{"id":2752,"date":"2026-03-05T05:00:25","date_gmt":"2026-03-05T04:00:25","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=2752"},"modified":"2026-03-05T05:00:31","modified_gmt":"2026-03-05T04:00:31","slug":"monel-alloy-chemical-composition","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ar\/monel-alloy-chemical-composition\/","title":{"rendered":"\u0645\u0627 \u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0644\u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0645\u0648\u0646\u064a\u0644"},"content":{"rendered":"

\u0641\u064a \u0627\u0644\u0645\u062c\u0627\u0644 \u0627\u0644\u0635\u0627\u0631\u0645 \u0644\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0645\u0648\u0627\u062f\u060c \u0641\u0625\u0646 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0633\u0628\u064a\u0643\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0644\u0628\u064a\u0626\u0627\u062a \u0634\u062f\u064a\u062f\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 - \u0645\u062b\u0644 \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0623\u0644\u0643\u0644\u0629 \u0648\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0631\u0630\u0627\u0630 \u0627\u0644\u0628\u062d\u0631\u064a \u0648\u0645\u0631\u0627\u0641\u0642 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 - \u0644\u0627 \u064a\u062a\u0631\u0643 \u0645\u062c\u0627\u0644\u064b\u0627 \u0644\u0644\u062a\u062e\u0645\u064a\u0646. \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u0639\u0627\u0646\u064a \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 \u0627\u0644\u0642\u064a\u0627\u0633\u064a \u0645\u0646 \u0627\u0644\u062a\u062f\u0647\u0648\u0631 \u0627\u0644\u0633\u0631\u064a\u0639 \u0639\u0646\u062f \u062a\u0639\u0631\u0636\u0647 \u0644\u0644\u0623\u062d\u0645\u0627\u0636 \u0627\u0644\u0645\u062e\u062a\u0632\u0644\u0629. \u0648\u0644\u0641\u0647\u0645 \u0633\u0628\u0628 \u062a\u0641\u0648\u0642 \u0628\u0639\u0636 \u0645\u0635\u0641\u0648\u0641\u0627\u062a \u0627\u0644\u0646\u064a\u0643\u0644 \u0648\u0627\u0644\u0646\u062d\u0627\u0633 \u0641\u064a \u062d\u064a\u0646 \u062a\u062a\u062f\u0647\u0648\u0631 \u0645\u0635\u0641\u0648\u0641\u0627\u062a \u0623\u062e\u0631\u0649 \u0628\u0634\u0643\u0644 \u0643\u0627\u0631\u062b\u064a\u060c \u064a\u062c\u0628 \u0623\u0646 \u0646\u0641\u062d\u0635 \u0628\u0634\u0643\u0644 \u0623\u0633\u0627\u0633\u064a \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0644\u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0645\u0648\u0646\u064a\u0644<\/b>.<\/p>\n

In my two decades of evaluating metallurgical failures and specifying alloys for severe service conditions, I have consistently found that the secret to this material’s longevity lies not just in its primary elements, but in the precise thermodynamic balance of its micro-alloying additions. The monel alloy chemical composition is engineered to form a single-phase solid solution, granting it exceptional structural stability from sub-zero temperatures up to 480\u00b0C (900\u00b0F).<\/p>\n

\"\u0645\u0627<\/p>\n

\u0641\u0643 \u0634\u0641\u0631\u0629 \u062e\u0637 \u0627\u0644\u0623\u0633\u0627\u0633 \u0644\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0644\u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0645\u0648\u0646\u064a\u0644<\/h3>\n

