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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
DIN17165 HII steel, DIN17165 HII steel Chemical Composition
DIN17165 HII steel is one of grade in DIN17165. DIN17165 HII steel is used in the fabrication of industrial boilers and pressure vessels, so, DIN17165 HII steel belongs to boilers and pressure vessels steel.
DIN17165 HII steel is used primarily in:
Manufacturing boilers in industries such as shipbuilding, petrochemical and manufacturing.
Manufacturing boilers, pressure vessels, gas turbines.
Manufacturing heat exchangers, spheres, compressors and storage tanks.
Manufacturing a variety of skid mounted equipment designed for the oil and gas industry.
Other industrial and commercial purposes.
DIN17165 HII steel Chemical Composition:
|
Grade |
C. % |
Mn.% |
S. |
N |
Cu |
Nb |
Ti. |
Si. |
P. |
AL |
Cr. |
Mo. |
Ni |
Vi |
|
HII |
0.20 |
0.80-1.40 |
0.015 |
0.012 |
0.30 |
0.020 |
0.03 |
0.40 |
0.025 |
0.020 |
0.30 |
0.08 |
0.30 |
0.02 |
DIN17165 HII steel Mechanical Property:
|
Grade |
Type |
Thickness mm |
Yield strength Mpa(min) |
Tensile Strength MPa |
Elongation % (min) |
Impact Energy (KVJ) (min) |
||
|
-20° |
0° |
+20 |
||||||
|
HII |
Normalized |
≤16 16 > to≤40 40 > to≤60 60 > to≤100 100 > to≤150 150 > to≤250 |
265 |
410-530 |
22 |
27 |
34 |
40 |
|
255 |
410-530 |
22 |
27 |
34 |
40 |
|||
|
245 |
410-530 |
22 |
27 |
34 |
40 |
|||
|
215 |
410-530 |
22 |
27 |
34 |
40 |
|||
|
200 |
400-530 |
22 |
27 |
34 |
40 |
|||
|
185 |
390-530 |
22 |
27 |
34 |
40 |
|||
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