... Elbow 1. Material: stainless steel,alloy steel,carbon steel 2. Size range: FROM 1/2" TO 72" 3.Pressure: Sch5--Sch160,XXS ... and certification: ISO9001:2000, API, BV, SGS, LOIYD 6. Applications range: Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, water and nuclear ... can supply IBR fittings and Specialized NACE & HIC Fittings. Large Size Elbow