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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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P355QL2 steel plate, P355QL2 chemical composition, P355QL2 mechanical property
P355QL2 steel plate under EN10028-6 standard which is a kind boiler steel. P355QL2 steel has a good weldability, it is widely used to build boilers and pressure vessels such as petroleum, chemical industry, power plants.
P…Q means the -20 degree and the impact energy is 27J
P…QH means the -20 temperature quality and the impact energy is 27J
P…QL2 means the -40 temperature quality and the impact energy is 27J
P…QL2 means the -60 temperature quality and the impact energy is 27J
P355QL2 steel plate specification:
Grade: P355QL2 Steel Standard: EN10028-6 Number: 1.8869
Thickness:6mm-450mm, Width:1200mm-4200mm, Length:3000mm-18000mm
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P355QL2 chemical composition |
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Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
N |
B |
|
|
P355QL2 |
0.16 |
0.4 |
1.5 |
0.020 |
0.010 |
0.015 |
0.005 |
|
Mo |
Cu |
Nb |
Ni |
Ti |
V |
Zr |
|
|
0.25 |
0.3 |
0.05 |
0.5 |
0.03 |
0.06 |
0.05 |
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|
Grade |
|
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Thickness |
Yield |
Tensile |
Elongation |
|
|
P355QL2 |
mm |
Min Mpa |
Mpa |
Min % |
|
6-50 |
355 |
490-630 |
22% |
|
|
50-100 |
335 |
490-630 |
22% |
|
|
100-150 |
315 |
450-590 |
22% |
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P355QL2 steel surface treatment: Shot blasting and painting or coated.
P355QL2 steel application:
P355QL2 steel is widely used to build boilers and pressure vessels such as petroleum, chemical industry, power plants.
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.
If you are interesting in our P355QL2 steel products, please feel free to contact us. Your enquiry will be highly appreciated, and we will give you a quotation upon receiving your detailed requirements.