C72700 ROD
C72700 ROD
Standard
| JIS | DIN | EN | ASTM/UNS/CDA | GB/T |
| / | / | CuNi9Sn6 | C72700 | / |
Merit
With electrical and thermal conductivity considerably greater than other high-strength copper alloys. This alloy features high fatigue strength and resistance to wear, corrosion, galling, and stress relaxation.
Applications
Industrial electrical connectors, relays, stamped terminals, semiconductor lead frames.
| Cu | Remainder |
| Ni | 8.5-9.5 |
| Sn | 5.5-6.5 |
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| Temper | Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation (%) | Hardness(HV) |
| TB00 | 420-500 | min. 200 | min. 30 | 90-125 |
| TD01 | 460-560 | min. 300 | min. 15 | 140-180 |
| TD02 | 540-640 | min. 400 | min. 10 | 160-200 |
| TD03 | 620-720 | min. 550 | min. 3 | 200-240 |
| TD04 | 700-820 | min. 600 | ≈1 | 220-260 |
| TDX | min. 780 | min. 650 | ≈1 | max. 320 |
| TF | 740-860 | min. 510 | min. 10 | 230-270 |
| TH1 | 850-950 | min. 650 | min. 8 | 270-310 |
| TH2 | 880-980 | min. 720 | min. 8 | 290-320 |
| TH3 | 950-1050 | min. 800 | min. 4 | 310-340 |
| TH4 | 1000-1100 | min. 900 | ≈3 | 320-360 |
| THX | min. 1050 | min. 950 | ≈1 | max. 390 |
Physical properties of the above materials are conventional performance indicators.If you have some special requirements,(for example property and tolerance).please contact Kinmachi Company directly，we will give you professional assessments and answers.
| Density (g/cm³) | 8.9 |
| Electrical conductivility IACS%(20℃)* | 9 |
| Modulus of elasticity (KN/mm²) | 120 |
| Coefficient of thermal expansion 10-6/K | 17.25 |
| Thermal conductivity W/(m*K) | 53.6 |
*value for the lowest temper class
EN: CuNi9Sn6
UNS: C72700
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