High-strength boiler steel plate Q370R should normally be normalized and heat-treated when rolled. All pressure vessel steel plates shall be ultrasonically inspected.
GB713 Q370R pressure vessel and boiler steel plate is used for pressure vessels, boilers, tanks and heat exchangers in oil and gas projects.
GB713 Q370R steel Chemical composition:
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Main chemical elements composition of Q370R |
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|
C |
P |
S |
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|
0.18 |
0.55 |
1.20-1.60 |
0.025 |
0.015 |
0.015-0.050 |
GB713 Q370R steel Mechanical Property:
|
Q370R |
> 3 Less than or equal to 16 |
> 16 Less than or equal to 36 |
> 36 Less than or equal to 60 |
>60 Less than or equal to 100 |
>100 Less than or equal to 150 |
>150 |
|
370 |
360 |
340 |
340 |
340 |
340 |
|
|
530-630 |
520-620 |
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