
Stainless Steel (AISI 304)
There are many types of stainless steel balls.AISI 304, AISI 316, AISI 316L, AISI 420, AISI 420C, AISI 440, AISI 440C. AISI 304 steel balls have moderate hardness and excellent corrosion resistance, suitable for applications such as corrosion, dye, food processing, valves, and sexual products.
Our factory'sAISI 304 Stainless Steel Balls
Minimum Diameter: 2mm
Accuracy:G100
Hardness:HRc25-39
Stainless Steel (AISI 316L)
The carbon content of AISI 316L stainless steel balls is lower than that of AISI 316 material.
Enhanced corrosion resistance, along with excellent resistance to sulfuric compounds.
Commonly used for valves and jewelry purposes.
Our factory'sAISI 316L steel ball:
Minimum Diameter: 2mm
Accuracy:G100
Hardness:HRc25-39
Stainless Steel (AISI 420)
AISI 420 features good hardness, excellent corrosion resistance, and strength, commonly used for all applications requiring corrosion resistance.
Bearings, valves, writing instruments, food environment, freshwater, many oils, etc., subjected to corrosion
Products and weakly acidic environments.AISI 420 is also magnetic.
Our factory'sAISI 420 Stainless Steel Balls
Minimum Diameter: 1.2mm
Accuracy:G10
Hardness:HRc52
Stainless Steel (AISI 420C)
AISI type stainless steel balls feature the advantages of high hardness and excellent corrosion resistance.
FeaturesThe hardness range of the 420C balls is slightly higher than that of the 420. Their excellent surface finish also makes them
Especially suitable for bearings, valves, and other harsh environment applications.
Our factory'sAISI 420C stainless steel ball:
Minimum Diameter: 1.2mm
Accuracy:G10
Hardness:HRc52
Stainless Steel (AISI 440)
AISI 440 type stainless steel ball bearings are widely used in applications requiring hardness and dimensional stability.
Corrosion resistance and toughness.440 ball can withstand corrosion from fresh water, steam, gasoline, and sweat.
Alcohol, blood, and food. Only when...440 balls must be fully hardened to achieve maximum corrosion and rust resistance.
Polished to a high-gloss finish.440 balls are also magnetic.
Our factory'sAISI 440 Stainless Steel Balls
Minimum Diameter: 1.2mm
Accuracy:G10
Hardness:HRc60-67
Stainless Steel (AISI 440C)
AISI 440C steel balls offer the highest strength and excellent corrosion resistance in stainless steel materials, and they also possess good hardness.
So440C ball bearings are commonly used in bearings, valves, and more.
Our factory'sAISI 440C Stainless Steel Balls
Minimum Diameter: 1.2mm
Accuracy:G10
Hardness:HRc60-67
Offshore Price: Negotiable
Supply Capacity:160ton/Month/ton
Minimum Order Quantity:20kg
Port: Shanghai
Payment Methods:L/C 、D/A 、D/P 、T/T、Western Union、Paypal
Dimensions:6.747mm 17/64''
Material:Gcr15
Hardness:HRC60-66
Accuracy Grade:G10
Material Characteristics: Low-alloy martensitic chromium steel, due to its high hardness, wear resistance, high surface finish, and high dimensional accuracy, is widely used in the manufacturing of mechanical components.
