国产自拍

Titanium Copper Alloy

C1990HP ― High Strength Titanium Copper Alloy

C1990HP High-strength titanium copper for springs

Overview

Hyper Titanium Copper (C1990HP) was developed by further enhancing the properties of titanium copper alloy C1990.
Having the same chemical composition as C1990 but with higher strength and excellent bend formability, its properties equal or exceed those of beryllium copper (mill-hardened material). It is designed for use as a material in high-end switches, connectors, relays, and other electronic parts.
(We provide the Hi-Performance Series (HP) materials with the same composition as conventional products but with advanced material properties achieved by precision process control.)

Table 1. C1990HP chemical composition (%)

  Ti Cu + Ti
Standard composition 2.90~3.50 ≧ 99.5

Table 2. Physical properties of C1990HP

Electrical conductivity 12 %IACS (@20℃)
Specific resistance 144 nΩ·m (@20℃)
Thermal conductivity 54 W/mK
Linear expansion coefficient 18.6 ×10-6/K (20 to 300℃)
Modulus of elasticity 127 GPa
Density 8.70 g/cm3

Table 3. Mechanical properties of C1990HP

Temper Tensile strength
(MPa)
Yield strength
(MPa)
Elongation
(%)
Vickers hardness
(Hv)
EH 885-1080 780-930 10min 300
SH 910-1110 810-960 8min 320
ESH 1000-1180 950-1100 - 340
XSH 1050-1300 1000-1200 - -
  • Specifications are shown for tensile strength, Yield strength, and elongation, while typical values are given for Vickers hardness.
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