... .0-PN42.0 Ring joint,RX gaskets high pressure1.Type: R,BX,RX,IX2 Shape: octagonal, oval, lens3.Size:R11-105 ... HG20612 HG206337.Material: carbon steel, soft iron, inconel600, M-400, C-276, 10#,ss316,ss304.8.Application: W/N flange, gate ... valve, oil&gas industry, oil christmas tree, wellhead assembly9.Hardness and Temperaturematerialmax hardness ...