JIS G3103 specifies the hot rolled steel plates of carbon steel and molybdenum alloy steel to be used for boilers and pressure vessels, excepting those to be used at room and cold temperatures. This standard covers steel
SB410, SB450, SB480, SB450M and SB480M.
JIS G3103 SB410 chemical composition
|
Grade |
C |
Si |
Mn |
P |
S |
|
SB410 |
t≤25mm |
≤0.24 |
0.15-0.30 |
≤0.90 |
≤0.035 |
≤0.040 |
|
25<t≤50mm |
≤0.27 |
JIS G3103 SB410 is widely used in the fabrication of boilers and pressure vessels in industries such as petrochemical and manufacturing.
JIS G3103 SB410 mechanical properties
|
Grade |
Yield point N/mm2 |
Tensile strength N/mm2 |
Elongation % |
|
SB410 |
≥225 |
410-550 |
t≤25mm |
≥21 |
|
25<t≤50mm |
≥25 |
JIS G3103 SB410 carbon steel and molybdenum alloy steel plates for boilers and other pressure vessels will be test piece No.1 at the right angles to rolling direction.
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