1) Size: 1/2" to 4" 2) Working Pressure: 1.6MPa 3) Materials: malleable iron 4) Plating Procedures: hot-dip galvanizing 4) Tensile Strength: ≧330MPa 5) Elongation rate: ≧8% 6) Hardness: ≦HB150 7) Application: Suitable for connection of general pipelines such as water, oil, air, gas, steam, etc.