Corson Alloys
NKC4419(HC) ― High Conductivity Corson Alloy
High Conductivity Corson Alloy
NKC4419(HC) (UNS Alloy No. C64800)
Overview
- NKC4419(HC) is a Corson alloy with enhanced conductivity compared to the conventional NKC4419. It is a new Corson alloy that excels in achieving an unprecedented balance of strength and conductivity.
- NKC4419-H(HC) has excellent Bulging formability.
Features
- 1.High electrical conductivity 71% IACS: higher conductivity than conventional Corson alloys
- 2.High Yield strength of 590 MPa
- 3.Excellent bend formability (MBR/t = Minimum bend radius/Thickness = 0 bad way)
- 4.Excellent Bulging formability
Table 1. NKC4419(HC) chemical composition (%)
| Cu | Co | Si | |
|---|---|---|---|
| Standard composition | Remainder | 1.9 | 0.44 |
- Note that all numerical values shown are typical values.
Table 2. Physical properties of NKC4419(HC)
| Electrical conductivity | 71 | %IACS (@20℃) |
|---|---|---|
| Specific resistivity | 24 | nΩ·m (@20℃) |
| Thermal conductivity | 288 | W/mK |
| Linear expansion coefficient | 17.8 | ×10-6/K (20 to 200℃) |
| Modulus of elasticity | 127 | GPa |
| Specific gravity | 8.85 |
- Note that all numerical values shown are typical values.
Table 3. Mechanical properties of NKC4419(HC)
(upper: typical values, lower: specification range)
| Temper | Tensile strength (MPa) |
Yield strength (MPa) |
Elongation (%) |
Vickers hardness (Hv) |
|---|---|---|---|---|
| H(HC) | 610 (540-670) |
590 (520-650) |
6.0 (≧2.0) |
185 (160-220) |
- Note that all numerical values shown are typical values.
Table 4. Bend formability of NKC4419(HC) (*90°W bend test, test piece shape 10 mm wide × 30 mm long)
| Temper | Thickness (mm) |
MBR/t | |
|---|---|---|---|
| Good way | Bad way | ||
| H(HC) | 0.08 | 0 | 0 |
- MBR/t:Minimum Bend Radius without cracking / thickness
- Note that all numerical values shown are typical values.
Please inquire about bend formability of different thicknesses.
Bulging formability
Contact Information
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