KLF-1 CDA No. 64710

KFC-1 is a precipitation hardened copper alloy containing Ni, Sn and Zn having high strength, excellent electrical and thermal conductivity.

Features

1.        High strength and excellent electrical conductivity.

2.        Good heat resistance.

3.        Excellent stress corrosion cracking resistance.

4.        Good solderability and platability.

5.        Good corrosion resistance and platability.

Chemical Composition

       Cu: Residual, Ni: 3.0-3.4, Si: 0.6-0.75, Zn: 0.2-0.35

Physical Properties

Specific

Gravity

Thermal Expansion Coefficient

(293-725K)

Thermal Conductivity

(293K)

Volume Resistivity

(293K)

Electrical Conductivity

Longitudinal Elasticity Coefficient

8.9 g/cm3

17.6x10-6/K

2.22x102 W/mK

3.13 uohm.cm

55% IACS

1.25x105 N/mm2

Mechanical Properties

Temper

Grade

Tensile Strength

(N/mm2)

Elongation

(%)

Vickers Hardness

(For reference)

1/4H

min 300

min 13

145-165

1/2H

min 470

min 10

160-180

H

min 540

min 7

180-200

Product Range (Unit: mm)

Shape

Thickness

Width

Length

Unit Weight

(kg/1mm width)

Plate

0.1-6.0

max 500

max 1600

-

Strip

0.1-2.5

6-500

-

3

Note: (1) The spool diameter range from 150 mm to 500 mm in increments of 50mm.

        (2) The coil spool is also available in resin and steel.

        (3) Strip with Tin plating is also available, however, only in width less than 300 mm.

        

Uses

       IC leadframes, terminals, connectors, bus-bars, various electrical components.

 

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