CuSn3Zn9

Normaanduiding

EN: CuSn3Zn9/CW454K
UNS: C 42500

Chemische samenstelling

Cu: Rest
Sn: 1,5 - 3,5 %
Zn: 7,5 - 10 %

Fysische eigenschappen1)

Soortelijk gewicht: 8,75 g/cm³
Elektrische geleidendheid: 14 m/Ω·mm² = 24 % IACS2)
Thermische geleidendheid: 62 W/m·K
Warmte-uitzettingscoëfficiënt: 18,4·10-6/K
E-module: 120 GPa3)

 

1) Richtwaarden bij kamertemperatuur
2) IACS =International Annealed Copper Standard
3) 1 GPa = 1 kN/mm²


Verwerkingsaanwijzingen

Lasbaarheid: goed
Soldeerbaarheid: goed
Spanningscorrosie: verwaarloosbaar

Mechanische eigenschappen

Toestand R320/H80 R380/H110 R430/H140
Trekvastheid RM 320-380 MPa4) 380-430 MPa 430-520 MPa
Strekgrens RP0.2 ≤ 230 MPa ≥ 200 MPa ≥ 330 MPa
Uitzetting A50 ≥ 25 % ≥ 16 % ≥ 6 %
Hardheid HV 80-110 110-140 140-170
Toestand R510/H160 R580/H180 R660/H200
Trekvastheid RM 510-600 MPa 580-690 MPa ≥660 MPa
Strekgrens RP0.2 ≥ 430 MPa ≥ 520 MPa ≥ 610 MPa
Uitzetting A50 ≥ 3 % - -
Hardheid HV 160-190 ≥ 180-210 ≥ 200

4) 1 MPa = 1 N/mm²

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