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A354 VersaCast

A354 VersaCast (Alcoa) | Permanent mold or squeeze casting

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

TemperWallYield MPaTensile MPaElong. %
T6 · Permanent mold casting (low-pressure die casting)Not specified350–380450–4704–6
T6 · Squeeze castingNot specified320–350380–4008–12

T6 condition: Source row label is P.M.-T6²; its superscript is undefined on this sheet. Manufacturer-reported typical range; elongation gauge length is 2 in. Achievable properties depend on casting process. Test temperature, wall thickness and sample distribution are not specified.

T6 condition: Source row label is Squeeze Cast.-T6¹; its superscript is undefined on this sheet. Manufacturer-reported typical range; elongation gauge length is 2 in. Achievable properties depend on casting process. Test temperature, wall thickness and sample distribution are not specified.

Chemical composition

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

Alcoa reports A354 chemistry in wt.%; single values are maxima. The chemical table is source-reported, not a universal certified limit.

Element / source labelMinimum wt%Upper wt%
Si8.010.0
Fe—0.2
Cu1.32.1
Mg0.250.45
Ti—0.12
Others Each—0.05
Others Total—0.15

Physical and thermal properties

PropertyReported valueUnitCondition
density2.7g/cm³typical; temperature not reported
young modulus71–74GPatypical; temperature not reported
thermal conductivity172–217W/(m·K)typical; temperature not reported
electrical conductivity32–36%IACStypical; temperature not reported
solidification range510–595°Ctypical; source prints 595–510 °C

Fatigue

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

PropertyValueStress ratioCyclesCondition
Fatigue Endurance70–90 MPa-110,000,000T6; Permanent mold casting (low-pressure die casting); Source row label P.M.-T6²; test temperature, wall thickness and sample distribution not reported.
Fatigue Endurance80–100 MPa-110,000,000T6; Squeeze casting; Source row label Squeeze Cast.-T6¹; test temperature, wall thickness and sample distribution not reported.

Processing properties

Source-reported comparisons, not certified limits.

PropertyReported value
castabilityVery good; suitable for sand and permanent mold casting
machinabilityVery good
weldabilityGood
corrosion resistanceASTM G110: similar to A359; Alcoa states Cu additions do not change corrosion mode or depth of attack

Evidence

Alcoa Specialty Alloys: A354 VersaCast Technical Data — Alcoa Corporation

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