... , NPT, Galvanized Malleable Iron 1.ISO,SGS 2.1/
8"-6" 3.Connection:NPT threads 5.Standard,Heavy series Elbow ... 90 degree 3/
8 inch, NPT, Galvanized Malleable Iron Shijiazhuang Jizhong Malleable iron Co ... /ASME B16.3-85Threads: ANSI/ASME
B1.20.1Mechanical properties:Tensile Strength≥33kg/mm2Elongatin≥
8%Hardness