\u0639\u0646\u062f\u0645\u0627 \u0646\u062d\u0644\u0644 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0644\u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0645\u0648\u0646\u064a\u0644 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629\u060c \u0645\u0639 \u0627\u0644\u062a\u0631\u0643\u064a\u0632 \u0628\u0634\u0643\u0644 \u062e\u0627\u0635 \u0639\u0644\u0649 \u0633\u0628\u064a\u0643\u0629 400 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 (UNS N04400)\u060c \u0641\u0625\u0646\u0646\u0627 \u0646\u0646\u0638\u0631 \u0625\u0644\u0649 \u0646\u0638\u0627\u0645 \u062b\u0646\u0627\u0626\u064a \u064a\u0647\u064a\u0645\u0646 \u0639\u0644\u064a\u0647 \u0627\u0644\u0646\u064a\u0643\u0644 (\u0639\u0627\u062f\u0629\u064b 63% \u0643\u062d\u062f \u0623\u062f\u0646\u0649) \u0648\u0627\u0644\u0646\u062d\u0627\u0633 (28% \u0625\u0644\u0649 34%). \u0647\u0630\u0647 \u0627\u0644\u0646\u0633\u0628\u0629 \u0627\u0644\u0645\u062d\u062f\u062f\u0629 \u0644\u064a\u0633\u062a \u0627\u0639\u062a\u0628\u0627\u0637\u064a\u0629\u061b \u0641\u0647\u064a \u062a\u0639\u0643\u0633 \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u0629 \u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u062e\u0627\u0645\u0627\u062a \u0627\u0644\u0646\u064a\u0643\u0644 \u0648\u0627\u0644\u0646\u062d\u0627\u0633 \u0627\u0644\u0646\u064a\u0632\u0643\u064a\u0629 \u0645\u0646 \u062d\u0648\u0636 \u0633\u0648\u062f\u0628\u0648\u0631\u064a.<\/p>\n

Nickel provides the noble matrix that inherently resists chloride-ion stress corrosion cracking (SCC)\u2014a notorious failure mode for 300-series stainless steels in marine and petrochemical applications. Copper is the critical addition that enhances the alloy’s resistance to reducing environments, most notably hydrofluoric acid (HF) and sulfuric acid under non-aerated conditions. In hydrofluoric acid service, the exact monel alloy chemical composition allows the material to form a highly tenacious, protective cupric fluoride film on the surface. If the copper content drops below the specified threshold, or if oxidizing agents are introduced into the process stream, this protective film destabilizes, leading to accelerated localized attack.<\/p>\n

\u0639\u0644\u0627\u0648\u0629 \u0639\u0644\u0649 \u0630\u0644\u0643\u060c \u062a\u062d\u062f\u062f \u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0646\u0632\u0631\u0629 \u0641\u064a \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0644\u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0645\u0648\u0646\u064a\u0644 \u0642\u0627\u0628\u0644\u064a\u062a\u0647\u0627 \u0644\u0644\u062a\u0635\u0646\u064a\u0639. \u0648\u064a\u062a\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0628\u062f\u0642\u0629 \u0641\u064a \u0627\u0644\u062d\u062f\u064a\u062f (\u062d\u062a\u0649 2.51 \u062a\u064a\u0631\u0627\u0628\u0627\u064a\u062a 3 \u062a\u064a\u0631\u0627\u0628\u0627\u064a\u062a 3 \u062a\u064a\u0631\u0627\u0628\u0627\u064a\u062a) \u0648\u0627\u0644\u0645\u0646\u062c\u0646\u064a\u0632 (\u062d\u062a\u0649 2.01 \u062a\u064a\u0631\u0627\u0628\u0627\u064a\u062a 3 \u062a\u064a\u0631\u0627\u0628\u0627\u064a\u062a). \u064a\u0639\u0645\u0644 \u0627\u0644\u0645\u0646\u062c\u0646\u064a\u0632 \u0643\u0639\u0627\u0645\u0644 \u062d\u064a\u0648\u064a \u0644\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0623\u0643\u0633\u062f\u0629 \u0648\u0643\u0627\u0633\u062d \u0644\u0644\u0643\u0628\u0631\u064a\u062a \u0623\u062b\u0646\u0627\u0621 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0635\u0647\u0631\u060c \u0645\u0645\u0627 \u064a\u0645\u0646\u0639 \u062a\u0622\u0643\u0644 \u0627\u0644\u0645\u0627\u062f\u0629 \u0639\u0644\u0649 \u0627\u0644\u0633\u0627\u062e\u0646 \u0648\u064a\u0636\u0645\u0646 \u0625\u0645\u0643\u0627\u0646\u064a\u0629 \u062a\u0634\u0643\u064a\u0644 \u0627\u0644\u0645\u0627\u062f\u0629 \u0648\u0644\u0641\u0647\u0627 \u0628\u0646\u062c\u0627\u062d \u062f\u0648\u0646 \u062a\u0645\u0632\u0642 \u062f\u0627\u062e\u0644\u064a.<\/p>\n

