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C19040 High performance copper alloy
C19040 High performance copper alloy
C19040 High performance copper alloy
C19040 High performance copper alloy
C19040 High performance copper alloy
C19040 High performance copper alloy
C19040 High performance copper alloy
C19040 High performance copper alloy

C19040 High performance copper alloy 대한민국

  • Introduction
Introduction

C19040 Product introduction

Adding Sn, Ni, and other trace elements to copper as the matrix gives it high strength, elasticity, and excellent stress relaxation performance. Commonly used for lead frames, automotive terminals, connectors, etc.

Grade Chemical composition(%)≤ Thickness
(mm)
ASTM Cu Sn Ni P Zn Other 0.1-3.0
C19040 Balance 1.0-2.0 0.7-0.9 0.02-0.09 0.01-0.3 ≤1.0
Physical properties
Density
(g/cm³)
Modulus of elasticity
(GPa)
Thermal expansion coefficient
(×10-6/K)
Electrical conductivity
(%IACS)
Thermal conductivity
W(m·K)
8.9 130 17 30 140
Mechanical properties Bend properties
Temper Hardness
HV
Tension test 90°R/T(Thick<0.8mm)
Tensile Strength
Rm/MPa
Yield Strength
MPa
Elongation
%
Good way Bad way
H04 155-180 500-590 480-565 ≥8 0 0.5
H06 160-195 540-630 525-610 ≥6 0.5 1

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