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Thickness | C max | Si max | Mn max | P max | S max | Cu max | Ni max |
Cr max |
Mo max |
Nb max |
Ti max | V max |
B max |
t≤25 | 0.31 | 0.15-0.40 | 1.20 | 0.020 | 0.020 | 0.40 | 0.40 | 0.30 | 0.12 | 0.02 | 0.03 | 0.03 | 0.0010 |
25<t≤50 | 0.33 | ||||||||||||
50<t≤200 | 0.35 |
Grade | Yield strength ReH MPa min | Tensile strength Rm MPa | Elongation A% min |
SB480 | 265 | 480-620 | 17 |
21 |
Others steel grades steel plate for pressure vessel and boiler equipment in the standard JIS G3103:
SB410 pressure vessel and boiler steel plates,
SB450 pressure vessel and boiler steel plates,
SB450M pressure vessel and boiler steel plates,
SB480M pressure vessel and boiler steel plates,