0644\u062a\u062b\u0628\u064a\u062a \u0627\u0644\u0645\u0639\u0631\u0636\u0629 \u0644\u0646\u0641\u0633 \u0627\u0644\u0628\u064a\u0626\u0629 \u0627\u0644\u0645\u0633\u0628\u0628\u0629 \u0644\u0644\u062a\u0622\u0643\u0644 \u0647\u064a \u0645\u0646 \u0646\u0641\u0633 \u0627\u0644\u062f\u0631\u062c\u0629 \u0644\u0645\u0646\u0639 \u0627\u0644\u062a\u0622\u0643\u0644 \u063a\u064a\u0631 \u0627\u0644\u0645\u062a\u0633\u0627\u0648\u064a.<\/p>\n\n\n\n \u062c: \u0633\u062a\u0642\u0648\u0645 \u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0630\u0627\u062a \u0627\u0644\u0633\u0645\u0639\u0629 \u0627\u0644\u0637\u064a\u0628\u0629 \u0628\u062e\u062a\u0645 \u0623\u062f\u0648\u0627\u062a \u0627\u0644\u062a\u062b\u0628\u064a\u062a \u0628\u062a\u0635\u0646\u064a\u0641\u0647\u0627 (A2 \u0623\u0648 A4) \u0639\u0644\u0649 \u0631\u0623\u0633 \u0627\u0644\u0628\u0631\u0627\u063a\u064a \u0648\u0627\u0644\u0645\u0633\u0627\u0645\u064a\u0631. \u0625\u0630\u0627 \u0644\u0645 \u064a\u062a\u0645 \u0648\u0636\u0639 \u0639\u0644\u0627\u0645\u0629 \u0639\u0644\u064a\u0647\u060c \u0641\u064a\u0645\u0643\u0646\u0643 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623 \u0627\u0644\u062a\u064a \u062a\u0643\u062a\u0634\u0641 \u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0645\u0648\u0644\u064a\u0628\u062f\u064a\u0646\u0648\u0645.<\/p>\n\n\n\n \u062c: \u0646\u0639\u0645\u060c \u062a\u0648\u0641\u0631 \u062f\u0631\u062c\u0627\u062a \u0645\u062b\u0644 A5 (316L)\u060c \u0648A6 (317L)\u060c \u0648\u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623 \u0627\u0644\u0645\u0632\u062f\u0648\u062c \u0645\u0642\u0627\u0648\u0645\u0629 \u0623\u0641\u0636\u0644 \u0644\u0644\u062a\u0622\u0643\u0644 \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u0642\u0627\u0633\u064a\u0629 \u0644\u0644\u063a\u0627\u064a\u0629. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0641\u0647\u064a \u0623\u0643\u062b\u0631 \u062a\u0643\u0644\u0641\u0629 \u0628\u0643\u062b\u064a\u0631 \u0648\u0623\u0642\u0644 \u0633\u0647\u0648\u0644\u0629 \u0641\u064a \u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u064a\u0647\u0627.<\/p>\n\n\n\n \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0628\u064a\u0646 \u0623\u062f\u0648\u0627\u062a \u062a\u062b\u0628\u064a\u062a \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623 \u0645\u0642\u0627\u0633 A2 \u0648A4 \u0644\u0627 \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 ’t \u0645\u0639\u0642\u062f\u064b\u0627. \u064a\u0639\u0648\u062f \u0627\u0644\u0642\u0631\u0627\u0631 \u0641\u064a \u0627\u0644\u0646\u0647\u0627\u064a\u0629 \u0625\u0644\u0649 \u0645\u0637\u0627\u0628\u0642\u0629 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0623\u062f\u0627\u0629 \u0627\u0644\u062a\u062b\u0628\u064a\u062a ’ \u0645\u0639 \u0627\u0644\u0628\u064a\u0626\u0629 \u0627\u0644\u0645\u062d\u062f\u062f\u0629 \u0627\u0644\u062a\u064a \u0633\u062a\u0639\u0645\u0644 \u0641\u064a\u0647\u0627.<\/p>\n\n\n\n \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0645\u0639\u0638\u0645 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0623\u063a\u0631\u0627\u0636 \u0627\u0644\u0639\u0627\u0645\u0629 \u0641\u064a \u0627\u0644\u062f\u0627\u062e\u0644 \u0623\u0648 \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629 \u0627\u0644\u0645\u0639\u062a\u062f\u0644\u0629\u060c \u064a\u0639\u062f A2 (304) \u0647\u0648 \u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0623\u0641\u0636\u0644. \u0625\u0646\u0647 \u064a\u0642\u062f\u0645 \u0623\u062f\u0627\u0621\u064b \u0645\u0645\u062a\u0627\u0632\u064b\u0627 \u0628\u0633\u0639\u0631 \u0645\u0639\u0642\u0648\u0644 \u0648\u0645\u062a\u0648\u0641\u0631 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0628\u062c\u0645\u064a\u0639 \u0627\u0644\u0623\u062d\u062c\u0627\u0645 \u0648\u0627\u0644\u0623\u0646\u0645\u0627\u0637.