Seamless Carbon Steel PipesStandard: ASTM, API, ASME & ANSIMaterial: ASTM 106, ASTM A 333, API 5L & API 5CTSize:NPS � ~ 48" (DN 15 ~ DN 1200)SCH 20 ~ SCH 160 Length 6 M ~ 12 MProtection: Pipes are externally varnished with black or clear lacquerPipes are protected from rust actions by Oiling processPipes ends are protected by plastic capsMarking:Pipes are supplied with marking according to the standard requirements.Marking is either painted or stenciled on the ends of pipes. Marking text includesThe Heat Numbers, Nominal Sizes & API Monogram.