High Quality Cunisn Threadlet - KINKOU158 copper alloy(Cu-Ni-Sn C72900) – Kinkou
High Quality Cunisn Threadlet - KINKOU158 copper alloy(Cu-Ni-Sn C72900) – Kinkou Detail:
* Achieve a combination of high rigidity and high strength. Can withstand dynamic impact loads. Can meet the most stringent requirements of static structural load and pressure. The thermal stress relaxation resistance is significantly better than beryllium copper alloy.
2. Excellent performance of anti-wear bearing, with the valuable performance of natural self-lubrication without friction pair seizure, it is a necessary material for the landing gear bearing of large aircraft, and is also the preferred friction component of oil well connecting rod and high temperature and high alternating load material.
*Turning performance is equivalent to easy turning brass alloy is very easy to process into complex components.
*Suitable for all kinds of acidic environment or salt water, high temperature corrosion resistance.
* Good welding performance.
*The electrical stability is significantly better than beryllium copper alloy. It does not generate magnetism and is a suitable material for high-temperature connectors and RF connectors.
*Non-toxic and harmless, environment-friendly materials.
1. Chemical Composition of C72900
|
Model |
Ni |
Sn |
Other Alloy Elements |
Impurities |
Cu |
|
C72900 |
14.5-15.5 |
7.5-8.8 |
0.2-0.6 |
≤0.15 |
Remnant |
2. Physical Properties of C72900
|
Elastic Modulus |
Poisson’s Ratio |
Electrical Conductivity |
Thermal Conductivity |
Thermal Expansion Coefficient |
Density |
Permeability |
|
21×10^6psi |
0.33 |
＜7% IACS |
22 Btu/ft/hr/°F |
9.1×10^-6 in/in/°F |
0.325 lb/in^3 |
＜1.001 |
|
144kN/mm^2 |
＜4 MS/m |
38 W/M/℃ |
16.4×10^-6 m/m/℃ |
9.00 g/cm^3 |
3. Minimum Mechanical Properties of C72900
|
State |
Diameter |
Yield Strength 0.2% |
Ultimate Tensile Strength |
|
Elongation |
Hardness |
Average CVN Impact Toughness |
||||
|
inch |
mm |
ksi |
N/mm^2 |
ksi |
N/mm^2 |
%(4D) |
HRC |
ft-lbs |
J |
||
|
Rod |
TS 95 |
0.75-3.25 |
19-82 |
95 |
655 |
106 |
730 |
18 |
93 HRB |
30* |
40* |
|
3.26-6.00 |
83-152.4 |
95 |
655 |
105 |
725 |
18 |
93 HRB |
30* |
40* |
||
|
TS 120U |
0.75-1.59 |
19-40.9 |
110 |
755 |
120 |
825 |
15 |
24 |
15 |
20 |
|
|
1.6-3.25 |
41-82 |
110 |
755 |
120 |
825 |
15 |
24 |
12 |
16 |
||
|
3.26-6.00 |
83-152.4 |
110 |
755 |
120 |
825 |
15 |
22 |
11** |
14** |
||
|
TS 130 |
0.75-6.00 |
19-152.4 |
130 |
895 |
140 |
965 |
10 |
24 |
- |
- |
|
|
TS 160U |
0.25 |
＜6.35 |
150 |
1035 |
160 |
1100 |
5 |
32 |
|||
|
0.26-0.4 |
6.35-10 |
150 |
1035 |
160 |
1100 |
7 |
32 |
||||
|
0.41-0.75 |
10.1-19 |
150 |
1035 |
165 |
1140 |
7 |
36 |
||||
|
0.76-1.6 |
19.1-41 |
150 |
1035 |
165 |