<\/p>\n\n\n\n \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0623\u064a \u062a\u0637\u0628\u064a\u0642 \u064a\u062a\u0636\u0645\u0646 \u0627\u0644\u062a\u0639\u0631\u0636 \u0644\u0644\u0645\u064a\u0627\u0647 \u0627\u0644\u0645\u0627\u0644\u062d\u0629\u060c \u0623\u0648 \u0623\u0645\u0644\u0627\u062d \u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u062c\u0644\u064a\u062f\u060c \u0623\u0648 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629\u060c \u0641\u0625\u0646 A4 (316) \u0636\u0631\u0648\u0631\u064a. \u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646\u0647\u0627 \u062a\u0643\u0644\u0641 \u0623\u0643\u062b\u0631 \u0645\u0642\u062f\u0645\u064b\u0627\u060c \u0625\u0644\u0627 \u0623\u0646\u0647\u0627 \u0633\u062a\u0648\u0641\u0631 \u0623\u062f\u0627\u0621\u064b \u0645\u0648\u062b\u0648\u0642\u064b\u0627 \u0644\u0633\u0646\u0648\u0627\u062a \u0639\u062f\u064a\u062f\u0629 \u0648\u062a\u0645\u0646\u0639 \u0627\u0644\u0639\u0648\u0627\u0642\u0628 \u0627\u0644\u0645\u0643\u0644\u0641\u0629 \u0644\u0641\u0634\u0644 \u0623\u062f\u0627\u0629 \u0627\u0644\u062a\u062b\u0628\u064a\u062a.<\/p>\n\n\n\n \u0639\u0646\u062f\u0645\u0627 \u062a\u0643\u0648\u0646 \u0641\u064a \u0634\u0643\u060c \u0627\u0633\u062a\u0634\u0631 \u062f\u0627\u0626\u0645\u064b\u0627 \u0645\u0648\u0631\u062f \u0623\u062f\u0648\u0627\u062a \u0627\u0644\u062a\u062b\u0628\u064a\u062a \u0627\u0644\u0630\u064a \u064a\u0645\u0643\u0646\u0647 \u0645\u0633\u0627\u0639\u062f\u062a\u0643 \u0641\u064a \u062a\u0642\u064a\u064a\u0645 \u062a\u0637\u0628\u064a\u0642\u0643 \u0627\u0644\u0645\u062d\u062f\u062f \u0648\u0627\u0644\u062a\u0648\u0635\u064a\u0629 \u0628\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0623\u0643\u062b\u0631 \u0645\u0644\u0627\u0621\u0645\u0629. \u062a\u0630\u0643\u0631 \u0623\u0646 \u0627\u0644\u0645\u062b\u0628\u062a \u0627\u0644\u0623\u0631\u062e\u0635 \u0646\u0627\u062f\u0631\u064b\u0627 \u0645\u0627 \u064a\u0643\u0648\u0646 \u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0623\u0643\u062b\u0631 \u0627\u0642\u062a\u0635\u0627\u062f\u0627 \u0639\u0644\u0649 \u0627\u0644\u0645\u062f\u0649 \u0627\u0644\u0637\u0648\u064a\u0644.<\/p>\n\n\n\n \u0647\u0644 \u062a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0645\u0633\u0627\u0639\u062f\u0629 \u0641\u064a \u0627\u0644\u0639\u062b\u0648\u0631 \u0639\u0644\u0649 \u0645\u062b\u0628\u062a\u0627\u062a \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0645\u0634\u0631\u0648\u0639\u0643\u061f \u064a\u0645\u0643\u0646 \u0644\u0641\u0631\u064a\u0642 \u0627\u0644\u062e\u0628\u0631\u0627\u0621 \u0644\u062f\u064a\u0646\u0627 \u062a\u0642\u062f\u064a\u0645 \u062a\u0648\u0635\u064a\u0627\u062a \u0645\u062e\u0635\u0635\u0629 \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0645\u062a\u0637\u0644\u0628\u0627\u062a\u0643 \u0627\u0644\u0645\u062d\u062f\u062f\u0629 \u0648\u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0628\u064a\u0626\u064a\u0629.