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Hardened Bearing-Quality 440C Stainless Steel
Yield Strength: Not Rated
Hardness: Rockwell C60 (VeryHard)
Heat Treatment: Hardened
Specifications Met:SAE AMS5630
These balls are hardened for increased wear and abrasion resistance. 440C is one of the hardest types of stainless steel after heat treating.It's often used for bearings and valves. This material maintains its corrosion resistance in temperatures up to 800° F.
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