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Bulk Bearing Balls
#1
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 balls are widely used in stainless steel bearings, valves, pumps, petroleum, navigation etc.
440C STAINLESS STEEL BALL
Size range0.50mm (0.02") up to 50.8mm (2")
GradesG3, G5, G10, G16, G20, G24, G28, G40, G60, G100, G200
HardnessHRC 58 Min.


MATERIAL CONVERSION
GB (China)9Cr18Mo
ASTM/AISI (USA)440C
JIS (Japan)SUS440C


CHEMICAL COMPOSITION
STEEL NUMBER440C
Carbon ©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 strength285,000 psi
Yield strength275,000 psi
Modulus of Elasticity29,000,000 psi
Density0.277 lbs/in3
Corrosion resistanceYes, comparison details as below chart.
MagneticYes


APPLICATION
Bearings, Pumps, Valves etc.Bulk Bearing Balls
website:http://www.mzballs.com/steel-balls/


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