Professional China Cuni2be Tube - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou
Professional China Cuni2be Tube - 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:
Our concentrate on should be to consolidate and enhance the quality and service of present products, meanwhile consistently produce new products to meet unique customers' demands for Professional China Cuni2be Tube - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou , The product will supply to all over the world, such as: Guatemala, Croatia, Anguilla, What You Need Is What We Pursue.We are sure our products will bring you first class quality.And now sincerely hope to promote partner friendship with you from all over the world. Let's joint hands to cooperate with mutual benefits!
By Katherine from Auckland - 2018.09.08 17:09
Hope that the company could stick to the enterprise spirit of "Quality, Efficiency, Innovation and Integrity", it will be better and better in the future.
By Daisy from Niger - 2018.06.03 10:17
