... , Natural Gas & Petroleum Industries; Chemical & Fertilizer Industries etc.1) Pipe Fitting: Seamless and Welded2) Size: 1/2" - 72"3) ... also produce according to the customer requirement.2Supercritical thick wall pipe fittingMaterial : ASTM A335 GRADE P91, P92, WB36,B70 ... according to the customer requirement.3Ultra supercritical thick wall pipe fittingMaterial :ASTM A335 GRADE P92 ID≤1016.we can ...