Stainless Steel Ball
400 series stainless steel ball
Description
400 series stainless steel balls: Martensitic stainless steel balls--This series include AISI 420, AISI 440C, etc., they feature remarkable hardness, wear resistance, surface finishing, narrow dimensional tolerances. For that reason this type of steel is frequently used in precision devices. Balls are provided in the passivated condition. They are are widely used in stainless bearing, valve, pump, petrochemical industry etc. They can be used in water, oil, steam, alcohol. They are mainly used where hardness, strength and wear resistance are required.
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1. Produce name: |
Stainless steel ball |
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2.Equivalence of Material: |
GB (China) |
ASTM/AISI (USA) |
JIS (Japan) |
NF (France) |
DIN / (Germany) |
BS (UK) |
RUS |
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AISI 420 |
2Cr13 |
420 |
SUS420J1 |
Z20C13 |
1.4028 |
420 S 37 |
20 Kh 13 |
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AISI 440C |
9Cr18Mo |
440C |
SUS440C |
Z100CD17 |
1.4125 |
* |
95X18 |
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3. Size Range: |
Ø 2.000 mm – Ø 50.8mm |
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4. Grade: |
G 10, G 16, G 20, G 24, G 28, G 40, G 60, G 100, G 200, G1000 |
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5. Hardness: |
AISI 420 |
AISI 440C |
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48-54HRC |
58-64HRC |
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6. Magnetic: |
AISI 420 |
AISI 440C |
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Strong |
Strong |
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7. Anti-corrosion: |
AISI 420 |
AISI 440C |
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Yes |
Yes |
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8. Chemical composition |
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C% |
Si% |
Mn% |
S% |
P% |
Cr% |
Mo% |
Ni% |
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AISI 420 |
≤ 0.03% |
≤ 0.03% |
≤ 0.03% |
≤ 0.03% |
≤ 0.03% |
12% – 14% |
* |
≤0.60% |
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AISI 440C |
0.95% – 1.10% |
≤ 0.80% |
≤ 0.80% |
≤ 0.03% |
≤ 0.04% |
16% – 18% |
0.40% – 0.7% |
≤0.60% |
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9. Application: |
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AISI 420 |
All kinds of precision machinery, bearings, electrical equipment, household appliances, auto parts, etc.atmosphere, are used as a cheaper alternative to the AISI 420C material. |
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AISI 440C |
High Precision bearings, Aerospace, Knotting devices, Oil and Gas Industry, Quick Release Couplings, Automotive Industry, Automotive Industry. |
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10.Packing |
Standard: 10kg or 20kg per carton, 250kg/per barrel, 1 ton per pallet or as customer required |
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11.Conditioning |
dry or oiled |
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12.Delivery time |
Stock within a short time or 15-35 days. |
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Standard packing:
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