Tel : 0086-021-60880117
Tel : 0086-021-60880117
ASTM A255 Gr.D steel is characterised by a minimum yield strength of 275 - 460 MPa , by good weldability and high resistance to brittle cracking.
Standard: ASTM
Dimension range : 5-300mm * 1500-4200mm * 4000-18000mm
A255 Gr.D structural steel plate Mechanical Properties :
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Mechanical Properties
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Grade |
Thickness |
Yield |
Tensile Strength |
Elongation |
Charpy V Notch Impact Test |
|
|
Degree |
Min Value |
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A255 Gr.D |
mm |
Min Mpa |
Mpa |
Min % |
- |
J |
|
5≤t≤50 |
345 |
485-620 |
18-22% |
- |
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Note: Impact energy for impact test is on longitudinal |
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ASTM A255 Gr.D Boiler steel plate Chemical Composition :
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Chemical Composition
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Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
Mo |
Cu |
Ni |
Cr |
|
|
A255 Gr.D |
0.24 |
0.15-0.50 |
0.70-1.35 |
0.035 |
0.035 |
0.08 |
0.35 |
0.25 |
0.25 |
Delivery Status : Normalizing + tempering or tempering state
A255 Gr.D steel plate/sheet application :
ASTM A255 Gr.D pressure vessel steel is widely used in petroleum, chemical industry, power station, boiler, etc, used to make the reactor, heat exchanger, separator, spherical tank, liquefied gas, nuclear reactor pressure vessel, boiler steam drum steam, liquefied petroleum, hydropower station, high pressure pipe.
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