GB3531 15MnNiDR steel is a alloy pressure vessel steel with specified elevated temperature properties. The grades of molybdenum steel (Mo steel) and chromium molybdenum steel (Cr-Mo steel) are denoted by the average carbon content, alloy element letter and the capital letter of Chinese characters “R” pressure vessel (Rong), for instance,
15CrMoR.
Standard: GB3531
Main steel grades: q245r, Q345R, Q370R, 15CrMoR, 15MnNiDR, 14Cr1MoR, 13MnNiMoR, 12Cr1MoVR
GB3531 15MnNiDR steel chemical composition
|
Grade |
C |
Si |
Mn |
Ni |
V |
|
15MnNiDR |
≤0.18 |
0.15-0.50 |
1.2-1.6 |
0.20-1.60 |
≤0.06 |
|
Nb |
Alt |
P |
S |
- |
|
- |
≥0.20 |
≤0.025 |
≤0.012 |
- |
GB3531 15MnNiDR steel mechanical properties
|
Grade |
Thickness |
Tensile strength |
Yield strength |
Elongation % |
Impacting Test |
|
Temperature |
V |
|
15MnNiDR |
6-16 |
490-620 |
≥325 |
20 |
-45 |
≥34 |
|
16-36 |
480-610 |
≥315 |
|
36-60 |
470-600 |
≥305 |
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 15MnNiDR steel plates, 15MnNiDR hot rolled flats, or 15MnNiDR heavy plates, we sincerely invite you to visit factory. We will pick you up at the airport if you tell us your schedule.
