Cold Drawn Honed Seamless Pipe Cylinder Tubes Suppliers From China The honed cylinder pipe adopts seamless cold-drawn steel pipe, which can be produced according to DIN 2391, EN 10216-2, ASTM A513-5, a519, GB/T 3639 and other international standards according to customer requirements.Description:Material :ST52, E355, STKM13C, C20, CK45, 4140, 42CrMo, stainless stee
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