... Deg 3/8 In, NPT, Galvanized Malleable Iron 1.ISO,SGS 2.1/8"-6" 3.Connection:NPT threads 5.Standard,Heavy ... . Our products are of qualified material, in good finish, well mechanical property, competitive price, they are highly appreciated and well sold ... /cm2Working Pressure:16kg/cm2Chemical PropertiesC:2.4~2.9 %Si:1.2~1.7 %Mn:0.3~0.55 %P:0.12 ...