6000psi socket weld tee,forged steel pipe fittings size: 1/8"---4" thread:NPT,BSPT,BSPP ... :S.S,C.S pressure:3000/6000p Features for forged steel pipe fittings :1)Nominal Diameter: 1/8"-- 4" 2)Nominal ... Medium: Water, Steam, Petroleum,etc.4)Materials: forged steel A105, 321, 304, 304L, 316, 316L, 15CrMo, 12Cr1MoV5)Mode of connection: socket weld connection