\u0645\u0642\u0627\u0631\u0646\u0629 \u062f\u0631\u062c\u0629 \u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0645\u0648\u0646\u064a\u0644 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629<\/h3>\n

\u0648\u0644\u0641\u0647\u0645 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0645\u0639\u062f\u0646\u064a \u0628\u0634\u0643\u0644 \u0623\u0641\u0636\u0644\u060c \u064a\u062c\u0628 \u0623\u0646 \u0646\u0642\u0627\u0631\u0646 \u062d\u062f\u0648\u062f \u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u0639\u0628\u0631 \u0627\u0644\u0631\u062a\u0628 \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
\u0627\u0644\u0639\u0646\u0635\u0631<\/strong><\/td>\n\u0633\u0628\u064a\u0643\u0629 400 (UNS N04400)<\/strong><\/td>\n\u0633\u0628\u064a\u0643\u0629 K-500 (UNS N05500)<\/strong><\/td>\n\u0633\u0628\u064a\u0643\u0629 R-405 (UNS N04405)<\/strong><\/td>\n<\/tr>\n<\/thead>\n
\u0627\u0644\u0646\u064a\u0643\u0644 (\u0646\u064a)<\/b><\/span><\/td>\n63.0% \u062f\u0642\u064a\u0642\u0629<\/span><\/td>\n63.0% \u062f\u0642\u064a\u0642\u0629<\/span><\/td>\n63.0% \u062f\u0642\u064a\u0642\u0629<\/span><\/td>\n<\/tr>\n
\u0627\u0644\u0646\u062d\u0627\u0633 (\u0627\u0644\u0646\u062d\u0627\u0633)<\/b><\/span><\/td>\n28.0 – 34.0%<\/span><\/td>\n27.0 – 33.0%<\/span><\/td>\n28.0 – 34.0%<\/span><\/td>\n<\/tr>\n
\u0627\u0644\u062d\u062f\u064a\u062f (Fe)<\/b><\/span><\/td>\n2.5% \u0643\u062d\u062f \u0623\u0642\u0635\u0649<\/span><\/td>\n2.0% \u0643\u062d\u062f \u0623\u0642\u0635\u0649<\/span><\/td>\n2.5% \u0643\u062d\u062f \u0623\u0642\u0635\u0649<\/span><\/td>\n<\/tr>\n
\u0627\u0644\u0645\u0646\u062c\u0646\u064a\u0632 (Mn)<\/b><\/span><\/td>\n2.0% \u0643\u062d\u062f \u0623\u0642\u0635\u0649<\/span><\/td>\n1.5% \u0643\u062d\u062f \u0623\u0642\u0635\u0649<\/span><\/td>\n2.0% \u0643\u062d\u062f \u0623\u0642\u0635\u0649<\/span><\/td>\n<\/tr>\n
\u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645 (Al)<\/b><\/span><\/td>\n–<\/span><\/td>\n2.3 – 3.15%<\/span><\/td>\n–<\/span><\/td>\n<\/tr>\n
\u0627\u0644\u062a\u064a\u062a\u0627\u0646\u064a\u0648\u0645 (Ti)<\/b><\/span><\/td>\n–<\/span><\/td>\n0.35 – 0.85%<\/span><\/td>\n–<\/span><\/td>\n<\/tr>\n
\u0627\u0644\u0643\u0628\u0631\u064a\u062a (S)<\/b><\/span><\/td>\n0.024% \u0643\u062d\u062f \u0623\u0642\u0635\u0649<\/span><\/td>\n0.010% \u0643\u062d\u062f \u0623\u0642\u0635\u0649<\/span><\/td>\n0.025 – 0.060%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u0627\u0644\u062a\u0628\u0627\u064a\u0646\u0627\u062a \u0641\u064a \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0644\u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0645\u0648\u0646\u064a\u0644<\/h3>\n

