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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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SA533 grade A steel, SA533 grade A boiler steel, SA533 grade A steel plate
SA533 grade A steel is a kind of Mn-Mo and Mn-Mo-Ni alloy steel material, it is used for high temperature pressure vessels. SA533 grade A steel is also a Quenching + Tempering steel material. More information about SA533 grade A steel, please see the following:
SA533 grade A steel specification:
Grade: SA533 grade A Standard: ASME
Thickness: 5-200mm, Width: 1220-4200mm, Length: 5000-18000mm
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SA533 grade A steel chemical composition(%) |
||||
|
C |
Mn≥ |
Si |
P |
S |
|
0.25 |
0.13-0.45 |
1.07-1.62 |
0.035 |
0.035 |
|
Tensile Strength(MPa) |
Yield Strength(MPa) |
% Elongation in 2 in.(50mm) min |
Impacting Test Temperature(°C) |
|
470-630 |
345 |
20 |
20 |
SA533 grade A steel application :
SA533 grade A steel is widely used in the fabrication of boilers and pressure vessel, such as petroleum, chemical, gas industry and power plants.
SA533 grade A steel additional condition :
UT (Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered), Z Direction Test(Z15, Z25, Z35), Charpy V-Notch Impact Test, HIC test, NDT, PWHT( Simulated Post Weld Heat Treatment), NACE0175, The Third Party Test (Such as SGS Test), Coated or Shot Blasting and Painting.
To find out more about SA533 grade A steel and to receive a competitive quotation for the supply of SA533 grade A material, please feel free to contact us.