En 31, SAE 52100, 100Cr6, 15Gcr Seamless Pipes Dealer India
UNI 100 Cr 6 (Ital.), B.S. 534 A 99, B.S. 535 A 99, ASTM A 295, ASTM A295, ASTM A519, ASTM A535, ASTM A646, ASTM A711, MIL SPEC MIL-S-980, MIL SPEC MIL-S-7420, MIL SPEC MIL-S-22141, SAE J404, SAE J412, SAE J770, DIN 1.3505 ......
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