Stainless Steel Ball AISI440C 11.9062mm G10
The Stainless Steel Ball AISI440C 11.9062mm G10 bearing is a Stainless steel ball with an inner diameter of 11.9062 mm , an outer diameter of 11.9062 mm, a width of 11.9062 mm. It typically uses G10/G25/G50/G100/G1000 grade precision tolerances and heat treatment type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Feature: Good wearing, excellent surface quality, and high hardness.
AISI 440C STAINLESS STEEL BALLS
Size: 0.5mm-50.8mm
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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