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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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Key Characteristics of P295GH Steel2025-12-22
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Characteristics of DIN 17102 WStE 255 Steel2025-12-19
P355NL1 steel, P355NL1 steel plate
P355NL1 steel under En10028-3 standard. EN10028 P355NL1 steel plate/sheets is mainly used for boilers and Pressure Vessels steels, it is a normalized steel plate and sheet which is mainly used for building pressure vessels and boilers and pipes for hot liquid.
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P355NL1 Chemical Composition |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
Al(min) |
N |
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|
0.18 |
0.50 |
0.9-1.70 |
0.03 |
0.020 |
|
0.02 |
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Cr |
Cu |
Mo |
Nb |
Ni |
Ti |
V |
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|
0.30 |
0.30 |
0.08 |
0.005 |
0.50 |
0.03 |
0.10 |
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Grade |
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P355NL1 Mechanical Property |
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Thickness |
Yield |
Tensilmie |
Elongation |
Impact Energy(KV J) min |
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|
mm |
Min Mpa |
Mpa |
Min % |
-20° |
0° |
+20° |
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≤ 16 |
355 |
490-630 |
22 |
47 |
55 |
63 |
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16> to ≤35 |
355 |
490-630 |
22 |
47 |
55 |
63 |
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35> to ≤50 |
345 |
490-630 |
22 |
47 |
55 |
63 |
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50> to ≤70 |
325 |
490-630 |
22 |
47 |
55 |
63 |
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|
70> to ≤100 |
315 |
470-610 |
21 |
47 |
55 |
63 |
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|
100> to ≤150 |
295 |
450-590 |
21 |
47 |
55 |
63 |
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