ALLOYS AVAILABLE

Match your alloy to your application

PPF pours four different alloys differentiated by chemistry and application. Use the chart below to find and compare different alloys. For more detailed information on alloy properties, visit our full “Standards for Aluminum Sand and Permanent Mold Castings” page or contact PPF to discuss your requirements.

If you do not see your desired alloy, please contact us.

Alloy Properties	Aluminum- Silicon-Copper Based 319/F	Aluminum- Silicon-Magnesium Based A356/T61	Aluminum- Magnesium Based 535/F	Aluminum- Zinc Bases 713/F
Tensile Strength/ Ultimate Yield	28/14 ksi*	37/26 ksi*	35/18 ksi*	32/22 ksi*
Elongation	2%	5%	8%	4%
Heat Treatable	Not required	Yes	Not required	Not required
Corrosion Resistance	3	2	1	3
Anodizing Properties	4	4	1	1
Machinability	3	3	1	1
PressureTightness	2	1	5	4
Polishing	4	4	1	1
Weldability	2	1	4	4
Molding Process	S&P**	S&P**	S**	S**

*Mechanical properties related to aluminum permanent mold castings. Values for sand castings are typically lower.

**S = Sand Mold, P= Permanent Mold

Key to Range:
1= Most suitable for this application; 5= Least suitable for this application

Alloys Benefits

Aluminum-Silicon-Copper based
319 – ALCAST

Benefits:

Lower material costs

Applications:

Housings, general shapes

Aluminum-Silicon-Magnesium based
A356
F356

Benefits:

Good strength and ductility, heat treatable

Molding process:

Sand and permanent mold

Applications:

Structural, brackets, housings, valve bodies

Aluminum-Magnesium based
535 – ALMAG

Benefits:

High tensile strength
good corrosion resistance
good anodizing properties
good machinability
good ductility

Applications:

brackets, parts needing to hold a shine

Aluminum-Zinc based
713 – TENZALLOY

Benefits:

high strength, heat treatment not required thus dimensional stability

Applications:

housings, brackets.