China DIN St52 Ck20 Seamless Honed Steel Tube for Hydraulic Cylinder, Find details about China Hydraulic Honed Tube Suppliers, Honed Tube from DIN St52 Ck20 Seamless Honed Steel Tube for Hydraulic Cylinder
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 |