API 30'' hot expand carbon seamless steel pipe Size:3/8"-32"*SCH10-SCHXXS Standard:DIN,JIS,ASTM, ... GRB.X42.X52.X60.X70 PackagingPainting black, cap, In bundle.Applications range petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment, aviation ... under the ISO9001:2000 strictly. API 30'' hot expand carbon seamless steel pipe