Factory source C17500 Bar - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou
Factory source C17500 Bar - 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:
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Assume full responsibility to satisfy all needs of our clients; achieve continual advancements by endorsing the expansion of our purchasers; turn into the final permanent cooperative partner of clientele and maximize the interests of clients for Factory source C17500 Bar - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou , The product will supply to all over the world, such as: Poland, United Arab Emirates, Jeddah, We are very responsible for all details on our customers order no matter on warranty quality, satisfied prices, quick delivery, on time communication, satisfied packing, easy payment terms, best shipment terms, after sales service etc. We provide one-stop service and best reliability to our every customers. We work hard with our customers, colleagues, workers to make a better future.
By Beatrice from Honduras - 2017.03.28 16:34
The company can think what our think, the urgency of urgency to act in the interests of our position, can be said this is a responsible company, we had a happy cooperation!
By Arabela from Bahrain - 2018.11.02 11:11
