... ASME B 31.8 Business Type: Manufacturer Detailed Product Description Monolithic Insulating joint 1)Material: CS,SS AS 2)Size:1/2"-60 ... :2008, ASME Certificate and U stamp Deatiled production description Monolithic Insulating joint1, Pup material: API 5L Gr.B, X42, X46, X52, X56, X60 ...