... steel,alloy steel,carbon steel 2. Size range: FROM 1/2" TO 106" 3.Pressure: Sch5--Sch160,XXS 4. STANDARDS ... 5. CE and certification: ISO9001:2000, API, BV, SGS, LOIYD 6. Applications range: "Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction ... Caps, Stub EndsSize RangeFrom ½” up to 106” From 1/2 to 36 (Seamless Pipe Fittings),Form16 to 106(Seam Pipe Fittings)ScheduleSCH STD ...