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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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Designed and Supported by
QINGDAO LANNERET STEEL BALL & BEARING CO.,LTD
