API 5L Line Pipe: Standard: API SPEC 5L Steel Grade: GR.B,X42,X52,X60,X65,X70 API 5L Pipe:1) Size: 1" to 80"2) Standard: API SPEC 5L3) Material: API 5L Gr.B,X42,X52,X60,X65,X704) Surface: oiled or black painted for anti-rust or Epoxy5) Inner packing: caps on both of ends to protect pipe Outer packing: bundles wrapped strong steel strip or according to buyer' reques