
SMA490CW Weathering steel chemical composition
Grade | C ≤ | Si | Mn ≤ | P ≤ | S ≤ | Cu | Cr | Ni | Ce ≤ |
SMA490CW | 0.18 | 0.15~0.65 | 1.40 | 0.035 | 0.035 | 0.30~0.50 | 0.45~0.75 | 0.05~0.30 | - |
SMA490CW Weathering resistant steel tensile property
Min Yield Strength ( MPa ) | Tensile Strength | Elongation A% | Impact test |
Thickness of plates and sections (mm) |
|
| Degree | Energy |
≤ 16 | >16- ≤ 40 | >40- ≤ 75 | >75- ≤ 100 | >100- ≤ 160 | >160- ≤ 200 | 490-610 | 15 min | 0 | 47 |
|
SMA490CW steel delivery condition can be hot rolled, Cold rolled ,AR/CR/N/TMCP/T/QT as the customer request
Relate Steel Type
Steel Type | Standard | Country Code | C(%) | V(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Cu(%) |
SMA490CW | 4269 | CNS | ≦0.18 |
| 0.15-0.65 | ≦1.40 | ≦0.035 | ≦0.035 | 0.45-0.75 | 0.05-0.30 | 0.30-0.50 |
SMA480CW | G3114 | JIS | ≦0.18 |
| 0.15-0.65 | ≦1.40 | ≦0.035 | ≦0.035 | 0.45-0.75 | 0.05-0.30 | 0.30-0.50 |
A588Gr.B | A588 | ASTM | ≦0.20 | 0.01-0.10 | 0.15-0.50 | 0.75-1.35 | ≦0.04 | ≦0.05 | 0.40-0.70 | ≦0.50 | 0.20-0.40 |
Steel Type | Yield stress (Mpa) | Tensile stress (Mpa) | Elongation (%) | Thick (mm) |
SMA490CW | ≧365 | 490-610 | ≧21 | ≦16 |
SMA480CW | ≧365 | 490-610 | ≧21 | ≦16 |
A588Gr.B | ≧345 | ≧485 | ≧21 | ≦100 |



