Pipe fitting Elbow, tee, reducer, cap, bend Material: Alloy steel Standard: ASME/ANSI Size: 1/2"-60", Sch10s-Schxxs Steel butt weld pipe ... power, boiler, heat exchanger, metallurgy, refinery, machinery, steel fabrication, shipbuilding, water disposal ,construction, aviation, textile, etc.3. Certificate: ISO9001 Quality System4 ... to visit our factories and have business talk. Alloy steel pipe fitting