... API oil casing pipe Advantage1. High precision in size and shape2. Good low temperature toughness3. ... , ASTM, BS, DIN, GB, JISMaterialA25,A,B,X42,X46,X52,X56,X60,X65,X70 ... In case you have anything that I can do for you ,please email us,leave a message or give me a call. I ... will reply you soon and wish to establish a ...