... 4.Heavy/Standard/ M&F Equal Elbow 90 Deg , NPT,
Black Malleable Iron Specification:Male&Female, Equal, 90 Deg, Elbow, ... Connection NPT threads, Material of Construction
Black Malleable Iron,WOG (PSI) 300 At 150 Deg F, Saturated ... ANSI/ASME B16.3-85Threads: ANSI/ASME B1.20.1Mechanical
properties:Tensile Strength≥33kg/mm2Elongatin≥8%Hardness