| Product Name | Carbon Steel Flat Bar | |
| Standard | ASTM,AISI,DIN,EN,BS,GB,JIS | |
| Grade | ASTM/ASME: A36, A283, A285, A514, A516, A572, A1011/A1011M | |
GB: Q195, Q235/Q235B, Q255, Q275, Q345/Q345B, Q420, Q550, Q690 | ||
| JIS: SS400, G3131 SPHC, G3141 SPCC, G4051 S45C, G4051 S50C | ||
| AISI: 1018, 1020, 1045 / SAE: 1010, SAE 1020, SAE 1045 | ||
| Technique | Hot rolled / Cold rolled | |
| Type | Mild steel / Medium carbon steel / High carbon steel | |
| Surface | Coating, Pickling, Phosphating | |
| Processing | Welding, Cutting, Bending, Decoiling | |
| Delivery time | 10-30 days subject to the clients' requirement and quantity | |
| Package | clients' requirement and Standard export sea-worthy packing | |
| MOQ | 1 ton | |
Available Size Range
| Dimension | Range |
| Diameter | 3-480mm |
| Length | 1000mm, 2500mm, 3000mm,3500mm, 4000mm 5000mm 6000mm 10000mm 12000mm, etc or as customer's request |
Chemical Composition
| Chemical Composition, % | |||||
| Standard | C | Si | Mn | P | S |
| Q195 | ≤0.12% | ≤0.30% | 0.25-0.50% | ≤0.050% | ≤0.045% |
| Q235 | ≤0.22% | ≤0.35% | 0.30-0.70% | ≤0.045% | ≤0.045% |
| Q245 | ≤0.20% | ≤0.35% | 0.50-1.00% | ≤0.035% | ≤0.035% |
| Q255 | ≤0.18% | ≤0.60% | 0.40-1.00% | ≤0.030% | ≤0.030% |
| Q275 | ≤0.22% | ≤0.35% | 0.50-1.00% | ≤0.035% | ≤0.035% |
| Q345 | ≤0.20% | ≤0.50% | 1.70-2.00% | ≤0.035% | ≤0.035% |
| Q420 | ≤0.20% | ≤0.50% | ≤1.70% | ≤0.030% | ≤0.025% |
| Q550 | ≤0.20% | ≤0.60% | ≤2.00% | ≤0.030% | ≤0.025% |
| Q690 | ≤0.20% | ≤0.80% | ≤2.00% | ≤0.020% | ≤0.015% |
| C45 | 0.42-0.50% | 0.17-0.35% | 0.50-0.80% | ≤0.040% | ≤0.040% |
| A36 | 0.25% | 0.40% | 0.80-1.20% | ≤0.040% | ≤0.050% |
| A53 | ≤0.25% | ≤0.35% | 0.95-1.35% | ≤0.030% | ≤0.030% |
| A106 | ≤0.30% | ≤0.35% | 0.29-1.06% | ≤0.035% | ≤0.035% |