seamless carbon steel pipe: 1.material:Astm a 53/106/ API 5LA/ ... ,shipbuilding,smelting, aviation, power, foodstuff, papermaking, chemical, medical equipment, boiler heat, exchanger, gas metallurgy, etc.Min Order Quantity1 tonsDelivery Time25 ... yearOthers1.Special design available according to requirement2.anti-corrosion and high-temperature resistant with black painting3. All the production process ...