1140 |
5 |
34 |
||||
|
1.61-3.25 |
41.1-82 |
150 |
1035 |
160 |
1100 |
3 |
34 |
||||
|
3.26-6.00 |
83-152.4 |
148 |
1020 |
160 |
1100 |
3 |
32 |
||||
|
Wire |
TS 160U |
＜0.25 |
＜6.35 |
150 |
1035 |
160 |
1100 |
5 |
32 |
||
|
0.26-0.4 |
6.35-10 |
150 |
1035 |
160 |
1100 |
7 |
32 |
||||
|
Tube |
TS 105 |
1.50-3.05（External Diameter) |
38-77（External Diameter) |
105 |
725 |
120 |
830 |
15 |
22 |
||
|
1.50-3.05（External Diameter) |
38-77（External Diameter) |
105 |
725 |
120 |
830 |
16 |
22 |
14*** |
19*** |
||
|
TS 150 |
1.30-3.00(External Diameter) |
33-76(External Diameter) |
150 |
1035 |
158 |
1090 |
5 |
36 |
- |
- |
|
|
*:Any value is no less than 24 ft-lbs(32J) |
|||||||||||
|
**:Any value is no less than 10 ft-lbs(13.5J) |
|||||||||||
|
***:Any value is no less than 16J;Only samples of CVN(10mm weidth x 10mm thickness) |
|||||||||||
4. Standard Tolerance of Rod and Wire of C72900
|
State |
Type |
Diameter |
Tolerance of Diameter |
Tolerance of Straightness |
|||
|
inch |
mm |
inch |
mm |
inch |
mm |
||
|
TS 160U |
Rod |
0.25-0.39 |
6.35-9.9 |
+/-0.002 |
+/-0.05 |
length=10ft,deviation＜0.25 inches |
length=3048mm,deviation＜6.35mm |
|
0.4-0.74 |
10-18.9 |
+0.005/-0 |
+0.13/-0 |
||||
|
TS 95,TS 120U,TS 130,TS 160U |
Rod |
0.75-1.6 |
19-40.9 |
+0.02/+0.08 |
+0.5/+2.0 |
length=10ft,deviation＜0.5 inches |
length=3048mm,deviation＜12mm |
|
1.61-2.75 |
41-70 |
+0.02/+0.10 |
+0.5/+2.5 |
||||
|
2.76-3.25 |
70.1-82 |
+0.02/+0.145 |
+0.5/+3.7 |
||||
|
3.26-6.00 |
83-152.4 |
+0.02/+0.187 |
+0.5/+4.75 |
||||
|
TS 160U |
Wire |
＜0.4 |
＜10 |
+/-0.002 |
+/-0.05 |
|
|
5. Standard Tolerance of Tube of C72900
|
State |
Diameter |
Wall Thickness |
Tolerance of Diameter |
Tolerance of Straightness |
|||
|
inch |
mm |
mm |
inch |
mm |
inch |
mm |
|
|
TS 160U |
1.50-1.99 |
38-50 |
10-20% of External Diameter* |
±0.010 |
±0.25 |
length=10ft,deviation＜0.5 inches** |
length=3048mm,deviation＜12mm |
|
2.00-3.050 |
51-76 |
10-20% of External Diameter* |
±0.012 |
±0.30 |
|||
|
TS 150 |
1.30-1.99 |
33-52 |
8-20% of External Diameter* |
±0.008 |
±0.20 |
length=10ft,deviation＜0.5 inches** |
length=3048mm,deviation＜12mm |
|
2.00-3.00 |
53-79 |
6-10% of External Diameter* |
±0.010 |
±0.25 |
|||
|
*：For reference only. Please check with the steel plant for the required dimensions |
|||||||
|
**：Smaller straightness tolerance available |
|||||||
6. Application of C72900
It is mainly used for Sucker rod coupling, MWD equipment, shaft sleeve and gasket in petroleum industry;
Aircraft landing gear shaft sleeve and bearing; Pressure vessel seals; Slide guide;High temperature resistant and corrosion resistant connectors. etc.
Product detail pictures:
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