China DIN2391 St52 C20 Srb DIN 2391 St52 Honed Tube for Crane Equipment, Find details about China Honed Tubing, Carbon Honed Tube from DIN2391 St52 C20 Srb DIN 2391 St52 Honed Tube for Crane Equipment
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 |