Shandong JinNai International Trade Co., Ltd.
Shandong JinNai International Trade Co., Ltd.
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ROHS Approved 9mm 10mm 15mm AISI304 Stainless Steel Balls for Food Grinding Balls
| Product name | SS solid ball 12mm 14mm 15mm stainless steel ball beads for bearing
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| Material | 304 | 316 | 420 | 440c
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| Haredness | HRC≤26 | HRC≤26 | HRC 50~55 | HRC≥58
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| Speciality | A representative of Austenitic stainless steel.it is nonmagnetic,but magnetic after rolling, and the magnetism can be taken out,It has good antirust and anticorrosive capability. | Austenitic stainless steels,It is the best steel ball in the steel ball area,its Capability is better than 304 stainless steel ball. | It is also called stainless iron,it is magnetic and has good antirust 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, Its hardness is close to bearing steel ball,but it is more antirust and anticorrosive than the bearing steel ball.
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| 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. | 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. | 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. | 440C stainless steel ball is used in the industry of high precision and antirust: avigation ,bearings, valve, petroleum and so on. |
Specification of stainless steel balls
| Material | Density | Hardness | Tensile Strength | Magnetic |
| 304 | 7.93 g/cm³ | 10~25 HRC | 80,000~180,000 psi | Non-magnetic |
| 316 | 7.98 g/cm³ | 10~25 HRC | 80,000~120,000 psi | Non-magnetic |
| 201 | 7.85 g/cm³ | 10~25 HRC | 53,000 psi | Non-magnetic |
| 420 | 7.75 g/cm³ | 48~55 HRC | 95,000~250,000 psi | Magnetic |
| 440 | 7.70 g/cm³ | 56~65 HRC | 275,000~285,000 psi | Magnetic |
AISI 304 steel balls
Feature: Austenitic, corrosion resistance, slightly magnetic, however annealing can make it non-magnetic
General Applications: Used in valves and relevant application, food products, aerosols, home sprays, perfumes and medical equipments.
AISI 316 stainless steel ball
Feature: non-magnetic, good corrosion resistance even when exposed to marine atmosphere and sulfuric acid.
General Applications: used in presence of sulphuric, phosphoric and acetic acides, Mainly used in chemical, paper and textile industries.
AISI 316L bearing balls
Feature: Characteristics same as 316 but with excellent corrosion resistance. Lower carbon content than regular 316.
General Applications: Especially used in Jewelry, and Human Implant Applications
AISI 420 metal balls
Feature: Magnetic, harden-able, fair corrosion resistance
General Applications: Used for special bearings and valves where balls requiring a combination of hardness and corrosion resistance
AISI 440C stainless steel beads
Feature: Magnetic, highest hardness, good corrosion resistance.
General Applications: Used in bearing, nozzles and valves where lubrication is poor or absent.
Application Of Steel Balls
Special bearings, pumps and valves, aerosol and dispenser sprayers. Utilised in the foodstuff, paper, chemical, rubber,
military, textile industry. Applications in photographic devices, medical instruments, quick couplings, recirculating balls,
ink cartridges, jewels.
Company Information
Jinnai Stainless Steel Ball Manufacture Co., Ltd is one of famous and professional stainless steel ball factory from china .
With over 20years history,our factory have good reputation from our customers and government,so our factory passed ISO9001:2008 and
our products got SGS,RHOS Certificates .
We mainly produce stainless steel ball (201, 304, 316, 420,420C,440C,430).
also produce chrome steel ball (AISI52100,100CR6,GCR15),
carbon steel ball(1015,1010,1045,1085),
copper brass balls, plastic ball,glass ball,Tungsten carbide ball, flying saucer ball, polishing media ball,ceramic ball,Aluminum ball
and other kinds of material ball.
We have the ability to provide many kinds of steel ball, of which accuracy range is G10-G1000,size 0.4mm-50.8mm.
Welcome to visit our factory and looking forwarder to cooperate with you !
Buyer Voice from our steel ball customers