440 Stainless Steel Ball
- Ball Diameter: 0.5mm-50.4mm
- Material: 440 Stainless Steel
- Hardness: 57-60 HRC
- Hardness Depth: Through Hardened
- Corrosion Resistance: Fair
- Note: Not Drillable
- Attracted to Magnets: Yes
Synopsis of AISI 440 Stainless Steel Balls:
Martensitic Stainless steel offering high hardness and tensile strength against fresh
water, steam, petroleum spirits and alcohols.
Typical Uses of AISI 440 Balls:
High precision bearings, gauges.
Attracted to Magnets: Yes
Available Grades: 10, 20 ,100
AISI 440 Stainless Steel Properties:
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Hardness
|
57-60 HRC
|
|
Density
|
0.286 lbs/in3
|
|
Tensile Strength
|
100,000-180,000 psi
|
|
Yield Strength
|
50,000-150,000 psi
|
Chemical make Up %:
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Carbon C
|
0.95-1.20%
|
|
Chromium Cr
|
16-18%
|
|
Silicon Si
|
1.0% Max
|
|
Manganese Mn
|
1.0% Max
|
|
Phosphor P
|
0.04% Max
|
|
Sulphur S
|
0.03% Max
|
|
Molybdenum Mo
|
0.75% Max
|
Specification:
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Specification
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Equivalent Standards
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AISI 440
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Wks 1.4125
|
|
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DIN X105CrMo17
|
|
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AFNOR Z100CD17
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|
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JIS SUS 440
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