JIS 3106 SM520B,SM520C steel plate application:
SM520B,SM520C 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 |
|
|
SM520B |
Steel plates ,coil, section, and flat 100 or under |
|
|
SM520C |
Steel plates ,coil and section 100 or under |
|
SM520B,SM520C chemical composition
GRADE |
Si |
Mn |
P |
S |
|
|
≤ |
|||||
|
SM520B |
≤0.20 |
≤0.55 |
≤1.60 |
0.035 |
0.035 |
|
SM520C |
≤0.20 |
≤0.55 |
≤1.60 |
0.035 |
0.035 |
SM520B,SM520C mechanical property
GRADE |
Tensile Strength（σb/MPa） |
Offset Yield Strength（σs/MPa） |
Elongation |
|
|
% |
||||
|
SM520B |
520-640 |
≥365 |
19 min. |
|
|
SM520C |
520-640 |
≥365 |
19 min. |
|
REMARK: The above data is calculated based on 16mm thickness steel plate.
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