S235jrQ235 SS400 A36 Cold drawn Bright Carbon Steel Round Bar Structural Steel Bar
| Product Name | Cold Drawn steel bar | |||||
| Technique | Cold Drawn | |||||
| Type | Low Carbon Steel, Medium Carbon Steel | |||||
| Place of Origin | Tianjin, China(mainland) | |||||
| Grade | GB | DIN | JIS | ASTM/SAE/AISI | BS | |
| 20# | C22/CK22 | S20C | 1020 | IC22 | ||
| 45# | C45/CK45/1.0503 | S45C/S48C | 1045 | 060A42/060A47 | ||
| Q235B | S235jr | SS400 | A36 | S235jr | ||
| Q345B | SM490 | S355JR | ------ | S355JR | ||
| Section Shape | Round, square, hexagonal, flat, deformed | |||||
| Surface | Bright | |||||
| Specifications | Round Bar | 4mm-80mm | ||||
| Flat Bar | Length: 20-150mm | |||||
| Width: 3-80mm | ||||||
| Square Bar | 4*4mm-80*80mm | |||||
| Hexagon bar | 4-80mm | |||||
| Deformed | Special drawings | |||||
| Length | 2m, 4m, 5.8m, 6m or as required | |||||
| delivery condition | cold drawn , anneal or not | |||||
| Payment Terms | T/T, L/C | |||||
| Package | Bundled, wooden box for export standard package | |||||
| Price Terms | EXW, FOB, CIF,CFR | |||||
| Delivery Time | Normally according to the order quantity | |||||
| Container Size | 20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) | |||||
| Chemical composition %: | |||||||
| C | Si | Mn | S | P | Cr | Ni | Cu |
| 0.4-0.45 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.30 | ≤0.25 |
| mechanical properties: | ||||||
| Tensile strength σb (Mpa) | Yield strength σb (Mpa) | Elongation σb (%) | reduction of area ψ (%) | Hardness No heat treatment | Impacting Energy Akv (J) | Notched bar impact strength αkv (J/cm2) |
| min | min | min | min | max | min | min |
| 540(55) | 315(32) | 20 | 45 | 217HB | 63 | 78(8) |