<\/p>\n\n\n\n \u0647\u0644 \u062a\u0631\u064a\u062f \u0645\u0646\u064a \u0623\u0646 \u0623\u0636\u064a\u0641 \u0623 \u0645\u062e\u0637\u0637 \u0627\u0646\u0633\u064a\u0627\u0628\u064a \u0644\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u0633\u0631\u064a\u0639<\/strong> \u0627\u0644\u0630\u064a \u064a\u0644\u062e\u0635 \u0628\u0634\u0643\u0644 \u0645\u0631\u0626\u064a \u0639\u0645\u0644\u064a\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 A2 \u0645\u0642\u0627\u0628\u0644 A4 \u0644\u0645\u062f\u0648\u0646\u062a\u0643\u061f<\/p>","protected":false},"excerpt":{"rendered":" Introduction If you’ve ever purchased stainless steel fasteners, you’ve almost certainly encountered the terms “A2” and “A4”. These are the two most common grades used in industrial fasteners, but they are not interchangeable. Choosing the wrong grade can lead to premature corrosion, structural failure, and unnecessary costs. This guide will explain exactly what A2 and […]<\/p>\n","protected":false},"author":1,"featured_media":3263,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[109],"tags":[],"class_list":["post-3261","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-guides"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/posts\/3261","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/comments?post=3261"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/posts\/3261\/revisions"}],"predecessor-version":[{"id":3262,"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/posts\/3261\/revisions\/3262"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/media\/3263"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/media?parent=3261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/categories?post=3261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/tags?post=3261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\u0627\u0644\u0639\u0646\u0635\u0631<\/th> A2 (304) \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623<\/th> A4 (316) \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623<\/th><\/tr><\/thead> \u0627\u0644\u0643\u0631\u0648\u0645<\/td> 18.0-20.0%<\/td> 16.0-18.5%<\/td><\/tr> \u0627\u0644\u0646\u064a\u0643\u0644<\/td> 8.0-10.5%<\/td> 10.0-14.0%<\/td><\/tr> \u0627\u0644\u0645\u0648\u0644\u064a\u0628\u062f\u064a\u0646\u0648\u0645<\/td> \u2265 0.75%<\/td> 2.0-3.0%<\/td><\/tr> \u0627\u0644\u0643\u0631\u0628\u0648\u0646<\/td> \u2265 0.08%<\/td> \u2265 0.08%<\/td><\/tr> \u0627\u0644\u0645\u0646\u063a\u0646\u064a\u0632<\/td> \u2265 2.0%<\/td> \u2265 2.0%<\/td><\/tr> \u0627\u0644\u0633\u064a\u0644\u064a\u0643\u0648\u0646<\/td> \u2265 1.0%<\/td> \u2265 1.0%<\/td><\/tr> \u0627\u0644\u0641\u0648\u0633\u0641\u0648\u0631<\/td> \u2265 0.045%<\/td> \u2265 0.045%<\/td><\/tr> \u0627\u0644\u0643\u0628\u0631\u064a\u062a<\/td> \u2265 0.03%<\/td> \u2265 0.03%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n A2 vs A4: \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h3>\n\n\n\n
\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644<\/h4>\n\n\n\n
\n
\u0627\u0644\u062e\u0648\u0627\u0635 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629<\/h4>\n\n\n\n
\n
\u0627\u0644\u062a\u0643\u0644\u0641\u0629<\/h4>\n\n\n\n
\u0627\u0644\u062a\u0648\u0641\u0631<\/h4>\n\n\n\n
\u0645\u062b\u0628\u062a\u0627\u062a A2 \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623: \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0648\u0627\u0644\u0642\u064a\u0648\u062f \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629<\/h3>\n\n\n\n
\u0623\u0641\u0636\u0644 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0644\u0645\u062b\u0628\u062a\u0627\u062a A2<\/h4>\n\n\n\n
\n
\u062d\u064a\u062b \u0644\u0627 \u064a\u0646\u0628\u063a\u064a \u0627\u0633\u062a\u062e\u062f\u0627\u0645 A2<\/h4>\n\n\n\n
\n
\u0645\u062b\u0628\u062a\u0627\u062a A4 \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623: \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0648\u0627\u0644\u0642\u064a\u0648\u062f \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629<\/h3>\n\n\n\n
\u0623\u0641\u0636\u0644 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0644\u0645\u062b\u0628\u062a\u0627\u062a A4<\/h4>\n\n\n\n
