Api 5l lined pipe cover seamless or welded carbon steel line pipe which suitable for use in conveying gas and oil industry. Api 5l erw steel pipe is very common steel grade, usually for psl1 gr b pipe. Materials: api 5l psl1 grade x42 , a , b , x46, x52 , x56 , x60 line pipe. Dimension: 1)seamless Od:21.3-508mm wt:2-60mm 2)hfw/erw Od:21.3-508mm wt:3.2-15.9mm 3)lsaw Od:406.4-1422mm wt:6.4-44.5mm 4)ssaw Od:219.1-2540mm wt:5.4-25.4mm Coated: external fbe/2pp/3pp/2pe/3pe coated, internal epoxy resin primer lined line pipe according to din30670/din30671 standard.