Usual forging process, the surface of the bright comparison; used mainly for fire hose, the hose connecting pipes, etc., often used in fire trucks, fire hydrant connection port at the connection.
The installation of a commonly used pipe fittings for the fixed pipeline.
density, bending strength, impact toughness, compressive strength, elastic modulus, tensile strength, temperature, color.
for the ground fixed (note that the geothermal ground or the location of the pipeline can not be fixed on the ground)
The living line does not take the gypsum line inside the ground to find the first pipe should be fixed.