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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
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sa204 grade b steel,sa204 grade b steel plate supplier
sa204 grade b steel is a kind of pressure vessel steel, it under ASME standard. As a pressure vessel steel, sa204 grade b steel minimum yield strength is 275 Mpa, its tensile strength is 485-620 Mpa. More information about sa204 grade b steel technology, please see the following:
sa204 grade b steel specification:
Grade: sa204 grade b Standard: ASME
sa204 grade b steel size: T*W*L: 6-300mm*1500-4020mm*3000-18000mm
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sa204 grade b steel chemical composition |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
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sa204 grade b |
0.20-0.27 |
0.13-0.45 |
0.90-0.98 |
0.035 |
0.035 |
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Grade |
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Tensile Strength (MPa) |
Yield Strength (MPa) |
% Elongation in 2 in.(50mm) min |
ImpactingTest Temperature (°C) |
|
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sa204 grade b |
485 |
275 |
21 |
-20,40,-60 |
sa204 grade b steel surface treatment: Shot blasting and painting or coated.
sa204 grade b steel application:
sa204 grade b steel is widely used to build boilers and pressure vessels such as petroleum, chemical industry, power plants.
sa204 grade b steel additional technical services:
Including heat treatment (Normalized, TMCP, Quenched and Tempered, N+T), Z-test (Z15, Z25, Z35), Ultrasonic Examination, Low temperature impacting test, DWTT, PWHT and cutting welding and special pieces for end users. Mill test certificate issued under EN 10204 format.
As a professional sa204 grade b steel plate supplier in China, we keep many tons sa204 grade b steel plates in stock every month, any need in sa204 grade b steel plate, please feel free to contact us!