Specifications

Honed Hydraulic Seamless steel tubeFeatures:
Usage: used in hydraulic

DIN ST52 seamless steel hydraulic honed tubes

1. MATERIAL SPECIFICATION AND REF. DOCUMENT 

ST52,BK+S,DIN2391 OR Equivalent

2. CHEMICAL COMPOSITION (%) 

C (Max) Mn(Max) Si(Max) S(Max) P(Max)

0.22 1.6 0.5 0.035 0.035

3.Standard

GB/T 8713, GB/T3639, API 5CT.DIN3639

 

4.Grade

20#,45#,16Mn,25Mn,27SiMn

 

5. SUPPLY CONDITION

Cold drawn seamless steel tube, stress relieved and honed or skived roller burnished