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Stainless Steel Ball

Material Available
 
AISI 302~AISI 316
AISI 420~AISI 440C
Chemical Composition
 
C% Si % Mn % Cr % Ni % Mo % P % S % Other characteristic
AISI 302 0.15 max 1.00 max
2.00 max
17.0~19.0
8.0~10.5
  0.045 max
0.03 max
  Slightly magnetic
Austinitic
AISI 304 0.07 max 1.00 max 2.00 max 17.0~19.0 8.50~10.5   0.045 max 0.03 max   Slightly magnetic
Austinitic
AISI 316 0.07 max 1.00 max 2.00 max 16.5~18.5 10.5~13.5 2000~2.50 0.045 max 0.03 max   Non-magnetic
Austinitic
Excellent corrosion resistance
AISI 420J 0.17~0.25 1.00 max 1.00 max 12.0~14.0     0.045 max 0.03 max   magnetic
Hardenable HRC 48 Min
fair corrosion resistance
AISI 430 0.08 max 1.00 max 1.00 max 15.5~17.5     0.045 0.03 max   fair-good corrosion resistance
AISI 440C 0.95~1.20 1.00 max 1.00 max 16.0~18.0   0.40~0.80 0.04 max 0.02 max   fair corrosion resistance
Hardenable HRC 58 Min
Grade
  40~1000
Size
  0.5mm~2"
Application
  dispenser valve ball, stainless steel bearing, chemical related application
Corrosion Resistance Comparison
  316>304/302>430>420/440

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