Applications: Precision Bearings, Auto Parts (Brakes, Steering, Propeller Shafts), Bicycles, Mixers, Electrical Appliances, Sliders, Quick Connectors, Machining Machines, Locks
Mechanical devices, conveyors, roller skates, pens, pumps, casters, measuring instruments, valves
Customer:√ Supplier √ Manufacturer √ Company √ Factory √ Distributor √ Agent √ End User
Marketing Regions: Asia, North America, Europe, South America
Product | 6.474mm 17/64'' G10 Chrome steel ball |
Material | AISI52100/Gcr15/100Cr6/SUJ-2 |
Grade | G10 |
Surface | Zero defects, clean |
Inspection | 99.9% inspection |
Samples | Free Samples |
Safety | ROHS |
Sales Model | Wholesale or Retail |
Certification | ISO 9100; IATF16949 |
Packaging | Four small boxes in one cardboard box. |
Chrome steel ball AISI52100 | ||||||||
Material Standards | Chemical Composition (%) | Hardness | ||||||
C | Cr | Ni | Si | Mn | P | S | ||
AISI52100 | 0.95-1.1 | 1.3-1.6 | / | ≤0.35 | 0.2-0.5 | ≤0.025 | ≤0.025 | HRC60-66 |
Dimensions:6.747mm PreciseGrade: G10 | ||||||||
Product | |
Materials | Stainless Steel 420 And 420C |
Grade | G10-G1000 |
Surface | Zero defects, clean |
Dimensions | 1.5-25.4mm |
Samples | Free Samples |
Application | Special bearings, anti-friction bearings, special pumps, ball bearings, lighters, pens, car seat belts and components. |
Features | Martensitic hardened stainless steel balls, featuring excellent hardness, corrosion resistance, wear resistance, and durability.The ball is provided in a钝化状态. |
Corrosion resistance | Excellent corrosion resistance in industrial atmospheres, freshwater, steam, alcohol, ammonia, several oil field products, organic compounds, dairy products, and mild acidic environments.It appears light yellow in food and alkaline solutions. Has a fair salt atmosphere. It resists contact with seawater and strong acids (even when diluted). |
Certification | ISO 9100;2008SGS |
Packaging | Boxes, cardboard boxes, wooden pallets |
Materials
AISI 420 & 420C Stainless Steel | |||||||||
Material Standards | Chemical Composition (%) | Hardness (measured on parallel planes) HRC) | |||||||
C | SI | Mn | P | S | Ni | Cr | Mo | ||
AISI 420 | ≤0.26-0.35 | ≤1.00 | ≤1.00 | ≤0.035 | ≤0.03 | ≤0.06 | 12-14 | ≤0.75 | HRC48-50 |
AISI 420C | ≤0.36-0.45 | ≤0.60 | ≤0.80 | ≤0.035 | ≤0.03 | ≤0.06 | 12-14 | - | HRC52-55 |
Dimensions:1.5-25.4mm Precision Grade: G10-G1000 | |||||||||
Product | |
Materials | Stainless Steel 440 And 440C |
Grade | G10-G1000 |
Surface | Zero defects, clean |
Dimensions | 2.381-25.4mm |
Samples | Free Samples |
Application | Precision bearings, friction-reducing bearings, special valves, conveyor belts and drums, ballpoint pens.They are used for food, quick connectors, circulating ball bearings, knotting devices, and refining equipment. |
Features | Martensitic hardened stainless steel balls, offering high hardness, wear resistance, surface finish, and narrow size tolerances.Due to this reason, the steel is often used in precision equipment. The balls are provided in a passivated state. |
Corrosion resistance | This material exhibits corrosion resistance when in contact with fresh water, steam, oil, gasoline, and alcohol.They are susceptible to pitting corrosion in marine environments. Poor resistance to acidity in acidic conditions. |
Certification | ISO 9100;2008SGS |
Packaging | Boxes, cardboard boxes, wooden pallets |
Materials
AISI 440 & 440C Stainless Steel | |||||||||
Material Standards | Chemical Composition (%) | Hardness (measured on parallel planes) HRC) | |||||||
C | SI | Mn | P | S | Ni | Cr | Mo | ||
AISI 440 | ≤0.9-1 | ≤0.80 | ≤0.80 | ≤0.035 | ≤0.03 | ≤0.06 | 17-19 | - | HRC56-58 |
AISI 440C | ≤0.95-1.1 | ≤0.80 | ≤0.80 | ≤0.035 | ≤0.03 | ≤0.06 | 16-18 | 0.4-0.7 | HRC58-60 |
Dimensions:2.381-25.4mm Precision Grade: G10-G1000 |
Quality Assurance
Prior to packaging, steel balls are sent for processing.Final audit involves inspecting surface roughness, roundness, waviness, batch dimensions, and hardness in our precise laboratory, following the specified control plans and dock audit procedures. Upon meeting all requirements, a test certificate will be prepared for the customer. Our state-of-the-art laboratory is equipped with high-precision, globally renowned machinery and equipment, managed by qualified personnel who have received appropriate training.
