
GB STANDARD PRESSURE VESSEL STEEL
Standard Specification for Pressure Vessel Plates, Carbon Steel, for Moderate- and Lower-Temperature Service
GB GRADE
GB713Q245R,Q345R,Q370R,18MnMoNbR,13MnNiMoR,
5CrMoR,14Cr1MoR,12Cr2Mo1R,12Cr1MoVR GB3531 16MnDR,15MnNiDR,09MnNiDR |
GB |