431
365
371
- Manufacture Hot Rolled Forged, Cold Rolled Drawn Steel Solid Hollow Bar, Pipe, DIN,ASTM, C45,42CrMo4, 34CrNiMo6, 18crnimo7-6, 30crnimo8, 4130, 4140, 4340, 4145
461
438
246
274
357
312
479
388
317
499
408
284
333
365
315
390
364
360
386
474
451
279
371
295
392
338
467
365
491
305
271
304