Factory For C18200 Strip - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou
Factory For C18200 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:
Related Product Guide:
We have our own sales team, design team, technical team, QC team and package team. We have strict quality control procedures for each process. Also, all of our workers are experienced in printing field for Factory For C18200 Strip - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou , The product will supply to all over the world, such as: Bahamas, Plymouth, Nepal, We integrate design, manufacture and export together with more than 100 skillful workers, strict quality controlling system and experienced technology.We keep long term business relationships with wholesaler and distributors form more than 50 countries, such as USA, UK, Canada, Europe and Africa etc.
By Sandy from Puerto Rico - 2018.06.30 17:29
The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
By Anna from Accra - 2018.06.30 17:29
