... PIPECan be 3PE COATING finishined,black painting,anti-rust OIL,or requested 1. Standard:API 5L GR X60,PSL1&22. ... ,ERW,SAWH, LSAW Welding,Hot rolled,cold drawn or formed7.Surface:oiled or blank painted to prevent rust8.marking:As per customers requirment9 ... .Packing:Bundles or seaworthy wooden case10.3PE coating Std: ...