Stainless Steel (AISI 304)
Stainless steel balls come in various types, including AISI 304, AISI 316, AISI 316L, AISI 420, AISI 420C, AISI 440, and AISI 440C. AISI 304 steel balls have low hardness but excellent corrosion resistance, suitable for applications involving corrosion, dyes, food processing, valves, and sex products.
Our factory's AISI 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.
Offer enhanced corrosion resistance, along with excellent resistance to sulfuric compounds.
Commonly used for valves and jewelry purposes.
Our factory's AISI 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 in all applications requiring corrosion resistance.
Bearings, valves, writing instruments, food environment, fresh water, many types of oil, corrosion-resistant
Products and weakly acidic environments. AISI 420 is also magnetic.
Our factory's AISI 420 stainless steel balls:
Minimum Diameter: 1.2mm
Accuracy: G10
Hardness: HRc52
Stainless Steel (AISI 420C)
AISI type stainless steel balls offer the advantages of maximum hardness and corrosion resistance.
Characteristics: The hardness range of the 420C ball 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's AISI 420C stainless steel balls:
Minimum Diameter: 1.2mm
Accuracy: G10
Hardness: HRc52
Stainless Steel (AISI 440)
AISI 440 stainless steel ball bearings are widely used in applications requiring hardness and dimensional stability.
Corrosion and toughness resistance. The 440 ball can withstand corrosion from fresh water, steam, crude oil, gasoline, and sweat.
Alcohol, blood, and food. Maximum corrosion and rust resistance is achieved only when all 440 balls are fully hardened.
Surface polished to high luster. The 440 ball is also magnetic.
Our factory's AISI 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.
So the 440C steel ball is commonly used in bearings, valves, and so on.
Our factory's AISI 440C stainless steel balls:
Minimum Diameter: 1.2mm
Accuracy: G10
Hardness: HRc60-67
Offshore Price: Negotiable
Supply Capacity:160tons/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
Precision Grade:G10
Material Characteristics: Low-alloy martensitic chrome 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, drive shaft), Bicycles, Mixers, Electrical Appliances, Sliders, Quick Connectors, Machine Tools, 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 |
Materials | 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 ballAISI52100 | ||||||||
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 Steel420 And420C |
Grade | G10-G1000 |
Surface | Zero defects, clean |
Dimensions | 1.5-25.4mm |
Sample | Free Samples |
Applied | Special bearings, anti-friction bearings, special pumps, ball races, lighters, pens, car seat belts and components. |
Features | Martensitic hardened stainless steel balls, offering excellent hardness, corrosion resistance, wear resistance, and durability. Balls are supplied in passivated condition. |
Corrosion resistance | It exhibits excellent corrosion resistance in industrial atmospheres, freshwater, steam, alcohol, ammonia, several oil field products, organic compounds, dairy products, and weak acid environments. It appears pale yellow in food and alkaline solutions. Fair salt atmosphere. It is not resistant to 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 | |
Material | Stainless steel440 And440C |
Grade | G10-G1000 |
Surface | Zero defects, clean |
Dimensions | 2.381-25.4mm |
Samples | Free Samples |
Application | Precision bearings, anti-friction bearings, special valves, conveyor belts and drums, ballpoint pens. They are used in food processing, quick connectors, circulating ball bearings, knotting devices, and refining equipment. |
Features | Martensitic hardened stainless steel balls, known for their high hardness, wear resistance, surface finish, and narrow size tolerance. Due to these reasons, this steel is often used in precision equipment. Balls are provided in passivated condition. |
Corrosion resistance | This material exhibits corrosion resistance when in contact with fresh water, steam, oil, gasoline, and alcohol. It is subject to pitting corrosion in marine environments. It has 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 (%) （无中文内容） | 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 undergo a final inspection, where surface roughness, roundness, waviness, batch dimensions, and hardness are checked in a precise laboratory, according to the specified control plan and dock inspection procedures. Upon meeting all requirements, a test certificate will be prepared for the customer. Our precise 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 |
Application | 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 toAISI 304 Ball bearings (with slightly higher mechanical properties). Balls are supplied in a passivated state. |
Corrosion resistance | Excellent corrosion resistance, resistance to oxidizing solutions of organic substances, sterilization solutions. Good resistance to atmospheric corrosion and dyes. They can 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 |
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 | |
Materials | Stainless Steel304 |
Grade | G100-G1000 |
Surface | Zero defects, clean |
Dimensions | 2.381-12.7mm |
Samples | Free Samples |
Application | Special bearings and pumps, aerosol pumps, garden and household sprayers, perfume micro-pumps, seams, application valves, agricultural backpack sprayers. They are used in the food, aerospace, and military industries. |
Features | Unhardened Austenitic stainless steel balls, displaying excellent mechanical properties, toughness, and corrosion resistance.AISI 304L Offer lower carbon content.AISI 302Enhanced mechanical properties. Balls supplied in a passivated state. |
Corrosion resistance | Excellent corrosion resistance, resistance to oxidizing solutions of organic substances, disinfectant solutions. Good resistance to atmospheric corrosion and dyes. Pitting and crevice corrosion occur 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 |
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 | |
Materials | Stainless Steel316 |
Grade | G100-G1000 |
Surface | Zero defects, clean |
Dimensions | 2.381-12.7mm |
Samples | Free Samples |
Applied | Camera equipment, quick connectors, ball joints, ink cartridges, jewelry, special bearings, pumps and valves, aerosol and dispenser sprays. Used in food, papermaking, chemicals, rubber, military, and textile industries. |
Features | Austenitic stainless steel steel balls have superior corrosion resistance toAISI 304 Steel balls. They exhibit excellent toughness.AISI 316L Low carbon content (highest)0,030%The ball is provided in a passivated state. |
Corrosion resistance | Excellent corrosion resistance, with good resistance to organic substances (acetic acid, phosphoric acid, sulfuric acid). They are prone to 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 contact with hydrochloric acid, hydrofluoric acid, aqua regia, iron, and magnesium chloride. |
Certification | ISO 9100;2008SGS |
Packaging | Boxes, cardboard boxes, wooden pallets |
Material
AISI 316 & 316L Stainless Steel | |||||||||
Material Specifications | 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 | |||||||||
