SM490C Hot Rolled Steel Plate for Welded Structure is defined in the standards JIS G3106, SM490C steel is more reliable in its tensile strength than SM400C steel,SM490C steel suitable for the structural parts with good welding performance,
SM490B steel plate can be used as buildings, bridges, ships, vehicles, engineering machines, etc.The applicable thickness for this SM490C steel material as defined in the JIS G3106, it is from 6 mm to 300 mm.and JIS G3106 is a Japanese material standard for SM490C welding structure steel plate.
JIS G3106 SM490C Hot Rolled steel plate Chemical Composition:
| SM490B Chemical Composition | ||||||
| Grade | The Element Max (%) | |||||
| C | Si | Mn | P | S | Cu (min) | |
| SM490B | 0.18 | 0.55 | 1.65 | 0.035 | 0.035 | - |
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
SM490C steel plate Mechanical properties:
| Grade | SM490B Mechanical Property | |||
| Thickness | Yield | Tensile | Elongation | |
| SM490B | mm | Min Mpa | Mpa | Min % |
| t≦16 | 325 | 490-610 | 17 | |
| 16<t≦90 | 295-315 | 490-610 | 23 | |
We also have SM490B, SM490A, SS540, SS500, SS400, SS490, S55C, S50C, S35C, S40C, S45C steel plate, steel sheets,steel pipes, steel coils, steel bar, flat steel in stock more than 50000ton/per month,if you have any need,pls contact us.

