Factory supplied Cw106c Strip - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou
Factory supplied Cw106c Strip - 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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No matter new shopper or old customer, We believe in very long expression and dependable relationship for Factory supplied Cw106c Strip - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou , The product will supply to all over the world, such as: Holland, Cologne, Burundi, We have established long-term, stable and good business relationships with many manufacturers and wholesalers around the world. Currently, we are looking forward to even greater cooperation with overseas customers based on mutual benefits. Please feel free to contact us for more details.
By Miriam from Dominica - 2017.10.25 15:53
A good manufacturers, we have cooperated twice, good quality and good service attitude.
By Olga from Hamburg - 2017.12.19 11:10