Hot sale Factory Beryllium Copper Threadlet - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou
Hot sale Factory Beryllium Copper Threadlet - 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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Our goal is to provide high quality products at competitive prices, and top-notch service to customers around the world. We are ISO9001, CE, and GS certified and strictly adhere to their quality specifications for Hot sale Factory Beryllium Copper Threadlet - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou , The product will supply to all over the world, such as: Canberra, Malaysia, Angola, With the goal of "zero defect". To care for the environment, and social returns, care employee social responsibility as own duty. We welcome friends from all over the world to visit and guide us so that we can achieve the win-win goal together.
By Patricia from Kuwait - 2017.11.01 17:04
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By Frank from New Orleans - 2018.06.19 10:42