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GET PRICEGB/T 4171 Q550NH has the characteristics of toughness, plastic extension, molding, welding and cutting, abrasion, high temperature and anti-fatigue, and it also has the feature of rust-proof, anti-corrosion life extension, thinning and energy saving. Q550NH Weathering steel is mainly used for railways, vehicles, bridges, towers and other steel structures that long-term exposure to the atmosphere.
Chemical Composition of Q550NH Weathering Resistant Plate
| Grade | C | Si | Mn | P | S | Cu | Cr | Ni | Other element |
| Q460NH | ≤0.16 | ≤ | ≤ | ≤0.025 | ≤0.030 | 0.20-0.55 | 0.30-1.25 | 0.12-0.65 | a,b,c |
GB/T 4171 Q550NH Mechanical Property
| Grade | Tensile Test | 180 degree bending test | ||||||||||
| Yield strength | Tensile strength | Elongation A/% | ||||||||||
| ≤16 | ＞16 | ＞ | ＞60 | ≤16 | ＞16 | ＞ | ＞60 | ≤6 | ＞6-16 | ＞16 | ||
| Q550NH | 550 | 540 | 530 | - | 620-780 | 16 | 16 | 15 | - | a | 2a | 3a |
Q550NH Weathering Resistant Plate 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 |
Q550NH Weathering Resistant Plate Size Range (MM):
The size range of Q550NH Weathering Resistant Plate is 4.5-150×1600-4100×L
GB/T 4171 Q550NH Delivery Condition:
Delivery condition of GB/T 4171 Q550NH: AR、CR、NR、TMCP、N、T、N+T、Q+T.
Shanghai Katalor Enterprises Co., Ltd is a big complex combined steel stockist whose business related with trade, processing, storage and transportation. We are specialized in supplying GB/T 4171 Q550NH Weathering Resistant Plate. Our products are with good quality and they are available for customers' requirement. We have advanced equipment and our products can meet the state standard also. If you have any need of Q550NH Weathering Resistant Plate, please do not hesitate to contact us by email [email protected], we can do our best to help you!
