Size: 1/2" - 72" Thickness: SCH20-XXS Material: carbon steel, alloy steel,stainless steel Qualification: ISO9001, API, CE, Size: ... " Thickness:SCH20, SCH30, SCH40, STD, SCH80, SCH100. SCH120, SCH160. XXSMaterial:carbon steel, alloy steel,stainless steelQualification: ISO9001, API, CE,Packing:wooden ... •36-88JB1157-82∼JB1160-82JB4700-2000∼JB4707-2000 blind flange