The casting is usually a fine grain casting with a very fine-grained outer diameter, which is resistant to atmospheric corrosion, a typical situation with pipes.
这种铸件通常为外径处晶粒非常细小的细晶粒铸件，能耐大气腐蚀，典型的情况是管子。
2
Shell aluminum alloy die-casting molding, high strength, high voltage electrostatic powder coating, corrosion resistance.
外壳铝合金压铸成型，强度高，表面高压静电粉末喷涂，耐腐蚀。
3
To investigate the effect of titanium nitride coating on corrosion resistance of dental casting alloys.