ASTM A442 gr.55, A442 gr.60 is a series of boilers and pressure vessel steel. Compare to ASTM A442 gr.55, A442 gr.60, the most important difference is their carbon content, but ASTM A442 gr.55, A442 gr.60 owns same mechanical properties.
The following is the A442 gr.55 and A442 gr.60 properties:
A442 gr.55 and A442 gr.60 chemical composition :
|
Grade |
C (max) |
Si |
Mn |
P (max) |
S (max) |
|
A442 gr.55 |
0.24 |
0.15-0.3 |
0.6-1.1 |
0.04 |
0.05 |
|
A442 gr.60 |
0.27 |
0.15-0.3 |
0.6-1.1 |
0.04 |
0.05 |
A442 gr.55,A442 gr.60 mechanical properties :
Grade |
Poisson's ratio |
Elastic modulus |
|
A442 gr.55 |
0.27-0.3 |
190-210 |
|
A442 gr.60 |
0.27-0.3 |
190-210 |
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