\n
\u062d\u064a\u062b \u0644\u0627 \u064a\u0646\u0628\u063a\u064a \u0627\u0633\u062a\u062e\u062f\u0627\u0645 A4<\/h4>\n\n\n\n
\n
\u0643\u064a\u0641\u064a\u0629 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0628\u064a\u0646 A2 \u0648A4: 7 \u0639\u0648\u0627\u0645\u0644 \u0627\u062a\u062e\u0627\u0630 \u0627\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u062d\u0627\u0633\u0645\u0629<\/h3>\n\n\n\n
1. \u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u0628\u064a\u0626\u0629 \u0627\u0644\u0645\u0633\u0628\u0628\u0629 \u0644\u0644\u062a\u0622\u0643\u0644<\/h4>\n\n\n\n
\n
2. \u0636\u0639 \u0641\u064a \u0627\u0639\u062a\u0628\u0627\u0631\u0643 \u0639\u0645\u0631 \u0627\u0644\u0645\u0634\u0631\u0648\u0639<\/h4>\n\n\n\n
3. \u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629<\/h4>\n\n\n\n
4. \u062d\u0633\u0627\u0628 \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a\u0629 \u0644\u0644\u0645\u0644\u0643\u064a\u0629<\/h4>\n\n\n\n
\n
5. \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u0646\u0638\u064a\u0645\u064a\u0629 \u0648\u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629<\/h4>\n\n\n\n
\n
6. \u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u062a\u0648\u0641\u0631 \u0648\u0627\u0644\u0645\u0647\u0644 \u0627\u0644\u0632\u0645\u0646\u064a\u0629<\/h4>\n\n\n\n
7. \u0627\u0644\u0646\u0638\u0631 \u0641\u064a \u0627\u0644\u062a\u0648\u0627\u0641\u0642 \u0643\u0644\u0641\u0627\u0646\u064a<\/h4>\n\n\n\n
3 \u0623\u062e\u0637\u0627\u0621 \u0634\u0627\u0626\u0639\u0629 \u0639\u0646\u062f \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u062b\u0628\u062a\u0627\u062a \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623<\/h3>\n\n\n\n
1. \u0628\u0627\u0641\u062a\u0631\u0627\u0636 \u0623\u0646 “ \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623 \u064a\u0639\u0646\u064a \u0623\u0646\u0647 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623”<\/h4>\n\n\n\n
2. \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0623\u0631\u062e\u0635 \u062f\u0627\u0626\u0645\u064b\u0627<\/h4>\n\n\n\n
3. \u0627\u0644\u0625\u0641\u0631\u0627\u0637 \u0641\u064a \u062a\u062d\u062f\u064a\u062f A4 \u0644\u0643\u0644 \u062a\u0637\u0628\u064a\u0642<\/h4>\n\n\n\n
\u0627\u0644\u0648\u062c\u0628\u0627\u062a \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n
\n
\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n\n\n\n
\u0633: \u0647\u0644 \u064a\u0645\u0643\u0646\u0646\u064a \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u062b\u0628\u062a\u0627\u062a A2 \u0628\u0627\u0644\u0642\u0631\u0628 \u0645\u0646 \u0627\u0644\u0645\u062d\u064a\u0637\u061f<\/h3>\n\n\n\n
\u0633: \u0647\u0644 \u0623\u062f\u0648\u0627\u062a \u0627\u0644\u062a\u062b\u0628\u064a\u062a A4 \u0623\u0642\u0648\u0649 \u0645\u0646 \u0623\u062f\u0648\u0627\u062a \u0627\u0644\u062a\u062b\u0628\u064a\u062a A2\u061f<\/h3>\n\n\n\n
\u0633: \u0647\u0644 \u064a\u0645\u0643\u0646\u0646\u064a \u0645\u0632\u062c \u0645\u062b\u0628\u062a\u0627\u062a A2 \u0648A4 \u0641\u064a \u0646\u0641\u0633 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u061f<\/h3>\n\n\n\n
\u0633: \u0643\u064a\u0641 \u064a\u0645\u0643\u0646\u0646\u064a \u0645\u0639\u0631\u0641\u0629 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0623\u062f\u0648\u0627\u062a \u0627\u0644\u062a\u062b\u0628\u064a\u062a A2 \u0648A4\u061f<\/h3>\n\n\n\n
\u0633: \u0647\u0644 \u0647\u0646\u0627\u0643 \u062f\u0631\u062c\u0629 \u0623\u0641\u0636\u0644 \u0645\u0646 A4 \u0644\u0644\u062a\u0622\u0643\u0644 \u0627\u0644\u0634\u062f\u064a\u062f\u061f<\/h3>\n\n\n\n
\u0627\u0644\u0627\u0633\u062a\u0646\u062a\u0627\u062c<\/h2>\n\n\n\n