16MnR
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

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