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ASME SA255 Gr.C 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
SA255 Gr.C structural steel plate Mechanical Properties :
Mechanical Properties
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Grade |
Thickness |
Yield |
Tensile Strength |
Elongation |
Charpy V Notch Impact Test |
|
Degree |
Min Value |
|||||
SA255 Gr.C |
mm |
Min Mpa |
Mpa |
Min % |
- |
J |
5≤t≤50 |
345 |
485-620 |
18-22% |
- |
||
Note: Impact energy for impact test is on longitudinal |
ASME SA255 Gr.C Boiler steel plate Chemical Composition :
Chemical Composition
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Grade |
The Element Max (%) |
||||||||
C |
Si |
Mn |
P |
S |
Mo |
Cu |
Ni |
Cr |
|
SA255 Gr.C |
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
SA255 Gr.C steel plate/sheet application :
ASME SA255 Gr.C 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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