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St52 Honed Pipe Srb Tube Hydraulic Cylinder Honed Tube Manufacturer
2024-05-22
Material: C20 ST52(E355) SAE1026 CK45 4140 STKM13C
Size: I.D 30-400mm O.D 40-480mm
ID tolerance: H8 H9
Delivery Condition: BK BK+S
Production Process: Honed/SRB