SM400A STEEL is hot rolled steel for welded structure in the form of plates, sheets & strips for architecture, engineering structures. SM400A steel is a material grade and designation defined in JIS G3106 standard. JIS G3106 is a Japanese material standard for hot rolled steel for welded structure steel plates, sheets, strips for Architecture, Engineering Structures. The hot rolled steel for welded structure SM400A steel is less reliable in its tensile strength than SM490 steel.
Grade
|
The Element Max (%)
| |||||
C
|
Si
|
Mn
|
P
|
S
|
Cu (min)
| |
SM400A
|
0.23-0.25
|
-
|
2.5*C min
|
0.035
|
0.035
|
-
|
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
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