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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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EN 10028-2 P355 GH steel
EN 10028-2 P355GH steel is a carbon steel alloy engineered for use in pressurised service. It is used as a weldable material in the fabrication of pressure vessels and industrial boilers which are commonly found in petrochemical plants, oil refineries and gas installations.
EN 10028-2 P355GH steel Size:
Thickness: 8mm to 200mm
Width: 1500mm to 4200mm
Length: 4000mm to 18000mm
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EN 10028-2 P355GH Chemical Composition |
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Grade |
The Element Max (%) |
||||||
|
C |
Si |
Mn |
P |
S |
Al(min) |
N |
|
|
P355GH |
0.10-0.22 |
0.60 |
1.10-1.70 |
0.025 |
0.015 |
0.020 |
0.012 |
|
Cr |
Cu |
Mo |
Nb |
Ni |
Ti |
V |
|
|
0.30 |
0.30 |
0.08 |
0.040 |
0.30 |
0.03 |
0.02 |
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Carbon Equivalent: Ceq = [C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15]%
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Grade |
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EN10028-2 P355GH Mechanical Property |
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Thickness |
Yield |
Tensilmie |
Elongation |
Impact Energy(KV J) min |
|||
|
P355GH |
mm |
Min Mpa |
Mpa |
Min % |
-20° |
0° |
+20° |
|
≤ 16 |
355 |
510-650 |
20 |
27 |
34 |
40 |
|
|
16> to ≤40 |
345 |
510-650 |
20 |
27 |
34 |
40 |
|
|
40> to ≤60 |
335 |
510-650 |
20 |
27 |
34 |
40 |
|
|
60> to ≤100 |
315 |
490-630 |
20 |
27 |
34 |
40 |
|
|
100> to ≤150 |
295 |
480-630 |
20 |
27 |
34 |
40 |
|
|
150> to ≤250 |
280 |
470-630 |
20 |
27 |
34 |
40 |
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