Tsev »Neeg malayalamSoothoAzerbaijaniSoothoASTM A335 P5, P5, P11, P12, P22, P91, P138

ASTM A335 P5, P5, P11, P12, P22, P91, P138

ASTM A182 F5 F9 F11 FOLSOY Flange Rings Disc Disk Ncej Tes Tsho Welded lossis Screwed

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Cov pa roj carbon cov ntsiab lus ntawm 4140 alloy steel yeeb nkab yog 0.38-0.43%, cov ntsiab lus phosphorus yog 0.8-1.10%, thiab cov ntsiab lus molybdenum yog 0.8-1.10%. yog 0.15-0.25% qhov siab tshaj plaws hauv nws cov lus. Cov khoom siv tuaj yeem yog cov cua sov kho rau anneal thiab normalize hauv huab cua, lossis quench thiab temper hauv polymer lossis roj.

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    Kovar alloy 4J25