Guokun Casting is the global China sand casting factory, manufacturer, supplier and exporter of iron elbow, malleable iron pipe fittings, Iron pipe & fittings, cast iron elbow, cast iron 90 degree elbow, plumbing fittings, reducing 90°degree, black iron fittings, black iron elbow, black malleable iron pipe fittings, pipe elbow fittings, cast ironn 60 degree elbow pipe fittings.
Iron Pipe Fittings material:
Gray iron pipe fittings: ASTM A48/48M, ASTM A159, BS EN 1561, DIN 1691, etc
Ductile iron pipe fittings: ASTM A536, BS EN 1563, GB/T 1348-1988, etc
Iron pipe fittings casting process:
Sand casting, resin sand casting, shell mold casting or DISA line