... :Elbows, seamless and welded, LR & SRSize:1/2" - 80" for welded, 1/2"-24" for seamlessStandards:GB /ASTM / ASME / DIN / JISMaterials:Carbon steel ... customer's requirementQuality: First gradeProductivity: 1,118,000T/YApplications Range:for use in the petroleum, smelting, foodstuff, power, papermaking, chemical,medical ...