... straight seamless steel pipe standard: ASTM/ASME,API,DIN,JIS,BS,SAE OD: 16MM- OD426MM Thickness: SCH10,SCH20,SCH40,SCH80 straight seamless steel pipeIn ... accordance with standard ASTM/ASME,API,DIN,JIS,BS,SAE and other ... standard,wide range of specification ,exporting experience for more than 20 ...