Forged fittings vs Buttweld Fittings
While Buttweld Fittings are utilized for greater diameter pipe, forged fittings are utilized for pipe systems with dimensions less than 2 or 4 inches (4′′ for 2000#/3000# fittings and 2′′ for 6000#/9000# fittings). These two primary categories of forged steel parts are threaded fittings and socket weld fittings, that are welded to pipes using fillet welders. Forged steel pipe fittings fit ASME B36.10 and ASME B36.19 alloy steel, carbon steel, stainless steel, and high nickel alloy tubes of smaller diameter size are covered by the ASME B16.11, MSS SP 75, MSS SP 83, and MSS SP 95 requirements. The desired shape of forged steel fittings such as forged flanges etc is achieved through machining solid blocks of steel inside the tolerances set forth by the relevant requirements. However, seamless or welded steel pipes are required to be cut, bent, and curved in order to make buttweld fittings. Forged Fittings Types With bore sizes ranging from 1/8 to 4 inches and ratings ranging from 20...