marineusedgood offer malleable iron pipe fittings galvanized & black, ductile iron grooved fittings and couplings.
Our products have below advantages:
Good appearance quality
The material is first grade of washed out sand to ensure that the surface finish, also has introduced the most advanced automatic sand mixing system and advanced testing instruments to ensure the quality.
Improve the mechanical properties
Compare with the EN 10242 standard, our malleable iron pipe fitting have higher performance. Marineusedgood "KTH-350-10" level products, the tensile strength can catch 350mPa, 17% higher than EN 10242 standard. (300mPa). The elongation can catch 10%, 67% higher than EN10242 standard (6%).
Pipe thread has strict requirments in accuracy. We keep the axis angle of thread in +-0.3°， 40% higher than the EN10242 standard. (+-0.5°）
Strict control the pipe thread shaft angle
Good air-tightness. we increase the air pressure test to above 0.6MPA.
High inspection costs to ensure the quality of each products. we exam all products one by one. Keep the qualified rate above 99.5%.