1. Grade: astm a106b , jis g3456 , din 17175st45.8, gb 5310 20g, gb 6479 20g 2. Size: 3-200mm 3. Standard: astm, aisi, jis, din, gb, en Product name Api 5l seamless carbon steel pipe Material Seamless carbon steel pip Surface Black painted, pe coated Standard Din gb iso jis astm Grade Astm a106b , jis g3456 , din 17175st45.8, gb 5310 20g, gb 6479 20g Thickness 0.3-200mm Width 1000mm, 1220mm, 1500mm or as required Length 2000mm, 2400mm, 4000mm, or as required.