Шар из нержавеющей стали AISI 304 316 420 440C 1 5

Shandong PT International Trade Co., Ltd  main prodcute stainless steel ball, we also produce carbon steel balls(1015,1045,1085), bearing steel balls(GCR15),copper balls, glass balls, titanium balls, flying saucer balls, polishing balls and other kinds of hard alloy balls. The product specification is complete. We produce according to the GB308-2002 standard and measure up to the international standard of ISO3290-1998,AFMBA1989 and DIN5401-93. We have the ability to provide many kinds of steel balls which accuracy range is level G10-level G1000.
 Our products have been widely applied in the hardware goods which form a complete set for the aviation and spaceflight industry, automobile trade, sprayer, stainless steel bearing, handicraft and precision instrument.

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Export Manager

Linda Yan

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AISI 440C Stainless steel ball 

Applied Area: 440C stainless steel ball is used in the industry of high precision and antirust: avigation ,bearings, valve, petroleum and so on.

Capability: It is very hard to produce 440C stainless steel ball,and there are few factory can produce,so the factory who can produce 440C material go by the name of exceptive stainless steel.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.

AISI304 Stainless steel ball 

Applied Area:304 stainless steel ball is the most widely used in the market, 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.

AISI316 Stainless steel ball 

Applied Area: 316 stainless steel ball is used in many special industry 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.

AISI420 Stainless steel ball 

Applied Area:420 stainless steel ball is used in the industry of high precision and antirust: motorcycle fittings, chain wheel,stainless steel bearings, plastic bearings, craftwork, valve, petroleum and so on.

Speciality:It is also called stainless iron,it is magnetic and has good antirust capability.The HRC is 50-55.

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