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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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P420ML1 steel plate, P420ML1 Yield
P420ML1 steel plate under EN10028-5 standard, it is a kind of pressure vessel steel. More information about P420ML1 steel plate technology, please see the following:
P420ML1 steel plate has minimum yield strength at 420 Mpa, When production P420ML1 steel plate, the heat treatment shall be done under Thermomechanically rolled. Low temperature impacting test for P420ML1 steel shall be done under 40 centi degree.
P420ML1 steel plate specification:
Grade: P420ML1 Standard: EN10028-5
Thickness up to 40mm, Width: Up to 3 metres wide, Length up to 12 metres long
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P420ML1 chemical composition |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
Al |
N |
|
|
P420ML1 |
0,16 |
0,50 |
1,70 |
0,020 |
0,015 |
0,020 |
0,020 |
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Nb |
V |
Ti |
Ni |
Mo |
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|
|
0,05 |
0,10 |
0,05 |
0,50 |
0,20 |
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Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
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Grade |
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Thickness |
Yield |
Tensile |
Elongation |
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P420ML1 |
mm |
Min Mpa |
Mpa |
Min % |
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6-16 |
420 |
500-660 |
19% |
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16-40 |
400 |
500-660 |
19% |
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40-63 |
390 |
500-660 |
19% |
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P420ML1 steel plate usage:
P420ML1 steel plate are used to build boilers and pressure vessels such as petroleum, chemical industry, power plants.
More information about P420ML1 steel plate, please contact us and let us know your required specification, the best P420ML1 steel plate price will be quoted in shortest time.