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Q345 has excellent mechanical properties, good performance in low temperatures, and excellent weldability and plasticity. It is most commonly used in building structures, low-pressure vessels, cranes, mechanical parts, bridges, ships, petroleum storage tanks, lifting machinery, power stations, mining machinery, general metal parts, and in other structures that are exposed to temperatures of -40 ℃ or below or experience high-loads.
Product item | Carbon Steel Plate |
Steel type | Carbon steel, special alloy steel or as requested |
Process Method | Hot rolled, cold rolled, cold drawn, ect. |
Other processing method | Cutting, bending, punching, or as customer's request |
Size | Thickness from 0.15mm-300mm, width from 50mm-3500mm, length from 1m-12m or according to customer's special request |
Material grade | Carbon steel :Q195-Q420 Series, SS400-SS540 Series, S235JR-S355JR Series, ST Series, A36-A992 Series, Gr50 Series, A500, A2830, |
Standard | AISI, ASTM, BS, DIN, GB, JIS |
Surface | mild steel plain finish, hot dip galvanized, color coated, ect. |
Size Tolerance | +/- 1%~3% |
Yield Strength | 250~600 MPa |
Tensile Strength | 350~800 MPa |
Packaging | Bundled with strong steel strips or with waterproof packing materials |
Certificate | API,ISO,BV,etc |
Capacity | 5000 tons/month, for non-standard customized products please discuss with us |
Delivery terms | FOB / CIF / CFR / DAP or discuss with us for other terms |
Delivery Time | 5-30 days after deposit received or L/C received in our bank |
| Component Elements Properties | Metric | US/Imperial |
| Carbon, C | <= 0.23 % | <= 0.23 % |
| Iron, Fe | 98 % | 98 % |
| Manganese, Mn | 1.35 % | 1.35 % |
| Phosphorus, P | <= 0.040 % | <= 0.040 % |
| Silicon, Si | <= 0.40 % | <= 0.40 % |
| Sulfur, S | <= 0.050 % | <= 0.050 % |
| Silicon, Si | 0.15 – 0.40 % | 0.15 – 0.40 % |
| Sulfur, S | 0.050 % | 0.050 % |
| Mechanical Properties | Metric | US/Imperial |
| Hardness, Brinell | 135 | 135 |
| Hardness, Rockwell B | 74 | 74 |
| Tensile Strength, Ultimate | 450 MPa | – |
| Tensile Strength, Yield | 345 MPa | – |
| Elongation at Break | 18 % | 18 % |
| 21 % | 21 % | |
| Bulk Modulus | 160 GPa | 23200 ksi |
| Shear Modulus | 80.0 GPa | 11600 ksi |
| carbon steel plate grade chart | carbon steel plate a283 grade c |
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