\u0628\u064a\u0646\u0645\u0627 \u062a\u064f\u0639\u062f \u0627\u0644\u0633\u0628\u064a\u0643\u0629 400 \u0628\u0645\u062b\u0627\u0628\u0629 \u0627\u0644\u0639\u0645\u0648\u062f \u0627\u0644\u0641\u0642\u0631\u064a \u0644\u0644\u0639\u0645\u0644\u060c \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u0642\u0648\u0629 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0623\u0639\u0644\u0649 \u062f\u0648\u0646 \u0627\u0644\u062a\u0636\u062d\u064a\u0629 \u0628\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644. \u0648\u0647\u0646\u0627 \u064a\u0623\u062a\u064a \u062f\u0648\u0631 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0635\u0644\u0628 \u0628\u0627\u0644\u062a\u0631\u0633\u064a\u0628. \u0645\u0646 \u062e\u0644\u0627\u0644 \u062a\u0639\u062f\u064a\u0644 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0644\u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0645\u0648\u0646\u064a\u0644 \u0644\u062a\u0634\u0645\u0644 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645 \u0648\u0627\u0644\u062a\u064a\u062a\u0627\u0646\u064a\u0648\u0645\u060c \u0627\u0628\u062a\u0643\u0631 \u0639\u0644\u0645\u0627\u0621 \u0627\u0644\u0645\u0639\u0627\u062f\u0646 \u0633\u0628\u064a\u0643\u0629 K-500.<\/p>\n

