CuSn8

Normaanduiding

EN: CuSn8/CW453K
UNS: C 52100

Chemische samenstelling

Cu: Rest
Sn: 7,5 - 8,5 %
P: 0,01 - 0,4 %

Fysische eigenschappen1)

Soortelijk gewicht: 8,8 g/cm³
Elektrische geleidendheid: 7,5 m/Ω·mm² = 13 % IACS2)
Thermische geleidendheid: 62 W/m·K
Warmte-uitzettingscoëfficiënt: 18,5·10-6/K
E-module: 115 GPa3)

 

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


Verwerkingsaanwijzingen

Lasbaarheid: goed
Soldeerbaarheid: zeer goed
Spanningscorrosie: geen

Mechanische eigenschappen

Toestand R370/H90 R450/H135 R540/H170
Trekvastheid RM 370-450 MPa4) 450-550 MPa 540-630 MPa
Strekgrens RP0.2 ≤ 300 MPa ≥ 280 MPa ≥ 460 MPa
Uitzetting A50 ≥ 50 % ≥ 20 % ≥ 13 %
Hardheid HV 90-120 135-175 170-200
Toestand R600/H190 R660/H210 R740/H230
Trekvastheid RM 600-690 MPa 660-750 MPa ≥740 MPa
Strekgrens RP0.2 ≥ 530 MPa ≥ 620 MPa ≥ 700 MPa
Uitzetting A50 ≥3 % ≥2 %  
Hardheid HV 190-220 ≥ 210-240 ≥ 230

4) 1 MPa = 1 N/mm²

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