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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 A steel plate, sa204 grade A steel chemical composition
sa204 grade A steel plate under ASME standard, it is a kind of Mo-alloy steel material. As the boiler steel, sa204 grade A steel plate is mainly used to high temperature pressure vessels. More information about sa204 grade A steel technology, please see the following:
sa204 grade A steel plate specification:
Grade: SA-204 Gr.A Standard: ASME SA-204/SA-204M
Thickness: 1.5mm -260mm, Wide: 1000mm-4000mm, Length: 1000mm-18000mm
|
Thickness |
C |
Si |
Mn |
P |
S |
Mo |
|
T≤25 |
0.18 |
0.15-0.40 |
0.90 |
0.035 |
0.035 |
0.45-0.60 |
|
25＜T≤50 |
0.21 |
|||||
|
50＜T≤100 |
0.23 |
|||||
|
T＞100 |
0.25 |
|
Grade |
||||
|
Tensile Strength (MPa) |
Yield Strength (MPa) |
% Elongation in 2 in.(50mm) min |
Impacting Test Temperature (°C) |
|
|
sa204 grade A |
450 |
255 |
23 |
-20,40,-60 |
sa204 grade A steel plate application:
sa204 grade A steel plate is widely used in pressure vessel, boiler, storage tanks and heat exchanger in oil, gas project.
Our sa204 grade A steel advantage:
1. Best Quality-Our steel from China First-Class mill with Die stamp include heat number and batch number,It can be tracked.
2. Fast Delivery-Good relationship with Mill and Forwarder Shipping Agent for producing and shipping.
3. Professional Team-Work steel business more than six years for export steel plate.
4. Reasonable Price-Cooperate with 15 mills, satisfy with different request for the price and quality.
5. Kinds of Payment-T/T, L/C at sight, Usance Letter of Credit.
If you want to know more information about sa204 grade A steel plate, please contact us and let us know your required specification, the best sa204 grade A steel plate price will be quoted in shortest time.