China St52 E355 E410 E470 20mnv6 C45e Ck45 St44 Cold Rolled and Cold Drawn Seamless Steel Precision Honed Hydraulic Cylinder Tube, Find details about China Hydraulic Honed Tube Suppliers, Honed Tube from St52 E355 E410 E470 20mnv6 C45e Ck45 St44 Cold Rolled and Cold Drawn Seamless Steel Precision Honed Hydraulic Cylinder Tube
Grade | C | Si | Mn | P | S | Cr | Mo |
ST45 (DIN1.0408) | 0.21 max | 0.35 max | 0.40 min | 0.025 max | 0.025 max | / | / |
ST52 (DIN1.0580) | 0.22 max | 0.55 max | 1.60 max | 0.025 max | 0.025 max | / | / |
E355 | 0.22 max | 0.55 max | 1.60 max | 0.025 max | 0.025 max | / | / |
1020 | 0.18-0.25 | / | 0.30-0.60 | 0.040 max | 0.050 max | / | / |
1026 | 0.22-0.28 | / | 0.60-0.90 | 0.040 max | 0.050 max | / | / |
Grades | Delivery Conditions | Tensile Strength Rm (Mpa) | Elongation in the longitudinal direction Al (%) |
ST45 | +A (GBK) | 390 min | 21 min |
ST52 | +A (GBK) | 490 min | 22 min |
E355 | +A (GBK) | 450 min | 22 min |
1020 | +A (GBK) | 390 min | 21 min |