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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
P355N steel, P355N steel plate
P355N steel grade is one of grade in En10028-3, P355N EN steel is a Weldable normalized fine grained pressure vessel steels,characterized by a minimum yield strength of 275 - 460 MPa, by good weldability and high resistance to brittle cracking. Weldable normalized fine grained pressure vessel steels are used above all for manufacturing vessels for pressure gas(LPG, butane and propane tanks), pressure vessels, steam boiler parts, pressure piping, compressors etc..
P355N steel plate specification:
Thickness: 6mm to 300mm,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm
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P355N 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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|
0.20 |
0.50 |
0.9-1.70 |
0.03 |
0.025 |
|
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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Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
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Grade |
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P355N Mechanical Property |
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Thickness |
Yield |
Tensile |
Elongation |
Impact Energy(KV J) min |
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|
mm |
Min Mpa |
Mpa |
Min % |
-20° |
0° |
+20° |
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|
t≤ 16 |
355 |
490-630 |
22 |
40 |
47 |
55 |
|||
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16< t ≤35 |
355 |
490-630 |
22 |
40 |
47 |
55 |
|||
|
35< t ≤50 |
345 |
490-630 |
22 |
40 |
47 |
55 |
|||
|
50<t≤70 |
325 |
490-630 |
22 |
40 |
47 |
55 |
|||
|
70<t ≤100 |
315 |
470-610 |
21 |
40 |
47 |
55 |
|||
|
100< t ≤150 |
295 |
450-590 |
21 |
40 |
47 |
55 |
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We are specialized in supplying EN10028-3 steel plate in grade P355N. For more information of P355N steel plates, please feel free to contact us by email or calling to us.