Taian Xinyuan Precision Steel Ball Manufacturing Co., Ltd.

China Manufacturer with main products: Chrome Steel Ball, Stainless Steel Ball, Carbon Steel Ball, Ceramic Ball, Copper Ball, Brass Ball, Glass Ball, Flying Saucer Ball

Home  >Products Catalog > Stainless Steel Balls, AISI 304/302 for Couplings, Rockwell C 25-39

Stainless Steel Balls, AISI 304/302 for Couplings, Rockwell C 25-39

Supply Ability: 300 Ton(s) per Month
Payment Terms: T/T
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Shandong in China
Packaging Details: steel drums, wooden pallet

Quick Details

  • Brand Name: XYB
  • Certification: ROHS
  • Application: valves, bearing, spray, roller, toys, etc.
  • Grade: G10-G1000
  • Model Number: XYB---AISI304/302
  • Hardness: 25-39 HRC
  • Diameter: 1.588mm to 50.8mm


Taian Xinyuan Precision Steel Ball Manufacturing Co.,Ltd
Stainless Steel Balls AISI 304302 for Couplings Rockwell C 2539
Precision AISI 304/302 stainless steel balls  are used when conditions require corrosion performance and toughness not available in hard enable stainless steels

Principal applications are in couplings, valves and pumps


Low magnetic permeability: annealed, 1.003, cold worked, 1.10, severely cold worked, 10.0
High tensile strength at elevated temperature
18-8 stainless steel work-hardens rapidly
AISI 304/302 stainless steel balls of this material are passivated

Corrosion resistance

Type 18-8 stainless steel balls resist attack by oxidizing solutions, foodstuffs, sterilizing solution and most organic chemicals
They are susceptible to attack by halogen acids and moderately resistant to the sulphur acids

Typical hardness

Annealed: Rockwell B 75-95
Not annealed: Rockwell C 25-39

Ball sizes

Available in sizes from 7mm to 63.5mm in grades 50 through 1000

Carbon Nickel Chromium Manganese Silicone  Phosphorus Sulfur
0.08% max 8-10.5% 18-20% 2.0% 1.0% 0.0045% 0.30% max

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