Product | |
Materials | Stainless Steel201 |
Grade | G100-G1000 |
Surface | Zero defects, clean |
Dimensions | 2.381-12.7mm |
Sample | Free Samples |
Applied | Special bearings, automotive parts, switches, die-casting equipment.They are widely used in the electronics industry. |
Features | Cr-Mn Stainless steel ball bearings, with performance similar to AISI 304 Ball bearings (slightly higher mechanical properties).The ball is provided in a钝化state. |
Corrosion resistance | Excellent corrosion resistance, for oxidizing solutions of organic substances, sterilizing solutions.Good resistance to atmospheric corrosion and dye. They can experience pitting and crevice corrosion in the presence of hot chloride solutions, when the temperature exceeds...60°C Stress corrosion can occur.They are not resistant to sulfuric acid solutions. |
Certification | ISO 9100;2008SGS |
Packaging | Boxes, cardboard boxes, wooden pallets |
AISI 201 Stainless Steel | |||||||||
Material Standards | Chemical Composition (%) | Hardness (measured on parallel planes) HRC) | |||||||
C | SI | Mn | P | S | Ni | Cr | Mo | ||
AISI 201 | 0.15 | ≤1.00 | ≤5.5-7.5 | ≤0.06 | ≤0.03 | 3.05-5.5 | 16-18 | - | HRC≤26 |
Dimensions:2.381-12.7mm Precision Grade: G100-G1000 | |||||||||
Product | |
Material | Stainless Steel 304 |
Grade | G100-G1000 |
Surface | Zero defects, clean |
Dimensions | 2.381-12.7mm |
Samples | Free Samples |
Application | Special bearings and pumps, mist pumps, garden and household sprayers, perfume micro pumps, seams, application valves, agricultural backpack sprayers.They are used in food, aerospace, and industrial applications. |
Features | Unhardened austenitic stainless steel balls, which exhibit excellent mechanical properties, toughness, and corrosion resistance. AISI 304L Offer lower carbon content.AISI 302Enhanced mechanical properties.The ball is provided in a passivated state. |
Corrosion resistance | Excellent corrosion resistance, oxidizing solutions for organic substances, sterilization solutions.Good resistance to atmospheric corrosion and dye. They may experience pitting and crevice corrosion in the presence of hot chloride solutions; when the temperature exceeds...60°C Stress corrosion may occur.They are not resistant to sulfuric acid solutions. |
Certification | ISO 9100;2008SGS |
Packaging | Boxes, cardboard boxes, wooden pallets |
Materials
AISI 304 & 304L Stainless Steel | |||||||||
Material Standards | Chemical Composition (%) | Hardness (measured on parallel planes) HRC) | |||||||
C | SI | Mn | P | S | Ni | Cr | Mo | ||
AISI 304L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 8-10.5 | 16-18 | - | HRC≤26 |
AISI 304 | ≤0.07 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 8-10 | 17-19 | - | |
Dimensions:2.381-12.7mm Precision Grade: G100-G1000 | |||||||||
Product | |
Material | Stainless Steel 316 |
Grade | G100-G1000 |
Surface | Zero defects, clean |
Dimensions | 2.381-12.7mm |
Sample | Free Samples |
Applicable | Photographic equipment, quick connectors, ball joints, ink cartridges, jewelry, special bearings, pumps and valves, aerosol and sprayer distributors.For food, papermaking, chemical, rubber, and textile industries |
Features | Austenitic stainless steel steel balls offer superior corrosion resistance properties than. AISI 304 Steel balls.They exhibit excellent resilience.AISI 316L Low in carbon contentHighest0,030%)。The ball is supplied in a钝化状态. |
Corrosion resistance | Excellent corrosion resistance, with good resistance to organic substances (acetic acid, phosphoric acid, sulfuric acid).They experience pitting and crevice corrosion in the presence of hot chloride solutions, when the temperature exceeds...60°C Stress corrosion can occur.They resist contact with hydrochloric acid, aqua regia, iron, and magnesium chloride. |
Certification | ISO 9100;2008SGS |
Packaging | Boxes, cardboard boxes, wooden pallets |
Material
AISI 316 & 316L Stainless Steel | |||||||||
Material Standards | Chemical Composition (%) | Hardness (measured on parallel planes) HRC) | |||||||
C | SI | Mn | P | S | Ni | Cr | Mo | ||
AISI 316L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.03 | 12-15 | 16-18 | 2.0-3.0 | HRC≤26 |
AISI 316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.03 | 10-14 | 16-18 | 2.0-3.0 | |
Dimensions:2.381-12.7mm Precision Grade: G100-G1000 | |||||||||





























