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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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P355Q steel plate, P355Q boiler steel, P355Q boiler steel plate
P355Q steel plate under EN10028-6 standard which is a kind of low alloy steel. As the boiler steel, P355Q steel plate is widely used in petroleum industry, chemical industry, power station and so on. The following is P355Q steel for your reference:
Key words: P355Q steel plate, P355Q boiler steel, P355Q boiler steel plate, P355Q pressure vessel steel plate, P355Q boiler steel plate supplier, P355Q boiler steel plate manufacturer, P355Q storage tanks steel plate, P355Q heat exchanger steel plate.
P355Q steel specification:
Steel Grade:P355Q Steel Standard: EN10028-6
Thickness:6mm-450mm, Width:1200mm-4200mm, Length:3000mm-18000mm
P355Q steel chemical composition:
|
C |
Si |
Mn |
P |
S |
N |
B |
Cr |
|
0.16 |
0.40 |
1.50 |
0.025 |
0.015 |
0.015 |
0.005 |
0.30 |
|
Mo |
Cu |
Nb |
Ni |
Ti |
V |
Zr |
|
|
0.25 |
0.30 |
0.05 |
0.50 |
0.03 |
0.06 |
0.05 |
|
|
P355Q steel Yield strength (Mpa) |
P355Q steel Tensile strength (Mpa) |
|||
|
t≤50 |
50<t≤100 |
100<t |
t≤100 |
100<t |
|
355 |
335 |
315 |
490-630 |
450-590 |
P355Q steel surface treatment: Shot blasting and painting or coated.
P355Q steel application:
P355Q steel plates are widely used in the industries of petroleum, chemistry, power station and boiler .They can also be used to make equipments and components of reactor, heat exchanger, spherical tank, oil gas tank, liquefied gas tank, nuclear reactor pressure shell, boiler drum, liquefied petroleum gas cylinder, high pressure water pipes of hydropower station, water turbin shell.
P355Q steel tests: HIC, SSC, SPWHT, Macrostructure, detection of defects,Hardness and DWTT test.
As a professional P355Q steel plate supplier in China, we keep many tons P355Q steel plate in stock every month , any need in P355Q steel plate, please feel free to contact us!