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Mold Manufacturing

Mold Manufacturing

Material designation

Aluminum Bronze – Plastic Injection Molding Dies for Mold Construction



  • High tensile and fatigue strength
  • Extreme toughness, even at high temperatures up to 400°C
  • Thermal conductivity increases as temperature increases
  • Excellent resistance to scaling, erosion, and cavitation pitting
  • Excellent corrosion resistance, especially in environments with high humidity
  • Easy mechanical processing
  • Good sliding properties
  • Can be used in the delivered condition, no hardening required, thus no warping like with steel
  • MIG and TIG welding possible
  • Reduced cycle times and production costs by eliminating costly coolant duct systems



  • We saw to your desired dimensions – fast, clean, and true to size!
  • sheets with polished surfaces starting at 4 mm thickness, with milled surfaces from 27 mm to 145 mm thickness
  • Pressed bars with edges, straightened: flat from 20x10mm to 160x52mm, square from 20x20mm to 90x90mm
  • 100% ultrasonically tested
  • Thermally relaxed
  • Flatness max. 3 mm/m



 Alcaro®AB4S/SheetsAlcaro®AB4S/Edged Rods
Thermal Conductivity W/m×K at approx. room temperature5050
Thermal Conductivity W/m × K at approx. 300°C7373
Tensile Strength Rm N/mm² approx.720720
Yield Strength Rp0.2 N/mm² ca.320 – 370480 – 530
Brinell Hardness HB ca. 200
Vickers Hardness HV ca.180 
Ultimate Strain A5 % approx.2010
Expansion Coefficient 10-6/K1717



Machining information

Material: Alcaro®AB4S/Sheets

Wire EDMExcellent

Die-Sinking EDM


Thread CuttingGood, Sharp
Welding (WIG)Good
Galvanic Surface TreatmentGood

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