Engineering Machinery (Wear) Parts
Applied Area：1045 carbon steel ball is widely used in automotive fittings, avigation, harware tools, chemical industry, craftworks, bearings, chain wheel and so on.
Capability：It is magnetic, the HRC is 58-65, he frictional resistance is strong.
Applied Area： 1010/1015 carbon steel ball is an ordinary steel ball, it has low price, high precision and wide use. It is used in bicycle, bearings, chain wheel, craftworks, shelf, versatile ball, bags, small hardware. It can also be used for rubbing other medium.
Speciality: It is magnetic, it must be plated when it is out of surface, it can be plated with zinc, glod, nickle, chrome and so on. The frictional resistance is strong, the HRC is 50-55.
Comparison： The frictional resistance and hardness is worse than bearing steel ball (the HRC of GCR15 steel ball is 60-66), so the working life is shorter.
Applied Area： 440C stainless steel ball is used in the industries of high precision and antirust: avigation, bearings, valve, petroleum facilities and so on.
Capability： It is very hard to produce 440C stainless steel ball, the heat treatment is complicated, it is easy to split, the precision must be high, it is the most rigid, HRC≧58. Its hardness is close to bearing steel ball, but it is more antirust and anticorrosive than the bearing steel ball.
Comparison： 440C stainless steel ball is more antirust and anticorrosive than 440 stainless steel ball. The frictional resistance is enhancing while the hardness is increasing.
Applied Area：420 stainless steel ball is used in the industries of high precision and antirust: motorcycle fittings, chain wheel, stainless steel bearings, plastic bearings, craftworks, valve, petroleum facilities and so on.
Speciality：It is also called stainless iron, it is magnetic and has good antirust capability. The HRC is 50-55.
Applied Area： 316 stainless steel ball is used in many special industries, such as iatrical instrument, chemical industry, avigation, scent bottle, sprayer, valve, nail polish, mobile phone fittings.
Speciality：Austenitic stainless steels, it is the best steel ball in the steel ball area, HRC≤26, its Capability is better than 304 stainless steel ball.
Comparison： 316L stainless steel ball is more soft and shining than 316 stainless steel ball and can be used in persons’ decoration.
Applied Area：304 stainless steel ball is the most widely used in the markets, it can be used in iatrical instrument, chemical industry, avigation, plastic hardware: scent bottle, sprayer, valve, nail polish, switch, washing machine, fridge, air condition, medicinal materials,automotive fittings, bearing, nursing bottle and so on.
Speciality：A representative of Austenitic stainless steel.it is nonmagnetic,but magnetic after rolling, and the magnetism can be taken out, HRC≤26. It has good antirust and anticorrosive capability.
Comparison：304HC stainless steel ball is softer and can be pocessed more easily than 304 stainless steel ball, while 304L stainless steel ball has stronger antirust and anticorrosive capability than the above two, It can be jointed easily.
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