laminate floor covering

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

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