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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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a517 grade h steel,a517 grade h steel chemical composition
a517 grade h steel under ASTM standard, it is a kind of boiler steel. a517 grade h steel is widely used in fusion welded boilers and other pressure vessels. More information about a517 grade h steel technology, please see the following:
a517 grade h steel plate specification:
Grade: a517 grade h Standard: ASTM
Length: 6000mm-12500mm, Thickness: 5mm -150mm, Wide: 1500mm-4500mm
a517 grade h steel chemical composition%:
|
Grade |
The Element Max (%) |
||||
|
C |
Si |
Mn |
P |
S |
|
|
a517 grade h |
0.10-0.23 |
0.13-0.37 |
0.87-1.41 |
0.035 |
0.035 |
|
Cr |
Mo |
B |
V |
Ni |
|
|
0.36-0.69 |
0.17-0.33 |
MIN 0.0005 |
0.02-0.09 |
0.27-0.73 |
|
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
a517 grade h steel mechanical property:
|
Grade |
||||
|
Thickness |
Yield |
Tensile |
Elongation |
|
|
a517 grade h |
mm |
Min Mpa |
Mpa |
Min % |
|
6-65 |
690 |
795-930 |
16% |
|
|
65-150 |
620 |
725-930 |
14% |
|
a517 grade h steel surface treatment: Shot blasting and painting or coated.
a517 grade h steel application:
a517 grade h steel is mainly made mechanical device and other structural elements and so on drilling machine, power shovel, electricity drive wheel counter- mine trolley, mineral product automobile, excavator, car loader.
a517 grade h steel services: Cutting, Painting, Ball blast, Pretreatment, and The third party inspection in DNV, BV, LR, GL, ABS, CCS, CE Mark, TUV, ISO, and others in super thick ship steel plate.
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