Standard: AISI, ASTM, DIN, EN, JIS Place of Origin: China Brand Name: KWKSTEEL Model Number: ASTM/ASME Type: Seamless Steel Grade: 300 Series Application: Boiler/ heat exchanger Certification: ISO Welding Line Type: Seamless/Welded Shape: Round Pipe Tube OD: 3.0-608mm Wall thickness: 0.05-120mm Length: Customers' Requirement Payment terms: T/T Price term: FOB CIF CFR Market: Global