Shandong JinNai International Trade Co., Ltd.
| Payment Terms | T/T, Western Union, MoneyGram,Paypal, L/C, D/A, D/P |
| Supply Ability | 10 Tons per Month |
| Delivery Time | 7-15 days |
| Packaging Details | Ploy bag+25kg carton box+1000kg wooden box |
| Product Name | 440C Steel Ball |
| Grade | G500 |
| Application | PrecisionBearings |
| Hardness | HRC57-65 |
| Feature | Magnetic |
| HS Code | 84829100 |
| Brand Name | JN |
| Model Number | 12.7mm 1/2 |
| Certification | SGS ISO |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | T/T, Western Union, MoneyGram,Paypal, L/C, D/A, D/P | Supply Ability | 10 Tons per Month |
| Delivery Time | 7-15 days | Packaging Details | Ploy bag+25kg carton box+1000kg wooden box |
| Product Name | 440C Steel Ball | Grade | G500 |
| Application | PrecisionBearings | Hardness | HRC57-65 |
| Feature | Magnetic | HS Code | 84829100 |
| Brand Name | JN | Model Number | 12.7mm 1/2 |
| Certification | SGS ISO | Place of Origin | China |
| High Light | round steel balls ，solid metal ball | ||
440C 12.7 MM Stainless Steel Ball For Correction Fluid 1.4125 Steel Bearing Ball
Martensitic hardened stainless steel balls, 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.
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
|
|
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.
|
|
ITA
|
USA
|
GER
|
FRA
|
UK
|
RUS
|
CHN
|
JAP
|
|---|---|---|---|---|---|---|---|
|
X 105CrMo17
|
440C
|
1.4125
|
Z100CD17
|
-
|
95X18
|
9Cr18Mo
|
SUS440C
|
|
Property
|
Symbol
|
U.o.M.
|
Type
|
Notes
|
Values
|
|---|---|---|---|---|---|
|
Density
|
δ
|
[g/cm3]
|
Physical
|
Room temp.
|
7.70
|
|
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
|
Not hardened
|
> 700
|
|
Property
|
Type
|
U.o.M.
|
Values
|
U.o.M.
|
Values
|
|---|---|---|---|---|---|
|
Hardness
|
Mechanical
|
[HRC]
|
57 - 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, alcohol. They are subjected to pitting corrosion in sea water environments. Poor corrosion resistance in acid environments.
|
Feature
440C: Martensitic hardened stainless steel balls, 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.
Application
440C: 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.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2013
Total Annual:
5000000-10000000
Employee Number:
100~150
Ecer Certification：
Active Member
Shandong Jinnai International Trade Co.,Ltd. is one of the professional manufactures which specialize in the steel ball,like stainless steel ball (201, 304, 316, 420,420C,440C,430),chrome steel ball (AISI52100,100CR6,GCR15), carbon steel ball(1015,1010,1045,1085), copper brass balls, hollow st... Shandong Jinnai International Trade Co.,Ltd. is one of the professional manufactures which specialize in the steel ball,like stainless steel ball (201, 304, 316, 420,420C,440C,430),chrome steel ball (AISI52100,100CR6,GCR15), carbon steel ball(1015,1010,1045,1085), copper brass balls, hollow st...
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