... Diameter /Wall thickness --can be more Pipe ParametersOutside diameter(MM)Wall thickness(MM)Length(M)894.5-612954.5-6121024.5-6121084 ... -612168612180612194612203612219612140-2197-109-11140-21912-207-9Note: 10#, 20#3, 30#, 45#, 16MN, 27SIMN, 37MN5, 35MN2V, 42CRMO, 40CR and other kinds ... of MN steel and CR steel. 30 inch seamless steel pipe( GB T19001-2008 )