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Steel Rod & Bar

Alloy Condition Form ASTM AMS QQ
4130 D-4，Q+T R&B ASTM A370 AMS 6370,AMS 6348
4140 A,C-4 R&B ASTM A108 AMS 6382，AMS6349
347 A R&B ASTM A276 AMS 5646 QQ-S-763
4330 N&T A,N+T R&B ASTM A370 AMS 6414,AMS6415
300M R&B ASTM A370 AMS 6417, AMS 6257
PH13-8-MO S+A,H1000 R&B ASTM A370 AMS 5629
15-5 PH A&H R&B ASTM A564 AMS 5659
17-4PH A&H R&B ASTM A564 AMS 5643
17-7PH A&H R&B ASTM A564 AMS 5644
303 A R&B ASTM A582 AMS 5640 QQ-S-764
304&304L A R&B ASTM A276 AMS 5639， AMS 5647 QQ-S-763
316/316L A R&B ASTM A276 AMS 5648 QQ-S-763
321 A R&B ASTM A370 AMS 5645 QQ-S-763
440C R&B ASTM A370 AMS 5630 QQ-S-763

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