- Company Name: Henan BEBON Iron & Steel Co., Ltd
- Email:sales7@bebonchina.com
Skype ID:Tayabebon
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GB/T 4171 Q550NH china supplier low price steel plate
Weathering steel Q550NH owned yield strength above 550 Mpa and tensile strength within 620-780 Mpa.
For improving steel properties, he following alloy elements can be added choose, b 0.015-0.060%, 0.02-0.12%,Ti 0.02-0.10%,Alt min.0.020%.Nb+V+Ti max.0.22%.
Main chemical elements composition of Q550NH:
Main chemical elements composition of Q550NH |
|||||||
C |
Si |
Mn |
P |
S |
Cu |
Ni |
Cr |
0.16 |
0.65 |
2.00 |
0.025 |
0.030 |
0.20-0.55 |
0.12-0.65 |
0.30-1.25 |
Mechanical property for Q550NH steel:
Thickness (mm) |
||||
Q550NH |
≤ 16 |
> 16 ≤ 40 |
> 40 ≤ 60 |
>60 |
Yield strength (≥Mpa) |
550 |
540 |
530 |
530 |
Tensile strength (Mpa) |
620-780 |
|||
GB/T 4171 Q550NH steel has the high quality steel toughness, plastic drawing, forming, welding, abrasion, high temperature, fatigue resistance and so on.
GB/T 4171 Q550NH Steel Plate is used in Vehicle, Bridge, Tower, container And So On.