Defective Castings, Waste, Inferior Quality, Back Repaired
and Scrap Castings
The metal castings can not
meet the commonly used standards, or can not meet the requirements
in the purchase orders, then these castings should be taken as
rejects, defective products.
can be divided into waste castings, inferior-quality castings, back
repaired castings and scrap returns.
Waste castings means the metal castings can not meet the
requirements of purchase order, and can not be used functionally for
clients, or the castings can not be repaired or the repairing costs
are too much comparatively.
Inferior-quality castings means the metal casting have defects, such
as small amount sand inclusion
on the surfaces, but the defects will not affect the application of
castings. In other words, the castings are still useful. There are
many reasons caused the inferior-quality castings, such as casting
defects, mechanical damage during delivery, or machining problems.
Back repaired castings means the inferior-quality castings, which
are still worth to repairing. Welding is a normal repairing method
to metal castings, moreover, as for the pressure castings, vacuum -
impregnants is also a repairing method.
Scrap returns are actually the waste castings. These waste castings
could be re-collected by producers, and can be used as the raw
material of production.
Visual Defects of Iron Castings
Main Casting Products|
Cast Iron Plate
Manhole Cover Casting
Warping Head Casting
Ductile Iron Belt Pulley
Cast Iron Flywheel
Boiler Ash Door
Cast Iron Stove Grate
Cast Iron Brackets
Cast Iron Weight
Large Cast Steel Bracket
Cast Iron Drainage Pipe
Cast Iron Pipe Fittings
Burner Grates for Gas Stove
Grey Iron Counter Weight
Cast Iron Axle Support
Cast Iron Blocks
Cast Iron Truck Castings
Cast Iron Tractor Parts
Cast Iron Stove Parts
Pump Shell and Valve Body
Cast Iron Umbrella Base
Cast Iron Pan,