\u0648\u0623\u062b\u0646\u0627\u0621 \u0645\u0639\u0627\u0644\u062c\u0627\u062a \u0627\u0644\u062a\u0642\u0627\u062f\u0645 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0627\u0644\u0645\u062a\u062d\u0643\u0645 \u0628\u0647\u0627\u060c \u062a\u062a\u0631\u0633\u0628 \u0647\u0630\u0647 \u0627\u0644\u0625\u0636\u0627\u0641\u0627\u062a \u0627\u0644\u0639\u0646\u0635\u0631\u064a\u0629 \u0627\u0644\u0645\u062d\u062f\u062f\u0629 \u0645\u0646 \u0627\u0644\u0645\u062d\u0644\u0648\u0644 \u0627\u0644\u0635\u0644\u0628 \u0643\u062c\u0633\u064a\u0645\u0627\u062a \u0634\u0628\u0647 \u0645\u062c\u0647\u0631\u064a\u0629 \u0645\u0646 Ni3 (Ti\u060c Al)\u060c \u0648\u0627\u0644\u0645\u0639\u0631\u0648\u0641\u0629 \u0628\u0627\u0633\u0645 \u0645\u0631\u062d\u0644\u0629 \u062c\u0627\u0645\u0627 \u0627\u0644\u0623\u0648\u0644\u064a\u0629. \u062a\u062d\u0628\u0633 \u0647\u0630\u0647 \u0627\u0644\u0645\u0631\u062d\u0644\u0629 \u062d\u0631\u0643\u0629 \u0627\u0644\u062e\u0644\u0639 \u062f\u0627\u062e\u0644 \u0627\u0644\u0634\u0628\u0643\u0629 \u0627\u0644\u0628\u0644\u0648\u0631\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0645\u0636\u0627\u0639\u0641\u0629 \u0642\u0648\u0629 \u0627\u0644\u062e\u0636\u0648\u0639 \u062b\u0644\u0627\u062b \u0645\u0631\u0627\u062a \u0648\u0645\u0636\u0627\u0639\u0641\u0629 \u0642\u0648\u0629 \u0627\u0644\u0634\u062f \u0645\u0642\u0627\u0631\u0646\u0629\u064b \u0628\u0627\u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0627\u0644\u0645\u0644\u062f\u0646\u0629. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0639\u0644\u0649 \u062f\u0631\u0627\u064a\u0629 \u062a\u0627\u0645\u0629 \u0628\u0623\u0646 \u0647\u0630\u0627 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0627\u0644\u0645\u0639\u062f\u0644 \u0644\u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0645\u0648\u0646\u064a\u0644 \u0627\u0644\u0645\u0639\u062f\u0644\u0629 \u064a\u062a\u0637\u0644\u0628 \u0627\u0644\u0627\u0644\u062a\u0632\u0627\u0645 \u0627\u0644\u0635\u0627\u0631\u0645 \u0628\u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644\u0627\u062a \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629\u061b \u062d\u064a\u062b \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0624\u062f\u064a \u0627\u0644\u062a\u0642\u0627\u062f\u0645 \u063a\u064a\u0631 \u0627\u0644\u0633\u0644\u064a\u0645 \u0625\u0644\u0649 \u0638\u0627\u0647\u0631\u0629 \u062a\u064f\u0639\u0631\u0641 \u0628\u0627\u0633\u0645 \u0627\u0644\u062a\u0642\u0635\u0641 \u0627\u0644\u0645\u062a\u0635\u0644\u0628 \u0645\u0639 \u062a\u0642\u062f\u0645 \u0627\u0644\u0639\u0645\u0631\u060c \u062e\u0627\u0635\u0629\u064b \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u063a\u0646\u064a\u0629 \u0628\u0627\u0644\u0647\u064a\u062f\u0631\u0648\u062c\u064a\u0646.<\/p>\n

\u0648\u0645\u0646 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a \u0627\u0644\u0645\u0647\u0645\u0629 \u0627\u0644\u0623\u062e\u0631\u0649 \u0633\u0628\u064a\u0643\u0629 R-405. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628 \u062a\u0635\u0646\u064a\u0639\u064b\u0627 \u0622\u0644\u064a\u064b\u0627 \u0633\u0631\u064a\u0639\u064b\u0627 \u0648\u0643\u0628\u064a\u0631 \u0627\u0644\u062d\u062c\u0645 - \u0645\u062b\u0644 \u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0633\u062d\u0627\u0628\u0627\u062a \u0648\u0633\u064a\u0642\u0627\u0646 \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0648\u0645\u0646\u062a\u062c\u0627\u062a \u0627\u0644\u0645\u0627\u0643\u064a\u0646\u0627\u062a \u0627\u0644\u0644\u0648\u0644\u0628\u064a\u0629 \u0627\u0644\u062f\u0642\u064a\u0642\u0629 - \u064a\u062a\u0645 \u0625\u062c\u0631\u0627\u0621 \u062a\u0639\u062f\u064a\u0644 \u0637\u0641\u064a\u0641 \u0648\u0644\u0643\u0646\u0647 \u062d\u064a\u0648\u064a \u0639\u0644\u0649 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0644\u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0645\u0648\u0646\u064a\u0644. \u0645\u0646 \u062e\u0644\u0627\u0644 \u0632\u064a\u0627\u062f\u0629 \u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0643\u0628\u0631\u064a\u062a \u0639\u0646 \u0642\u0635\u062f (\u062d\u062a\u0649 0.060%)\u060c \u062a\u062a\u0634\u0643\u0644 \u0643\u0628\u0631\u064a\u062a\u064a\u062f\u0627\u062a \u0627\u0644\u0646\u064a\u0643\u0644 \u062f\u0627\u062e\u0644 \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0629. \u062a\u0639\u0645\u0644 \u0647\u0630\u0647 \u0627\u0644\u0643\u0628\u0631\u064a\u062a\u064a\u062f\u0627\u062a \u0643\u0642\u0648\u0627\u0637\u0639 \u0645\u062c\u0647\u0631\u064a\u0629 \u0644\u0644\u0628\u064f\u0631\u0627\u062f\u0629 \u0623\u062b\u0646\u0627\u0621 \u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0622\u0644\u064a\u060c \u0645\u0645\u0627 \u064a\u0642\u0644\u0644 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631 \u0645\u0646 \u062a\u0622\u0643\u0644 \u0627\u0644\u0623\u062f\u0627\u0629 \u0648\u064a\u062d\u0633\u0646 \u0645\u0646 \u062a\u0634\u0637\u064a\u0628 \u0627\u0644\u0633\u0637\u062d.<\/p>\n

