JIS 3106 SM490A,SM490B,SM490C steel plate application:
SM490A,SM490B,SM490C steel are kind of hot rolled steels to be used for bridges, ships, rolling stocks, petroleum storage tanks,containers and other contstructions that are required superiority in weldability.
Symbol of grade
Symbol of grade |
Applicable thickness mm |
|
|
SM490A |
Steel plates ,coil, sections, and flat 200 or under |
|
|
SM490B |
Steel plates ,coil, sections, and flat 200 or under |
|
|
SM490C |
Steel plates ,coil, sections 100 or under |
|
SM 490A,SM 490B,SM 490C chemical composition
GRADE |
Si |
Mn |
P |
S |
|
|
≤ |
|||||
|
SM490A |
≤0.22 |
≤0.55 |
≤1.60 |
0.035 |
0.035 |
|
SM490B |
≤0.20 |
≤0.55 |
≤1.60 |
0.035 |
0.035 |
|
SM490C |
≤0.18 |
≤0.55 |
≤1.60 |
0.035 |
0.035 |
SM 490A,SM 490B,SM 490C mechanical property
GRADE |
Tensile Strength（σb/MPa） |
Offset Yield Strength（σs/MPa） |
Elongation |
|
|
% |
||||
|
SM490A |
490-610 |
≥325 |
17 min. |
|
|
SM490B |
490-610 |
≥325 |
17 min. |
|
|
SM490C |
490-610 |
≥325 |
17 min. |
|
REMARK: The above data is calculated based on 16mm thickness steel plate.
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