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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
P355NL1 steel plate, P355NL1 Boiler steel plate, P355NL1 Pressure vessel steel plate
P355NL1 steel plate under EN 10028-3 standard which are used for manufacturing boilers, pressure vessels and pipes transporting hot liquids. More information about P355NL1 steel plate details, please see the following:
Steel Name: P355NL1 steel plate, P355NL1 Boiler steel plate, P355NL1 Pressure vessel steel plate
P355NL1 steel plate specification:
Steel Grade: P355NL1 Steel Standard: EN10028-3
Thickness:6mm-450mm, Width:1200mm-4200mm, Length:3000mm-18000mm
P355NL1 steel plate surface treatment: Shot blasting and painting or coated.
|
Grade |
The Element Max (%) |
||||||
|
C |
Si |
Mn |
P |
S |
Al(min) |
N |
|
|
P355NL1 |
0.18 |
0.50 |
0.9-1.70 |
0.03 |
0.020 |
|
0.02 |
|
Cr |
Cu |
Mo |
Nb |
Ni |
Ti |
V |
|
|
0.30 |
0.30 |
0.08 |
0.005 |
0.50 |
0.03 |
0.10 |
|
|
Grade |
P355NL1 Mechanical Property |
||||||
|
Thickness |
Yield |
Tensile |
Elongation |
Impact Energy(KV J) min |
|||
|
P355NL1 |
mm |
Min Mpa |
Mpa |
Min % |
-20° |
0° |
+20° |
|
≤ 16 |
355 |
490-630 |
22 |
47 |
55 |
63 |
|
|
16> to ≤35 |
355 |
490-630 |
22 |
47 |
55 |
63 |
|
|
35> to ≤50 |
345 |
490-630 |
22 |
47 |
55 |
63 |
|
|
50> to ≤70 |
325 |
490-630 |
22 |
47 |
55 |
63 |
|
|
70> to ≤100 |
315 |
470-610 |
21 |
47 |
55 |
63 |
|
|
100> to ≤150 |
295 |
450-590 |
21 |
47 |
55 |
63 |
|
|
Type |
Usual |
Norminal |
Impact Energy KV min[J] at temperature [°C] |
|||||||||
|
Longitudinal |
Longitudinal |
|||||||||||
|
-50 |
-40 |
-20 |
0 |
+20 |
-50 |
-40 |
-20 |
0 |
+20 |
|||
|
P355NL1 |
N |
5-150 |
27 |
34 |
47 |
55 |
63 |
16 |
20 |
27 |
34 |
40 |
P355NL1 steel plate main application: