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SIGMAclad 60

SIGMAclad 60
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SIGMAclad 60

Product catalog summary
Overview: SIGMAclad60 is a joining solution designed for Li-Ion battery packs, composed of Nickel, Austenitic Stainless Steel, and Copper. It features a medium luster matte finish and is available in annealed standard temper, with specific tempers available upon request.
Composition and Physical Properties:
  • Composition: Nickel/Austenitic Stainless Steel/Copper
  • Copper Ratio: 60%
  • Hardness: HV 150 - 210 (stainless steel)
  • Thickness: 0.004 - 0.024” (0.10 - 0.60 mm)
  • Width: 0.10 - 12.00” (2.5 - 305 mm)
Mechanical Properties:
  • Density: 0.309 - 0.321 lbs/in3 (8.55 - 8.89 g/cm3)
  • Yield Stress: 15 - 35 ksi (103 - 241 MPa)
  • Tensile Strength: 52 - 70 ksi (359 - 483 MPa)
  • Elongation: 35 - 55%
  • Elastic Modulus: 21.5 - 30 Msi (148 - 207 GPa)
Thermal and Electrical Properties:
  • CTE: 7.4 - 9.3 μin/in/°F (13.3 - 16.7 μm/m/°C)
  • Thermal Conductivity: 42 - 140 BTU-ft/h-ft2-°F (73 - 242 W/mK)
  • Conductivity: 60% IACS
  • Resistivity: 0.029 Ω-m (17.3 Ω/CMF)
Material Attributes:
  • Resistance and laser weldable
  • Solderable surface
  • Superior conductivity compared to pure Nickel
  • High power capacity
  • Robust welds due to stainless steel layers
  • Lighter weight and increased conductivity
  • High contact corrosion protection from Nickel surface
Applications: SIGMAclad60 is suitable for use in battery packs where high conductivity, robust welds, and corrosion protection are critical. It supports gauge reductions due to its increased conductivity and lighter weight.
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Catalog excerpts

SIGMAclad 60-1

> Composition: > Ratio: > Surfcae : > Temper: > Hardness: > Thickness: > Width: Steel Steel Nickel / Austenitic Stainless Steel / Copper Austenitic Stainless Steel/ Nickel 60 % Copper Medium luster matte finish Annealed standard (specific tempers also available) HV 150 - 210 (stainless steel) 0.004 - 0.024" (0.10 - 0.60 mm) 0.10 -12.00" (2.5 - 305 mm) Properties can vary depending on finish thickness Solderability____ Engineered Materials Solutions Wickeder Group Wickeder Westfalenstahl Wickeder Group

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