China DIN2391 St52 St45 Ck45 Srb Hydraulic Tubing for Engineering Machinery, Find details about China Honed Tube, Cold Drawn Seamless Honed Tube from DIN2391 St52 St45 Ck45 Srb Hydraulic Tubing for Engineering Machinery
Description | ||
Standard | DIN2391, EN10305, JIS G3445, ASTM A519, GB/T 8713... | |
Material | ST52, E355, E355SR, STKM13C, C20, SAE1026, Q235B, CK45, S45C... | |
Heat treatment | BK+S | |
Specification | Outer diameter(mm) | Inner diameter(mm) |
40-400mm | 30-320 | |
I.D Tolerance | H8-H9 | |
Length | 3-9m (Customers usually choose the 4~5.8m) | |
Straightness | 1/1000 | |
ID roughness | RA 0.4micron(max) | |
Technology | Honed & SRB(SKIVED AND ROLLER BURNISHED ) | |
Scope | Honed tube for hydraulic cylinder, swivel crane, injection machine and | |
construction machine application |