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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
A387 grade 22 refers to a specific grade of steel plate that meets the requirements of ASTM A387/A387M, which is a standard specification for pressure vessel plates, alloy steel, chromium-molybdenum.
This grade is specifically designed for use in high-temperature and high-pressure applications, such as boilers and pressure vessels. The "grade 22" designation indicates the composition of the steel, including the presence of chromium and molybdenum alloying elements.
The boiler pressure vessel hot rolled steel plate of A387 grade 22 is produced through a hot rolling process, which involves heating the steel slab and passing it through a series of rollers to achieve the desired thickness and shape.
The A387 grade 22 steel plate offers excellent tensile strength, high-temperature resistance, and good corrosion resistance. These properties make it suitable for withstanding the elevated pressures and temperatures experienced in boiler and pressure vessel applications.
By using A387 grade 22 boiler pressure vessel hot rolled steel plates, manufacturers can ensure the durability and reliability of their equipment in demanding environments. These plates are commonly used in power plants, petrochemical refineries, and other industries where high-performance pressure vessels and boilers are required.