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Castasil-37

AlSi9MnMoZr | High-pressure die casting

Manufacturer-reported values. Do not use as certified design allowables. View sources ↗

TemperWallYield MPaTensile MPaElong. %
F2–3 mm120–150260–30010–14
F3–5 mm100–130230–28010–14
F5–7 mm80–110200–25010–14

Chemical composition

Reported weight-percent bounds. A blank lower bound means only an upper threshold was reported.

Element / source labelMinimum wt%Upper wt%
Si8.510.5
Fe—0.15
Cu—0.05
Mn0.350.6
Mg—0.06
Zn—0.07
Mo0.10.3
Zr0.10.3
Ti—0.15
Sr0.0060.025
others—0.1

Physical and thermal properties

PropertyReported valueUnitCondition
density2.69kg/dm³20 °C
young modulus68–75GPa20 °C
electrical conductivity18–22MS/m20 °C

Fatigue

Source-reported fatigue values; conditions must be compared before use.

PropertyValueStress ratioCyclesCondition
Fatigue strength86 MPa-11,000,000F; Kt 1.2

Processing properties

Source-reported comparisons, not certified limits.

PropertyReported value
stability of mechanical propertiesvery good
hot crack tendencylow
sticking tendencylow
die life>80%
linear shrinkage0.4–0.6%

Data under review

Thermal Expansion withheld: 2015 and 2018 original-developer tables report different coefficients; applicability of the later table requires review.

Primary Aluminium Alloys for Pressure Die Casting ↗ — PDF p. 14, Physical composition, Linear thermal expansion coefficient row

Primary aluminum HPDC Alloys for Structural Casts in Vehicle Construction ↗ — PDF p. 15, Castasil-37 Physical data, Coefficient of thermal expansion

Thermal Conductivity withheld: 2015 and 2018 original-developer tables report different thermal conductivity values; applicability of the later table requires review.

Primary Aluminium Alloys for Pressure Die Casting ↗ — PDF p. 14, Physical composition, Thermal conductivity row

Primary aluminum HPDC Alloys for Structural Casts in Vehicle Construction ↗ — PDF p. 15, Castasil-37 Physical data, Thermal Conductivity

Solidification Range withheld: 2015 and 2018 original-developer tables report different solidification endpoints.

Primary Aluminium Alloys for Pressure Die Casting ↗ — PDF p. 14, Physical composition, Solidification range row

Aluminium Casting Alloys, 2018 foldout ↗ — PDF p. 9, Castasil-37 aligned physical-properties row

Evidence

Primary Aluminium Alloys for Pressure Die Casting — RHEINFELDEN ALLOYS

Technical information: Castasil-37 / AlSi9MnMoZr — RHEINFELDEN ALLOYS

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