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4.5mm 420 Stainless Steel Ball G20
420 Stainless Steel Ball
- Ball Diameter: 4.5mm
- Grade: G20
- Material: 420 Stainless Steel
- Hardness: 52-55 HRC
- Hardness Depth: Through Hardened
- Corrosion Resistance: Good
- Note: Not Drillable
- Weight Each: see weight chart
- Attracted to Magnets: Yes
Synopsis of AISI 420 Stainless Steel Balls:
The most commonly used martensitic stainless steel giving fair corrosion resistance to fresh water, steam, petrol, alcohol, blood, sweat, oils and foodstuffs.
Typical Uses of AISI 420 Balls:
Bearing manufacture, valve parts, hose connectors & fittings.
Attracted to Magnets: Is attracted to a magnet
AISI 420 Stainless Steel Properties:
|
Hardness |
52-55 HRC |
|
Density |
0.280 lbs/in3 |
|
Tensile Strength |
275,000 psi |
Chemical Make Up %:
|
Carbon C |
0.15-0.36% |
|
Chromium Cr |
12-14% |
|
Silicon Si |
1.0% Max |
|
Manganese Mn |
1.0% Max |
|
Phosphor P |
0.04% Max |
|
Sulphur S |
0.03% Max |
Specification:
|
Specification |
Equivalent Standards |
|
AISI 420 |
BS970 420S37 420S45 |
|
DIN 1.4021, 1.4025, 1.4034 |
|
|
AFNOR Z30C13, Z40C14 |
|
|
JIS SUS 4200JI, 420J2 |
Contact: Karen Miao
Email: hrt2@chnsteelball.com
Website:
www.hrtsteelballs.com
www.minibearingsteelball.com
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