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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
P235GH steel mechanical properties,P235GH steel chemical composition

P235GH steel is a normalized carbon alloy steel, it is a European specified steel for use in pressure vessels, boilers and heat exchangers. The following is P235GH steel details for your reference:
|
Element |
% by mass |
Element |
% by mass |
|
Carbon (C) |
≤0.16 |
Silicon (Si) |
≤0.35 |
|
Manganese (Mn) |
0.60 to 1.20 |
Phosphorous (P) (max) |
0.025 |
|
Sulphur (S) (max) |
0.015 |
Aluminium (Al) |
≤0.020 |
|
Nitrogen (N) |
≤0.012 |
Chromium (Cr) |
≤0.30 |
|
Copper (Cu) |
≤0.30 |
Molybdenum (Mo) |
≤0.08 |
|
Niobium (Nb) |
≤0.020 |
Nickel (Ni) |
≤0.30 |
|
Titanium (Ti) (max) |
0.03 |
Vanadium (Vi) |
≤0.02 |
|
Grade |
Type |
P235GH Mechanical Property |
||||||||
|
Thickness |
Yield |
Tensile |
Elongation |
Impact Energy(KV J) min |
||||||
|
P235GH |
Normalized |
mm |
Min Mpa |
Mpa |
Min % |
-20° |
0° |
+20° |
||
|
t≤ 16 |
235 |
360-480 |
24 |
27 |
34 |
40 |
||||
|
16<t≤40 |
225 |
360-480 |
24 |
27 |
34 |
40 |
||||
|
40<t ≤60 |
215 |
360-480 |
24 |
27 |
34 |
40 |
||||
|
60<t ≤100 |
200 |
360-480 |
24 |
27 |
34 |
40 |
||||
|
100< t ≤150 |
185 |
350-480 |
24 |
27 |
34 |
40 |
||||
|
150<t ≤250 |
170 |
340-480 |
24 |
27 |
34 |
40 |
||||

