KHP®7026

Normaanduiding

EN: CW111C
UNS: C 70260

Chemische samenstelling

Cu: Rest
Ni: 1,60 - 2,50 %
Si: 0,40 - 0,70 %
P: max. 0,01 %

Fysische eigenschappen1)

Soortelijk gewicht: 8,82 g/cm³
Elektrische geleidendheid: 23-29 m/Ω·mm² = 40-50 % IACS2)3)
Thermische geleidendheid: 156 W/m·K
Warmte-uitzettingscoëfficiënt: 17·10-6/K
E-module: 130 GPa4)

 

1) Richtwaarden bij kamertemperatuur
2) IACS =International Annealed Copper Standard
3)
4) 1 GPa = 1 kN/mm²


Verwerkingsaanwijzingen

Lasbaarheid: middel
Soldeerbaarheid: middel
Spanningscorrosie: geen

Mechanische eigenschappen

Toestand R580/H120 R620/H170 R650/H200
Trekvastheid RM 580-660 MPa5) 620-700 MPa 650-730 MPa
Strekgrens RP0,2 ≥ 520 MPa ≥ 550 MPa ≥ 570 MPa
Uitzetting A50 ≥ 12 % ≥ 10 % ≥ 7 %
Hardheid HV 175-205 190-215 195-225
Toestand R720/H220
Trekvastheid RM ≥ 720 MPa
Strekgrens RP0,2 ≥ 650 MPa
Uitzetting A50 ≥ 3 %
Hardheid HV≥ 215  

4) 1 MPa = 1 N/mm²

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