AISI Round ISO9001 Cold Rolled Seamless Steel Pipe(id ck45 ck20 widely used iso9001 cold
Widely used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Material is various, mainly STKM11A STKM13A STKM-13C,ST52, CK45, E355, AISI1020, SAE4130, 4140, 42CrMo, and so on. We can also offer as customized seamless carbon steel tube. 2.cold drawn steel pipe/cold rolled steel tube, cold drawn pipe, cold ck45 ck20 widely used iso9001 cold
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