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ASTM A202 Grade B is a chromium-manganese-silicon low-alloy steel tailored for high-pressure, medium-temperature pressure vessel applications.2026-04-30
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ASTM A202 Grade A is a critical chromium-manganese-silicon low-alloy steel plate specifically designed for welded pressure vessels and boilers operating at medium temperatures.2026-04-30
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ASTM A202 Pressure Vessel Steel Material and Grades:
Alloy System: **Chromium-Manganese-Silicon (Cr-Mn-Si)** Low-Alloy Heat-Resistant Steel2026-04-17 -
ASTM A204/A204M Grade B molybdenum alloy steel plates for pressure vessels feature superior chemical composition and mechanical properties compared to Grade A2026-04-10
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As a molybdenum-alloy steel plate for pressure vessels under the ASTM A204/A204M standard, A204 Gr.A is a low-alloy, high-strength material specifically designed for service conditions involving moderate temperatures (≤400°C) and moderate-to-high pressure2026-03-31
JIS G3103 SB480 steel plate
JIS G3103 SB480 steel plate is used for boilers and pressure vessels, excepting those to be used at room and cold temperatures. These standard covers steel SB410, SB450, SB480, SB450M and SB480M.These plates are widely used in the fabrication of boilers and pressure vessels in industries such as petrochemical and manufacturing.
SB480 steel plate specification:
Thickness: 6MM to 300MM,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm
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SB480Chemical Composition |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
Mo |
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SB480 |
0.31-0.33 |
0.15 -0.40 |
1.20 |
0.030 |
0.030 |
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Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
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Grade |
SB480Mechanical Property |
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Thickness |
Yield |
Tensile |
Elongation |
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SB480 |
mm |
Min Mpa |
Mpa |
Min % |
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t≦25 |
265 |
480-620 |
17 |
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25<t≦50 |
265 |
480-620 |
21 |
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SB480 Equivalent steel |
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Europe |
Germany |
Japan |
USA |
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P355 GH |
A St52 19 Mn8 St E355 |
SPV 355 |
A 537 CL.1 |
As a SB480 steel plate supplier in China, we keep more than 10000 tons SB480 steel plate in stock every month, any need in SB480 steel plate, please feel free to contact us!