... 2.5~60mm Standards:ASTM A53/ASTM A106/API 5L/API 5CT/JISG3452 /JISG3454/DIN1629 Gr.A,B,X42, ... GB8162, GB8163, GB9711.1-1997, GB3087 Standards:ASTM, API, JIS,DIN, BS,GB, CNSSurface: Varnish coating or according ... -Rolled or Cold-Drawn Payment Terms: T/T and L/CMin Order Qty: 5MTSupply Ability: 5000~8000MT ... square tube, ERW pipe and fittings, please feel free to contact us. API 5L/5CT ASTM A106 GR.B/A53 ...