Description
Technical Parameters
SM490 metal flat steel
Mild Steel Flat Bar Products Description
SM490 flat bar is a structural steel with excellent mechanical properties and welding properties. SM490 metal flat bar is widely used in many fields such as construction, bridges, ships, vehicles, etc.
The "SM" in SM490 steel flat bar stands for Japanese standard high-strength plate, which meets Japanese industrial standards; "490" indicates its strength grade, that is, the strength σb is not less than 490MPa.
According to different suffixes, such as "A", "B", "C", "YA", "YB", etc., it indicates the quality grade or delivery status of SM490 flat steel.
SM490 Metal Flat Steel Products Details
►Mechnical property for SM490 Structural steel
| Thickness (mm) | |||||||
| ≤ 16 | > 16 ≤ 40 | > 40 ≤ 75 | > 75 ≤ 100 | > 100 ≤ 160 | > 160 | ||
| Yield strength (≥Mpa) | 325 | 315 | 295 | 295 | 285 | 275 | |
| ≤ 100 | > 100 | ||||||
| Tensile strength (Mpa) | 490-610 | 400-610 | |||||
►Chemical composition for SM490 flat steel
| Thickness(mm) | C | Si | Mn | P | S |
| T≤50 | 0.20 | 0.55 | 1.60 | 0.035 | 0.035 |
| 50<T | 0.22 |
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