Tel : 0086-021-60880117
Tel : 0086-021-60880117
ASTM A302 Grade D steel plate grade specification covers molybdenum alloy, intended particularly of welded boilers and others pressure vessels steel plate in A302 Gr A, A302 Gr B , A 302 Gr C and A 302 Gr D.
Standard: ASTM A-302/A-302M
Dimension range :1.5mm -260mm x 1000mm-4000mm x 1000mm-18000mm
A302 Grade D steel plate/shee Mechanical Properties :
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Mechanical Properties
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|
Grade |
Thickness |
Yield Strength |
Tensile Strength |
Elongation |
Charpy V Notch Impact Test |
|
|
Degree |
Min Value |
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A302 Gr.D |
mm |
Min Mpa |
Mpa |
Min % |
- |
J |
|
5≤t≤50 |
345 |
550-690 |
20% |
- |
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50≤t≤200 |
345 |
550-690 |
17% |
|
|
|
|
Note: Impact energy for impact test is on longitudinal |
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ASTM A302 Grade 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 |
Al |
N |
|
|
A302 Gr.D |
0.20-0.25 |
0.13–0.45 |
1.07-1.62 |
0,035 |
0,035 |
|
|
|
Nb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
|
|
|
|
|
|
|
0.67-1.03 |
0.41–0.64 |
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Delivery Status : Normalizing + tempering or tempering state
A302 Grade D structural steel plate application:
A302 Grade D steel is widely used in petroleum, chemical, power station, boiler and other industries, for the manufacture of reactor, heat exchanger, separator, spherical tank, paint tank, Oil gas cylinders, high-pressure water pipe hydropower stations, water turbines and other equipment and components.
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