GB713 Q370R steel is a alloy pressure vessel steel with specified elevated temperature properties. Q370R steel is Chinese carbon and low-alloy high strength structural steel, material density is 7.85 g/cm³.
The grades of carbon steel and low-alloy high strength steel are denoted by the yield strength, the Capital letter of Chinese characters “Q”(Qu), “R” pressure vessel(Rong), such as Q345R.
Standard: GB 713-2014
Main steel grades: q245r, Q370R, Q370R, 15CrMoR, 18MnMoNbR, 14Cr1MoR, 13MnNiMoR, 12Cr1MoVR
Use: steel plates for boilers and pressure vessels
Grade |
C |
Si |
Mn |
Cu |
Ni |
Cr |
Mo |
Q370R |
≤0.18 |
≤0.55 |
1.20-1.70 |
≤0.30 |
≤0.30 |
≤0.30 |
≤0.08 |
Nb |
V |
Ti |
Alt |
P |
S |
- |
|
0.015-0.05 |
≤0.1 |
≤0.03 |
- |
≤0.020 |
≤0.01 |
|
Grade |
Thickness |
Tensile strength |
Yield strength |
Elongation % |
Impacting Test |
|
Temperature |
V |
|||||
Q370R |
3-16 |
530-630 |
370 |
20 |
-20 |
47 |
16-36 |
360 |
|||||
36-60 |
520-620 |
340 |
||||
60-100 |
510-610 |
330 |
20 |
|||
100-150 |
- |
- |
||||
150-250 |
- |
- |
Q370R steel plates can be delivered by theoretical weight. When delivered by theoretical weight, the theoretical thickness for weight calculation is the sum of permissible maximum thickness of steel plate plus the airthmetic average of the minimum thickness. The Q370R steel plate density is 7.85g/cm³ for calculations.
Shanghai Katalor Enterprise is located in Pudong district of Shanghai city. It is only 30 minutes from Pudong International airport to our company. If you need GB713 Q370R steel plates, Q370R hot rolled flats, or Q370R heavy plates, we sincerely invite you to visit factory. We will pick you up at the airport if you tell us your schedule.