... 2.Better efficiency 3.Flawless performance TypeASME B16.11 Nickel Alloy Forged FittingssizeForged fittings 1/2"-4"thickness2000Lbs, 3000Lbs,6000Lbs,9000lbstandardASME B16 ... S31803, A182, F43, A276 S32750,A705 631,632,A961, A484, Alloy steel(ASTM A694 F42,F46,F52,F56,F60,F65,F70 ...