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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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High quality AISI 1020 steel plate chemical composition
AISI 1020 steel is a general purpose carbon steel suitable for surface hardening. It has high machinability, high strength, high ductility and good weld-ability.
AISI 1020 steel plate chemical composition:
| Grade |
Chemical composition Max (%) |
||||
|
C |
Si |
Mn |
P |
S |
|
|
1020 |
0.18-0.23 |
0.4 |
0.30-0.60 |
0.040 |
0.050 |
AISI 1020 steel plate can be used for drilling, turning, milling and tapping operations using suitable feeds, tool type and speeds.
AISI 1020 steel plate should be forged at 1260°C (2300°F) down to 982°C (1800°F).
AISI 1020 steel plate can be hardened by heating between 815- 871°C (1500 - 1600°F), which should be followed by water quenching. Then it should be tempered.