TRD Specialties, Inc.Chrome Steel Balls, 52100
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440C Stainless Steel Balls

440C Stainless Steel Balls

AISI Type 440C balls are a martenistic-type stainless steel, which is used extensively in bearing applications that require corrosion-resisting properties. 440C balls are resistant to corrosion from fresh water, steam, crude oil, gasoline, perspiration, alcohol, blood and foodstuffs. Maximum resistance to corrosion and tarnishing is only achieved when 440C is fully hardened and surfaces are polished to a high luster. TRD provides 440C balls in vacuum melt condition upon request. Sizes are available in millimeters, inches and fractions.

440C Stainless Steel Balls Material Analysis
Carbon 0.95-1.20%
Chromium 16.0-18.0%
Silicon 1.00%
Manganese 1.0% Max.
Phosphorus 0.040%
Sulfur 0.030%
Molybdenum 0.075%

440C Stainless Steel Balls Mechanical Properties
Tensile Strength 285,000 psi
Yield Strength 275,000 psi
Modulus of Elasticity 29,000,000 psi
Density 0.277 lbs/cubic inch

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