440C Stainless Steel Balls

440C stainless steel balls have similar material strength and accuracy with AISI 52100 chrome steel balls. These balls are widely used in stainless steel bearings, valves, pumps, petroleum, navigation etc.

Product Details

440C stainless steel balls have similar material strength and accuracy with AISI 52100 chrome steel balls. Besides, the material of 440C stainless steel ball resist corrosion from water, food, alcohol, organic materials and many petroleum products. Thus, 440C stainless steel ball is usually used in industries that require high accuracy and rust prevention performance, such as aviation, aerospace, bearings, motors, high-precision instruments, valves, petroleum, etc..

440C STAINLESS STEEL BALL

Size range

0.50mm (0.02") up to 50.8mm (2")

Grades

G3, G5, G10, G16, G20, G24, G28, G40, G60, G100, G200

Hardness

HRC 58 Min.

 

MATERIAL CONVERSION

GB (China)

9Cr18Mo

ASTM/AISI (USA)

440C

JIS (Japan)

SUS440C

 

CHEMICAL COMPOSITION

STEEL NUMBER

440C

Carbon (C)

0.95% - 1.10%

Silicon (Si)

0.8% Max.

Manganese (Mn)

0.8% Max.

Phosphorous (P)

0.035% Max.

Sulphur (S)

0.03% Max

Nickel (Ni)

3%

Chromium (Cr)

16% - 18%

 

PHYSICAL CHARACTERISTICS

Tensile strength

285,000 psi

Yield strength

275,000 psi

Modulus of Elasticity

29,000,000 psi

Density

0.277 lbs/in3

Corrosion resistance

Yes, comparison details as below chart.

Magnetic

Yes

 

APPLICATION

Bearings, stamping / hydraulic parts, valves, seals refrigeration equipment, aerospace high-precision mechanical parts, crafts, toys,etc.

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