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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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P355M steel plate, P355M chemical composition
P355M steel plate under BS EN10028-5 standard. With minimum 355 Mpa Yield strength, P355M steel plate have to be under thermomechanically rolled when producing. The following is P355M steel plate description for your reference:
Steel Name: P355M steel plate, P355M Boiler steel plate, P355M Pressure vessel steel plate
P355M steel plate specification:
Steel Grade: EN10028-5 P355M Steel Standard: EN10028-5
Thickness: 6mm-450mm, Width:1200mm-4200mm, Length:3000mm-18000mm
P355M steel plate surface treatment: Shot blasting and painting or coated.
P355M chemical composition:
|
C |
Si |
Mn |
P |
S |
Al total Min |
N |
|
0.14 |
0.50 |
1.60 |
0.025 |
0.020 |
0.020 |
0.015 |
|
Mo |
Nb |
Ni |
Ti |
V |
Cr+Cu+Mo |
|
|
0.20 |
0.05 |
0.50 |
0.05 |
0.10 |
0.60 |
|
|
Grade |
Thickness |
Yield |
Tensile |
Elongation |
|
P355M |
mm |
Min Mpa |
Mpa |
Min % |
|
6-16 |
355 |
450-610 |
22% |
|
|
16-40 |
355 |
450-610 |
22% |
|
|
40-63 |
345 |
450-610 |
22% |
P355M steel heat treatment: Hot Rolled, CR, Normalized, Quenched, Tempering, TMCP, Electroslag Remelting Technical.
Steel Services: Cutting, Painting, Pretreatment, and The third party inspection in DNV, BV, LR, ABS, SGS,etc and others in super thick ship steel plate.
P355M steel plate main application:
P355M steel plates are used to build boilers and pressure vessels such as petroleum, chemical industry, power plants.
Bebon is P355M Boiler steel plate supplier, we can offer High quality P355M steel plate and pretreatment of the advanced equipment. If you are interested in P355M Boiler steel Production Process, P355M equivalent steel, please contact us.