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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
DIN17102 W St E 255 steel
DIN17102 W St E 255 steel is for Boilers and Pressure Vessels steels. DIN17102 W St E 255 steel is a normalized steel which is mainly used for building pressure vessels and boilers and pipes for hot liquid.
DIN17102 W St E 255 steel Chemical Composition:
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
N |
Nb |
Al |
Other |
|
≤ 0.18 |
0.40 |
0.50-1.30 |
0.035 |
0.030 |
≤ 0.30 |
≤ 0.30 |
≤ 0.08 |
0.020 |
0.03 |
0.020 |
Nb+Ti+V 0.05 |
DIN17102 W St E 255 steel Mechanical Property:
|
Properties |
Conditions |
||
|
T (°C) |
Treatment |
||
|
Density (×1000 kg/m3) |
7.7-8.03 |
25 |
|
|
Poisson's Ratio |
0.27-0.30 |
25 |
|
|
Elastic Modulus (GPa) |
190-210 |
25 |
|
|
Tensile Strength (Mpa) |
1158 |
25 |
oil quenched, fine grained, tempered at 425°C |
|
Yield Strength (Mpa) |
1034 |
||
|
Elongation (%) |
15 |
||
|
Reduction in Area (%) |
53 |
||
|
Hardness (HB) |
335 |
25 |
oil quenched, fine grained, tempered at 425°C |
DIN17102 W St E 255 steel Thermal Property:
|
Properties |
Conditions |
||
|
T (°C) |
Treatment |
||
|
Thermal Conductivity (W/m-K) |
42.7 |
100 |
|
|
Specific Heat (J/kg-K) |
477 |
50-100 |
|
DIN17102 W St E 255 steel Physical Property:
|
Quantity |
Value |
Unit |
|
Thermal expansion |
16 - 17 |
e-6/K |
|
Thermal conductivity |
16 - 16 |
W/m.K |
|
Specific heat |
500 - 500 |
J/kg.K |
|
Melting temperature |
1370 - 1400 |
°C |
|
Service temperature |
0 - 500 |
°C |
|
Density |
8000 - 8000 |
kg/m3 |
|
Resistivity |
0.7 - 0.7 |
Ohm.mm2/m |
BEBON STEEL can offer DIN17102 W St E 255 steel. We registers hundreds of thousands of tons of ex-stock source on our spot trade flatform. If required, we can also offer chemical analysis, mechanical properties and other detailed information. If you are interested in DIN17102 W St E 255 steel, please contract BEBON STEEL.