... ~60mm Standards:ASTM A53/ASTM A106/API 5L/API 5CT/JISG3452 /JISG3454/DIN1629 Gr.A25,A25P,A,B Seamless pipeOD:Various from 3/4 ... #, 16Mn, A25,A25P,A,B,X42,X46, X52,X56,X60,X70 C20, C45, St52, GB8162, GB8163, GB9711.1-1997, GB3087 Standards ... pipes. Such as seamless steel pipe, welded pipe, galvanized pipe, square tube, ERW pipe and fittings, please feel free to contact us. API 5L ...