Massive Selection for Beryllium Copper Strip - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou
Massive Selection for Beryllium Copper 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:
With a positive and progressive attitude to customer's interest, our enterprise continually improves our products excellent to meet the wants of customers and further focuses on safety, reliability, environmental requirements, and innovation of Massive Selection for Beryllium Copper Strip - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou , The product will supply to all over the world, such as: Doha, Qatar, Oman, Furthermore, all of our items are manufactured with advanced equipment and strict QC procedures in order to ensure high quality. If you are interested in any of our goods, please don't hesitate to contact us. We will do our best to meet your needs.
By Edwina from Florida - 2017.05.31 13:26
The enterprise has a strong capital and competitive power, product is sufficient, reliable, so we have no worries on cooperating with them.
By Modesty from Milan - 2017.10.27 12:12