\"\u0645\u0627<\/p>\n

\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u062d\u0644 \u0627\u0644\u0645\u0646\u0627\u0633\u0628<\/h3>\n

\u0648\u0641\u064a \u0646\u0647\u0627\u064a\u0629 \u0627\u0644\u0645\u0637\u0627\u0641\u060c \u0641\u0625\u0646 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0648\u0627\u062f \u0644\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u062d\u0631\u062c\u0629 \u0647\u0648 \u0641\u064a \u0646\u0647\u0627\u064a\u0629 \u0627\u0644\u0645\u0637\u0627\u0641 \u062a\u0645\u0631\u064a\u0646 \u0641\u064a \u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0642\u064a\u0648\u062f \u0627\u0644\u0645\u0639\u062f\u0646\u064a\u0629. \u0641\u0627\u0644\u0641\u0647\u0645 \u0627\u0644\u0633\u0637\u062d\u064a \u0644\u0647\u0630\u0647 \u0627\u0644\u0633\u0628\u0627\u0626\u0643 \u0633\u064a\u0624\u062f\u064a \u062d\u062a\u0645\u064b\u0627 \u0625\u0644\u0649 \u062a\u0639\u0637\u0644 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0642\u0628\u0644 \u0627\u0644\u0623\u0648\u0627\u0646\u060c \u0648\u062a\u0644\u0648\u062b \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a\u060c \u0648\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0643\u0627\u0631\u062b\u064a\u0629. \u064a\u064f\u0639\u062f \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0644\u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0645\u0648\u0646\u064a\u0644 \u0646\u0638\u0627\u0645\u064b\u0627 \u0645\u0639\u062f\u0646\u064a\u064b\u0627 \u0645\u0636\u0628\u0648\u0637\u064b\u0627 \u0628\u062f\u0642\u0629\u060c \u062d\u064a\u062b \u062a\u062e\u062f\u0645 \u0643\u0644 \u0646\u0642\u0637\u0629 \u0645\u0626\u0648\u064a\u0629 \u0645\u0646 \u0639\u0646\u0635\u0631 \u0627\u0644\u0633\u0628\u064a\u0643\u0629 \u063a\u0631\u0636\u064b\u0627 \u0647\u064a\u0643\u0644\u064a\u064b\u0627 \u0623\u0648 \u0648\u0642\u0627\u0626\u064a\u064b\u0627 \u0645\u062a\u0645\u064a\u0632\u064b\u0627.<\/p>\n

