C17200

Standard

JIS DIN EN ASTM/UNS/CDA GB/T
/ / / C17200 /

Merit

C17200 provides the highest strength of any copper alloy,with electrical conductivity considerably greater than other high-strength copper alloys. Since it is heat treated after forming, it provides excellent formability and ductility. This alloy features good stress relaxation resistance and high fatigue strength.

 

Applications

connectors, burn-in sockets, test sockets,switch part, relay parts, motors, thermostats, EMI shielding shrapnel.

Be 1.8-2.0
Ni+Co min. 0.2
Ni+Co+Fe max. 0.6
Cu+Be+Ni+Co+Fe min. 99.5

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Temper Tensile Strength(Mpa) Yield Strength(Mpa) Elongation (%) Hardness(HV)
O 410-540 200-380 min. 35 90-160
1/4H 510-620 410-560 min. 10 145-220
1/2H 590-695 510-660 min. 5 180-240
H 685-835 620-800 min. 2 210-270
OT 1100-1380 920-1210 min. 3 350-400
1/4HT 1180-1400 1000-1210 min. 2 360-430
1/2HT 1240-1440 1060-1350 min. 2 370-440
HT 1270-1480 1090-1420 min. 1 380-450

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) 8.26
Electrical conductivility IACS%(20℃)* 16-25
Modulus of elasticity (KN/mm²) 127
Coefficient of thermal expansion 10-6/K 17.8
Thermal conductivity W/(m*K) 80-130

*value for the lowest temper class

微信图片_20241127140256(1)
UNS: C17200
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