China factory Chrome Plated Honed Tube Hollow Piston Rod for Cylinder vacuum pump for ac

Product Description

Product name: hydraulic  tube, 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, hollow piston rod, hollow chrome rod, piston rod

Material/Grade: ST52,E355,Q345B,4140,42CrMo4,CK45,A106, STKM13C, C20, 1571, 1026

popular size  : 40*50,50*60,60*70,70*80,80*90,90*100,100*110,110*120

Length range: 1 to 12 meter

External diameter tolerance: f7,f8

External surface roughness: Ra0.2-0.4um

Hard chrome plated thickness: usually 20 microns (depends on customer requirement)

Internal surface: cold drawn or honed

Delivery condition: stress relieved

 

 

Temperature Classification:	Medium Temperature Piping
MPa Classfication:	Medium Pressure Piping
Материал:	Carbon Steel
Standard:	ASTM, GB, API, DIN, JIS
Cross-Section Shape:	Round
Connection Type:	Seamless