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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
wholesale BS grade S420NL low alloy structural steel plate
S420NL alloy structural steel plate belongs to the European standard high strength plate, high strength, especially in normalizing or normalizing and tempering state has a higher overall mechanical properties, as the most popular Chinese steel suppliers, we can provide S420NL alloy steel plate with Higher quality and competitive price. The following is a detailed description of our S420NL alloy steel plate basic chemical properties and life applications.
Chemical content of BS S420NL alloy steel plate:
C≤0.20;Si≤0.60;Mn:1.0-1.7;P≤0.025;S≤0.02;N≤0.025;Al≤0.02;Nb≤0.05;V≤0.20;Ti≤0.05;Cr≤0.30;Ni≤0.80;Mo≤0.10;Cu≤0.55
Thickness:4-200mm;width:1000-3000mm;length:3000-12000mm
Technique:hot rolled
Surface treatment:coated
Payment form: T/T, L/C
Application:mainly used in large ships, bridges, power station equipment, medium and high pressure boilers, high pressure vessels, rolling stock, lifting machinery, mining machinery and other large welded structure.
About S420NL low alloy steel plate basic chemical properties and application. If you have any questions, please feel free to contact us, we will provide you with the best quality service. We can supply S420NL alloy steel plate with high quality and competitive price. If you need, please feel free to contact us.