JIS G3103 boiler steel plate pressure vessel steel sheet chemical composition:
Grade | C | Si | Mn | P | S | Mo |
SB410 | 0.24-0.30 | 0.15-0.40 | 0.90 | 0.030 | 0.030 | - |
SB450 | 0.33 | 0.45 | 0.98 | 0.030 | 0.030 | - |
SB480 | 0.35 | 0.45 | 1.30 | 0.030 | 0.030 | - |
SB450M | 0.25 | 0.45 | 0.98 | 0.030 | 0.030 | 0.45-0.60 |
SB480M | 0.27 | 0.45 | 0.98 | 0.030 | 0.030 | 0.45-0.60 |
JIS G3103 boiler steel plate pressure vessel steel sheet mechanical properties:
Grade | Tensile Strength(MPa) | Yield Strength(MPa) Min | % Elongation in 2 in.(50mm) min |
SB410 | 410-550 | 225 | 21 |
SB450M | 450-590 | 255 | 19 |
SB450 | 450-590 | 245 | 19 |
SB480 | 480-620 | 265 | 17 |
SB480M | 480-620 | 275 | 17 |
JIS G3103 steel equivalent grades:
Warning! Only for reference
Grade | Europe | Germany | Japan | USA |
SB450 | P296GH | A St45, 17Mn4, StE315 | SPV 315 | A 515 gr.55 |
SB450M | P296GH | A St45, 17Mn4, StE315 | SPV 315 | A 515 gr.55 |
SB480 | P355GH | A St52, 19Mn8, StE355 | SPV 355 | A537 CL1 |
SB480M | P355GH | A St52, 19Mn8, StE355 | SPV 355 | A537 CL1 |
SB410 | P235GH | A St35, HI, StE255 | SPV 235 | A285 Gr.A/B/C |
JIS G3103 boiler steel plate pressure vessel steel sheet application:
JIS G3103 boiler steel plate pressure vessel steel sheet is widely used in the fabrication of boilers and pressure vessels in industries such as petrochemical and manufacturing.
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