16MnR Pressure Vessel Steel
According to Chinese national standard GB 713-2008, 16Mng, 16MnR and 19Mng are renamed
Q345R. Please click the underlined
Q345R if you are interested in it.
Q345R is equal to ASTM A516/
A516M Grade 70 medium carbon steel.
Main chemical elements composition
C |
Si |
Mn |
P |
S |
≤0.20 |
0.20-0.55 |
1.20-1.60 |
≤0.035 |
≤0.030 |
Main mechanical properties
Thickness (mm) |
Tensile strength (MPa) |
Yield strength (MPa) |
3≤16 |
510-640 |
345 |
16≤36 |
500-630 |
325 |
36≤60 |
490-620 |
315 |
60≤100 |
305 |
100≤150 |
480-610 |
285 |
>150 |
470-600 |
265 |