1.588mm AISI 440C STAINLESS STEEL BALLS
1.588mm AISI 440C STAINLESS STEEL BALLS
AISI 440C STAINLESS STEEL BALLS
Size: 1.588mm
Grade: G5 to G1000
Martensitic stainless steel balls, they are characterized by 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 state.
Applications |
Precision bearings, anti-friction bearings, special valves, conveyor belts and rollers, ballpoint pens. They are used in foodstuff, medical instruments, quick couplings, recirculating ball bearings, knotting devices, oil refinery devices. |
Chemical composition (%)
%C |
%Si |
%Mn |
%P |
%S |
%Cr |
%Mo |
0.95-1.20 |
1.00 max |
1.00 max |
0.040 max |
0.030 max |
16.00-18.00 |
0.75 max |
International standards
ITA |
USA |
GER |
FRA |
UK |
RUS |
CHN |
JAP |
X 105CrMo17 |
440C |
1.4125 |
Z100CD17 |
- |
95X18 |
9Cr18Mo |
SUS440C |
Physical / mechanical / thermal / electric / magnetic properties
Property |
Symbol |
U.o.M. |
Type |
Notes |
Values |
Density |
δ |
[g/cm3] |
Physical |
Room temp. |
7.75 |
Young's modulus |
E |
[GPa] |
Mechanical |
- |
210 |
Specific heat |
c |
[J/kg-K] |
Thermal |
Room temp. |
450 |
Coefficient of linear thermal expansion |
α |
[10^-6/ºC] |
Thermal |
(ΔT=0-100°C) |
10.2 |
Thermal conductivity |
λ |
[W/(m·K)] |
Thermal |
Room temp. |
19.6 |
Electric resistivity |
ρ |
[Ω*m*10^-9] |
Electric |
- |
680 |
Relative magnetic permeability |
µ |
- |
Magnetic |
Ferromagnetic |
> 700 |
Technical characteristics of balls
Property |
Type |
U.o.M. |
Values |
U.o.M. |
Values |
Hardness |
Mechanical |
[HRC] |
58 - 65 |
- |
- |
Ultimate tensile strength |
Mechanical |
[MPa] |
1900 - 2000 |
[psix10^3] |
275 - 290 |
Service temperature |
Thermal |
[ºC] |
0 - 400 |
[ºF] |
32 - 752 |
Corrosion Resistance |
The material resists to corrosion in contact with freshwater, steam, oil, petrol, alcool. They are subjected to pitting corrosion in sea water environments. Poor corrosion resistance in acid environments. |
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High quality AISI 440C ( TBD kg Mass, ID: 1.588 mm OD: 1.588 mm WD: 1.588 mm , G5-G1000 Accuracy Class , ss440c stainless steel Material ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. AISI 440C. then click the button " Send " The web site will make your purchasing information sent to the supplier's mailbox, who will come to contact you upon they get your information at the first time.
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