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Q345q Chemical composition（%）:
| Grade | Quality level | Unified digital code | Chemical composition% | |||||
| C | Si | Mn | F | S | Als | |||
| No greater than | ||||||||
| Q345q | C | L13453 | ≤0.20 | ≤0.60 | 1.00-1.60 | 0.035 | 0.035 | - |
| Q345q | D | L13454 | ≤0.18 | ≤0.60 | 1.10-1.60 | 0.025 | 0.025 | ≥0.015 |
| Q345q | E | L13455 | ≤0.17 | ≤0.50 | 1.20-1.60 | 0.02 | 0.015 | ≥0.015 |
Q345q Mechanical property:
| Grade | Quality level | thickness mm | Yield point σsMPa | Sile strength σbMPa | Elongationδ5 % | V-type impact energy (longitudinal) | ||
| Temperature，℃ | J | Aging，J | ||||||
| Not less than | ||||||||
| Q345q | C | ≤16 | 345 | 510 | 21 | 0 | 34 | 34 |
| ＞16-35 | 325 | 490 | 20 | |||||
| ＞35-50 | 315 | 470 | 20 | |||||
| ＞50-100 | 305 | 470 | 20 | |||||
| D | ≤16 | 345 | 510 | 21 | -20 | |||
| ＞16-35 | 325 | 490 | 20 | |||||
| ＞35-50 | 315 | 470 | 20 | |||||
| ＞50-100 | 305 | 470 | 20 | |||||
| E | ≤16 | 345 | 510 | 21 | -40 | |||
| ＞16-35 | 325 | 490 | 20 | |||||
| ＞35-50 | 315 | 470 | 20 | |||||
| ＞50-100 | 305 | 470 | 20 | |||||
Delivery condition of Q345q steel plate: AR, CR, NR, TMCP, N, T, N+T, Q+T
Q345q steel plate dimension (T*W*L) mm: 4.5-250*1600-4100*L
Our mill has three production lines:
| 2500 production line in the conventional production specifications, the annual output of 1.6 million tons | ||||
| Product thickness mm | Product width mm | Product length mm | Total length of steel plate | Weight of steel plate (tons) |
| 6-≤7 | 1800-2200 | 5200-13000 | 28000 | 2.2-3.0 |
| ＞7-30 | 1600-2300 | 5200-13000 | ≤32000 | 2.2-4.55 |
| 3500 production line in the conventional production specifications, the annual output of 2 million tons | ||||
| Product thickness mm | Product width mm | Product length mm | Total length of steel plate | Weight of steel plate (tons) |
| 10-50 | 2000-4100 | 5500-15000 | ≤36000 | 5.16-7.47/8.34-12.12 |
| ≥50-80 | 2250-3050 | 5500-15000 | ≤36000 | 8.34-12.12 |
| 4300 production line in the conventional production specifications, the annual output of 1.8 million tons | ||||
| Product thickness mm | Product width mm | Product length mm | Total length of steel plate | Weight of steel plate (tons) |
| 6-120 | ≥1500-4100 | 5500-15000 | ≤43000 | 22 max |
| 120-300 | ≥1500-4100 | 5500-15000 | ≤20000 | 44 max |
| 1700 hot-rolled coil, the annual output 3.5 million tons | ||
| Product thickness mm | Product width mm | Volume of steel plate (tons) |
| 1.8-19 | ≥900-1550 | 27.8 max |
Shanghai Katalor Enterprises Co., Ltd. is a steel manufacturer and supplier, it located in Shanghai, China. We have professional factories and various steel processing equipment. If you are interested in GB / T 714 Q345q bridge steel plate, please contact us. Look forward to working with you and also for your early cooperation.
