Metallic O-Ring Gasket 1.shape:Octagonal, Oval or lens 2.type:R ... 3.Material:carbon steel, soft iron, inconel600, M-400 Metallic O-Ring Gasket1.shape: Octagonal, Oval or lens2.type: R,BX,RX ... to customer's requirements and specific drawings.Besides, our ring joint gasket could seal your products perfectly.our production is ... with API Standard and meet our customer's demands. Metallic O-Ring Gasket