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Audited Supplier Product name: chrome tube, chrome plated tube, hollow rod, chrome plated rod, chrome plated honed tube,chrome hollow tube, piston rod, telescopic cylinder tube, hollow chrome plated tube
Material/Grade: ST52,E355,Q345B,4140,42CrMo4,CK45,A106, STKM13C, C20, 1020, 1026
Diameter size range : 30-400mm
Length range: 1 to 12 meter
Internal diameter tolerance:H8
Internal surface roughness: Ra0.2-0.4um
Hard chrome plated thickness: usually 20 microns (depends on customer requirement)
Internal surface: honed, H8 tolerance
Delivery condition: stress relieved
Suppliers with verified business licenses
Audited Supplier 
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