OEM Manufacturer Cw104c Foil - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou
OEM Manufacturer Cw104c Foil - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou Detail:
1. Chemical Composition of C72700
Model |
Ni |
Sn |
Mn |
Pb |
Zn |
Fe |
P |
Impurities |
Cu |
C72700 |
8.5-9.5 |
5.5-6.5 |
0.05-0.3 |
≤0.03 |
≤0.15 |
≤0.05 |
≤0.05 |
≤0.5 |
Remnant |
2. Physical Properties of C72700
Density |
8.9 |
(g/cm3) |
Melting Point |
968-1078 |
(℃) |
Thermal Expansion Coefficient |
17.25 |
(X10-6/℃) 20-200℃ |
Elastic Modulus |
120 |
(GPa) |
Electrical Resistivity at 20℃ |
|
μΩ*cm |
Quench |
≤19.5 |
|
Precipitation Hardening |
≤15 |
|
Electrical Conductivity(IACS,%) |
|
(% IACS) |
≥9 |
|
|
Precipitation hardening(3 hours) |
≥12 |
|
Torsional Modulus |
50 |
(GPa) |
Thermal Conductivity at 20℃ |
53.6 |
(W/m.K) |
Bending Fatigue Strength |
450 |
(MPa) |
3. Mechanical Properties/State of C72700
1) Rolled Products
State |
Hardness |
Tensile Strength |
Yield Strength |
Elongaion |
Bending* |
Hardness, Elasticity and Bending Fatigue Properties(MPa) |
||
HV |
Rm (MPa) |
Rp 0.2 (MPa) |
A50mm (%) |
Longitudinal// |
Transverse⊥ |
Longitudinal// |
Transverse⊥ |
|
Quenching |
||||||||
TB |
90-125 |
420-500 |
≥200 |
≥30 |
0.2 |
0.2 |
302 |
220 |
Quenching/Cold Rolling |
||||||||
TD1 |
140-180 |
460-560 |
≥300 |
≥15 |
0.2 |
0.2 |
216 |
359 |
TD2 |
160-200 |
540-640 |
≥400 |
≥10 |
0.2 |
0.2 |
275 |
390 |
TD3 |
200-240 |
620-720 |
≥550 |
≥3 |
0.5 |
0.5 |
444 |
523 |
TD4 |
220-260 |
700-820 |
≥600 |
≈1 |
2 |
1 |
467 |
568 |
TDX |
≤320 |
≥780 |
≥650 |
≈1 |
10 |
2 |
472 |
613 |
Quenching/Precipitation Heat Treatment |
||||||||
TF |
230-270 |
740-860 |
≥510 |
≥10 |
0.5 |
0.5 |
566 |
634 |
Quenching/Cold Rolling/Precipitation Heat Treatment |
||||||||
TH1 |
270-310 |
850-950 |
≥650 |
≥8 |
0.5 |
0.5 |
684 |
724 |
TH2 |
290-320 |
880-980 |
≥720 |
≥8 |
1 |
1 |
730 |
770 |
TH3 |
310-340 |
950-1050 |
≥800 |
≥4 |
1 |
1 |
829 |
≥840 |
TH4 |
320-360 |
1000-1100 |
≥900 |
≈3 |
2 |
2 |
≥830 |
≥840 |
THX |
≤390 |
≥1050 |
≥950 |
≈1 |
/ |
/ |
≥830 |
≥840 |
*:According to DIN 5011(25/10/85),bending 90 ° along the rolling direction, divide the minimum bending radius by the thickness to determine the R /t ratio |
2) Drawn products
State |
Hardness |
Tensile Strength |
Yield Strength |
Elongaion |
Expansion Coefficient |
HV |
Rm (MPa) |
Rp 0.2 (MPa) |
A50mm (%) |
Z% |
|
Quenching |
|||||
TB |
≤150 |
400-500 |
≥200 |
≥30 |
≥80 |
Quenching/Cold Rolling |
|||||
TD1 |
150-180 |
500-580 |
≥300 |
≥10 |
≥75 |
TD2 |
180-230 |
550-720 |
≥500 |
≥3 |
≥70 |
TD3 |
220-260 |
700-800 |
≥600 |
≥2 |
≥65 |
TD4 |
230-300 |
780-880 |
≥700 |
≥1.5 |
≥60 |
TDX |
250-320 |
880-1000 |
≥800 |
≥0.1 |
≥50 |
|
|
|
|
|
|
State |
HV |
Rm (MPa) |
Rp 0.2 (MPa) |
A50mm (%) |
Z% |
Quenching/Precipitation Heat Treatment |
|||||
TF |
≤260 |
770-870 |
≥500 |
≥20 |
≥40 |
Quenching/Cold Rolling/Precipitation Heat Treatment |
|||||
TH1 |
260-300 |
870-970 |
≥700 |
≥13 |
≥30 |
TH2 |
290-310 |
930-1030 |
≥800 |
≥8 |
≥30 |
TH3 |
310-330 |
1000-1100 |
≥900 |
≥5 |
≥30 |
TH4 |
330-360 |
1100-1200 |
≥1000 |
≥2 |
≥30 |
THX |
≥350 |
1175-1300 |
≥1100 |
≥0.5 |
≥30 |
4. Standard Tolerance of Rod and Wire of C72700
Type |
Diameter |
Tolerance of Diameter |
Tolerance of Straightness |
|||
inch |
mm |
inch |
mm |
inch |
mm |
|
Wire |
0.2-0.39 |
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 |
|||
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 |
+0.02/+0.10 |
|||
2.76-3.25 |
70.1-82 |
+0.02/+0.145 |
+0.02/+0.145 |
|||
3.26-6.00 |
83-152.4 |
+0.02/+0.187 |
+0.02/+0.187 |
|||
<0.4 |
<10 |
+/-0.002 |
+/-0.05 |
|
|
5. Application of C72700
Substituting beryllium copper alloy
It is used for glasses, electricians, electromechanical, electronics, connectors, automobiles, household appliances, spectade industry, turning parts
Product detail pictures:
Related Product Guide:
As for aggressive price ranges, we believe that you will be searching far and wide for anything that can beat us. We can easily state with absolute certainty that for such high-quality at such price ranges we're the lowest around for OEM Manufacturer Cw104c Foil - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou , The product will supply to all over the world, such as: Azerbaijan, Saudi Arabia, Oman, Now we have a dedicated and aggressive sales team, and many branches, catering to our main customers. We have been looking for long-term business partnerships, and ensure our suppliers that they will undoubtedly benefit in both short and long run.
By Aurora from Manila - 2017.08.28 16:02
The enterprise has a strong capital and competitive power, product is sufficient, reliable, so we have no worries on cooperating with them.
By Alva from Oslo - 2018.05.13 17:00