... : Manufacturer Certificate: ISO, ASME, HSE. Detailed Product Description Monolithic Insulating joint 1)Material: CS,SS AS 2)Size:1/2"-60" 3 ... , ASME Certificate and U stamp Deatiled production description Monolithic Insulating joint1, Pup material: API 5L Gr.B, X42, X46, X52, X56, X60 ...