Grade Manufacturing execution standards
Q245R GB/T 713.2-2023
Q345R GB/T 713.2-2023
Q370R GB/T 713.2-2023
Q420R GB/T 713.2-2023
Q460R GB/T 713.2-2023
18MnMoNbR GB/T 713.2-2023
13MnNiMoR GB/T 713.2-2023
15CrMoR GB/T 713.2-2023
14Cr1MoR GB/T 713.2-2023
12Cr2MolR GB/T 713.2-2023
12Cr1MoVR GB/T 713.2-2023
12Cr2Mo1VR GB/T 713.2-2023
   
   
16MnDR GB/T 713.3-2023
09MnNiDR GB/T 713.3-2023