1. Usage: Our pipe fitting is suitable to pipelines conveying less-corrosive water, vapor, oil, air, gas, and other liquid alike materials. 2. Size: DN8~150mm (1/4"~6"), with equal or different diameters. 3. Mechanical Properties: Tensile Strength: 330MPa Elongation rate: 8% Hardness: HB150 4. Endurance: Testing Pressure: 2.5MPa for water leakage, 0.5MPa for gas leakage; Working Pressure: 1.6MPa for water. 5. Material: Malleable iron 6. Packing: In container