\u0633\u0648\u0627\u0621\u064b \u0643\u0627\u0646 \u0645\u0634\u0631\u0648\u0639\u0643 \u064a\u0646\u0637\u0648\u064a \u0639\u0644\u0649 \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0628\u062d\u0631\u064a\u0629 \u0623\u0648 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u0623\u0648 \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u0627\u0644\u0646\u0641\u0637 \u0648\u0627\u0644\u063a\u0627\u0632\u060c \u0641\u0625\u0646 \u0636\u0645\u0627\u0646 \u0627\u0644\u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u062f\u0642\u064a\u0642 \u0644\u0644\u0639\u0646\u0627\u0635\u0631 \u0623\u0645\u0631 \u063a\u064a\u0631 \u0642\u0627\u0628\u0644 \u0644\u0644\u062a\u0641\u0627\u0648\u0636. \u0625\u0630\u0627 \u0643\u0646\u062a \u062a\u0642\u0648\u0645 \u062d\u0627\u0644\u064a\u064b\u0627 \u0628\u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0644\u0627\u0632\u0645\u0629 \u0644\u0628\u064a\u0626\u0629 \u0639\u0645\u0644\u064a\u0629 \u0642\u0627\u0633\u064a\u0629\u060c \u0641\u0625\u0646 \u0641\u0631\u064a\u0642\u0646\u0627 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0641\u064a 28Nickel \u0645\u062a\u0627\u062d \u0644\u062a\u0642\u062f\u064a\u0645 \u0627\u0644\u062f\u0639\u0645 \u0627\u0644\u0641\u0646\u064a \u0627\u0644\u0645\u062a\u0639\u0645\u0642\u060c \u0648\u0645\u0631\u0627\u062c\u0639\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u0622\u0643\u0644 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0643\u060c \u0648\u0645\u0633\u0627\u0639\u062f\u062a\u0643 \u0641\u064a \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u0639\u062f\u0646\u064a\u0629 \u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u0644\u0646\u062c\u0627\u062d \u0639\u0645\u0644\u064a\u0627\u062a\u0643 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u064a\u0629.<\/p>\n

\n

\u0623\u0633\u0626\u0644\u0629 \u0648\u0623\u062c\u0648\u0628\u0629 \u0630\u0627\u062a \u0635\u0644\u0629<\/h3>\n

\u06331: \u0643\u064a\u0641 \u062a\u0624\u062b\u0631 \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u062d\u062f \u0627\u0644\u062d\u062f\u064a\u062f \u0639\u0644\u0649 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0644\u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0645\u0648\u0646\u064a\u0644\u061f<\/b><\/p>\n

Iron is kept strictly below 2.5% in standard grades. While it provides some solid solution strengthening, excessive iron in the monel alloy chemical composition can decrease the material’s resistance to highly reducing acids like hydrofluoric acid and increase the risk of localized corrosion pitting in stagnant seawater.<\/p>\n

\u06332: \u0647\u0644 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0644\u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0645\u0648\u0646\u064a\u0644 \u0645\u0642\u0627\u0648\u0645 \u0628\u0637\u0628\u064a\u0639\u062a\u0647 \u0644\u0644\u063a\u0627\u0632 \u0627\u0644\u062d\u0627\u0645\u0636 (H2S)\u061f<\/b><\/p>\n

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In the rigorous field of materials engineering, selecting the right alloy for highly corrosive environments\u2014such as alkylation units, marine splash zones, and chemical processing facilities\u2014leaves no room for guesswork. Standard austenitic stainless steels often suffer rapid degradation when exposed to reducing acids. To understand why certain nickel-copper matrices excel where others deteriorate catastrophically, we must […]<\/p>\n","protected":false},"author":1,"featured_media":2754,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2752","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/ar\/wp-json\/wp\/v2\/posts\/2752","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nickelcasting.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nickelcasting.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ar\/wp-json\/wp\/v2\/comments?post=2752"}],"version-history":[{"count":2,"href":"https:\/\/www.nickelcasting.com\/ar\/wp-json\/wp\/v2\/posts\/2752\/revisions"}],"predecessor-version":[{"id":2756,"href":"https:\/\/www.nickelcasting.com\/ar\/wp-json\/wp\/v2\/posts\/2752\/revisions\/2756"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ar\/wp-json\/wp\/v2\/media\/2754"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/ar\/wp-json\/wp\/v2\/media?parent=2752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ar\/wp-json\/wp\/v2\/categories?post=2752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ar\/wp-json\/wp\/v2\/tags?post=2752"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}