1.din2448 seamless steel tube 2.material:Astm a 53/106/ API 5LA ... guide the development of product technolog orientation. Seamless Pipe Type din2448 seamless steel tubeSize1/2"-36"Wall thicknessSch5-Sch160XXSStandardASME B36. ... shipbuilding,smelting, aviation, power, foodstuff, papermaking, chemical, medical equipment, boiler heat, exchanger, gas metallurgy, etc.Min Order Quantity1 tonsDelivery Time25 ...