| Size | 3.5mm-5.0mm |
| Hardness | 51-53hrc |
| Grade | 300 Series, G10-G500 |
| Surface | Lapping |
| Feature | Corrosion Resistance |
440 STAINLESS BALLS, GRADE 100
Stainless Steel Balls 440C Grade 100 (0.0625") are widely used for antifriction bearings, valves, locking mechanisms, fasteners, and quick-disconnect couplings. Type 440C stainless steel provides maximum hardness, toughness, and dimensional stability – making these precision balls highly resistant to rolling-fatigue. Stainless 440C precision balls are used in a hardened condition, perform similarly to tool steels, and are ideal for antifriction bearings (rolling bearings).
Properties: Hardenable by heat treatment, maximum hardness, exnt toughness, exnt strength, superior dimensional stability, fair corrosion resistance, wear resistant, machinable, magnetic.
Common Uses: Precision ball bearings, valves, locking mechanisms, fasteners, quick-disconnect coupling
product details
Product Name | Stainless steel ball 440C(9Cr18Mo) | Stainless steel ball 420(3Cr13) | Stainless steel ball 304(Ocr19Ni9) | Stainless steel ball 316L(Ocr19Ni12MO2) | Stainless steel ball 201 |
Material | Stainless steel ball | Stainless steel ball | Stainless steel ball | Stainless steel ball | Stainless steel ball |
Size | 0.3mm-50.8mm | 0.3mm-38.1mm | 0.5mm-60.0mm | 0.5mm-50.8mm | 0.8mm-50.8mm |
Grade | G10-G500 | G10-G500 | G100-G1000 | G100-G1000 | G100-G1000 |
Hardness | 58-60 degree | 51-53 degree | Max 28 degree | Max 28 degree | Max 26 degree |
rust resistance | good | good | strong | The best anti-rust property | strong |
Corrosion resistance | good | good | good | The best corrosion resistance | good |
Magnetic | Have magnetic | Have magnetic | Non-magnetic | No magnetic | No magnetic |
Stainless steel ball 440C
Product Name | Stainless steel ball 440C(9Cr18Mo) | |||||||
Specification | Φ0.30mm—Φ50.8mm | |||||||
Grade | G10-G500 | |||||||
Feature | Martensitic steel,high precision,hardness reaches 58-60 degrees,magnetic, good corrosion resistance, rust resistance and wear resistance. | |||||||
Applications | Bearings, stamping/hydraulic parts,valves,aerospace,seals, refrigeration equipment, high-precision instruments. | |||||||
Chemical composition | C | Cr | Si | M n | P | S | Mo | Ni |
0.95-1.2 | 16.0-18.0 | 1.0 | 1.00MAX | 0.04 | 0.03 | 0.75MAX | 0.6MAX | |
Product Name | Stainless steel ball 304(Ocr19Ni9) | |||||||
Specification | Φ0.50mm—Φ60.0mm | |||||||
Grade | G100-G1000 | |||||||
Feature | Austenitic steel, hardness<=28 degrees, non-magnetic, strong rust resistance, good corrosion resistance. | |||||||
Applications | Valves, perfume bottles, nail polish bottles, auto parts, air conditioners and other household appliances. | |||||||
Chemical composition | C | Ni | Si | M n | P | S | Cr | Mo |
<=0.08 | 8.0-10.0 | <=1.0 | <=2.0 | 0.045 | 0.03 | 18.0-20.0 | ---- | |
Product Name | Stainless steel ball 316L(Ocr19Ni12MO2) | |||||||
Specification | Φ0.5mm—Φ50.8mm | |||||||
Grade | G100-G1000 | |||||||
Feature | Austenitic steel, the most suitable for industries with high corrosion requirements,hardness <=28 degrees, non-magnetic, strong ability to resist rust. | |||||||
Applications | Valves, perfume bottles, medical equipment, nail polish bottle, cosmetic packaging, air conditioners and other household appliances. | |||||||
Chemical composition | C | Ni | Si | M n | P | S | Cr | Mo |
<=0.08 | 12.0-15.0 | <=1.0 | <=2.0 | 0.045 | 0.03 | 16.0-18.0 | 2.0-3.0 | |
Stainless steel ball are Widely used in Automotive, Cosmetics,Construction, Consumer,Electronics,Medical, Heavy Equipment,body Jewelry areas . Such as:
- Steel balls for seat slides
-Balls for ball bearings
-Stainless steel ball agitators in nail polish mixing beads
-Stainless steel balls in pump
- Steel balls in ball screws
- Ball point pens and pen balls
- Balls for electrical
- Precision Balls for medical testing (breaking up tissue)
- Weight balls
- Balls in drilling equipment
All kinds of steel balls ,High precision steel balls ,Bearing steel balls.
All of our product can be customized!
The newest high quality 2.381mm 3mm 4mm 4.5mm 5mm 5.556mm 6.35mm polished stainless steel ball.
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