... 4 1/2 ",and the other Steel pipe and Pipeline is from 1/2 " to 30" Material including J55.K55 ... steel pipe we can hold OD from1/2”- 30”,Wall-thick is from SCH5-SCHXXS.Standard:ASME B36.10M-1996,API,ANSI ... 4 1/2 ",and the other Steel pipe and Pipeline is from 1/2 " to 30" Material including J55.K55 ... steel pipe we can hold OD from1/2”- 30”,Wall-thick is from SCH5-SCHXXS.Standard:ASME B36.10M-1996,API,ANSI ...