1)Materials: AISI420,SUS420,SUS420C
2)Diameters: 1.588mm-25.4mm
3)Grades: G5, G10, G20 G40, G100, G500, G1000
4)Hardness (HRC): ≥ HRC52
5) Certificate:: ISO-9001,ISO-14001,TS-16949
6)Features: 420/420C Stainless Steel Balls is on behalf of the martensitic steel with good rust resistance. It alsohave a certain wear resistance, corrosion resistance and high hardness. They resist corrosion from alcohol, ammonia, food environments, fresh water, many petroleum products and organic materials and some mild acid environments. Its price is lower than 440 and 440C.
7)Applications: All kinds of precision machinery, bearings, valves, lights and writhing instruments, electrical, equipment, apparatus, transportation tools, household appliances, etc. More used in the manufacture of air, steam, water and oxidation resistance of acid corrosion parts.
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420C Chemical Composition %
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C
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0.30-0.50
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Si
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1.00MAX
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Mn
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1.00MAX
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P
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0.040MAX
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S
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0.030MAX
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Cr
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12.50--14.50
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