Products Description
Q460NH steel has good weldability and low temperature impact toughness, it suitable for architecture, artifacts such as weather resistance of weldments.,Q460NH steel plate under China GB/T 4171 standard, it is a kind of weathering steel.
Chemical Composition of Q460NH Weathering Resistant Plate
|
Grade |
C |
Si |
Mn |
P |
S |
Cu |
Cr |
Ni |
Other element |
|
Q460NH |
≤0.12 |
≤ |
≤ |
≤0.025 |
≤0.030 |
0.20-0.55 |
0.30-1.25 |
0.12-0.65 |
a,b,c |
GB/T 4171 Q460NH 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 |
||
|
Q460NH |
460 |
450 |
440 |
- |
570-730 |
20 |
20 |
19 |
- |
a |
2a |
3a |
Q460NH 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 |
Application areas
- Q460NH weathering steel is mainly used in bridges, buildings, transmission towers and other engineering projects that require weather resistance.
- Suitable for long-term use in harsh climate conditions to extend structural life.
About US
Gnee operates a state-of-the-art manufacturing plant covering over 20,000 square meters, equipped with cutting-edge machinery and streamlined production lines. We focus on both efficiency and precision, ensuring top-quality output at every stage.
Our Key Equipment Includes:
CNC plasma & laser cutting machines
Large-scale bending, stamping, and integrated welding systems
Fully automated sandblasting and coating lines
In-house testing labs for strength and corrosion resistance
Spacious, professional office spaces
From custom design to fabrication and final delivery, every step is handled in-house, giving us full control over quality, timing, and cost.
At Gnee, we integrate modern plant management and smart manufacturing to deliver efficient and reliable steel solutions worldwide.
Q460NH Corten Steel Plate delivers the perfect balance of strength, corrosion resistance, and low maintenance, making it the ideal choice for demanding outdoor and structural applications.
Contact now to get Q460NH Quote
For Q460NH Corten Steel Plate price and technical consultation, contact us today for a free quotation.
