FOUNDRY CAPABILITIES

Chicago Aluminum Castings Co. provides engineering assistance to help design cost effective cast aluminum parts, or to help turn fabricated parts into castings of greater economy, productivity and end-result efficiency. We assist with pattern design to customer requirements to insure accuracy and proper gating/risering techniques. High engineering standards coupled with scrupulous quality control procedures insure that the quality of our castings meets all technical requirements

Plant:	14,000 Sq. Ft. foundry

Equipment:	2 jolt-squeeze units
	20″ x 24″ C-Series Hunter automatic molding machines
	3 500 lb., gas fired, crucible-type melting furnaces

Molding:	loose molding
	match plate molding
	automatic molding

Capability:	from 1 oz. to 120 lbs

Work:	loose work
	floor work
	prototypes
	squeezer
	Hunter HMP-20C (deep flask)

Inserts:	steel inserts
	brass inserts
	iron inserts

Secondary Operations:	heat treating
	polishing
	anodizing
	assembly
	impregnating
	machining

Surface Treatments:	polishing
	anodizing
	painting
	hardcoating

Testing:	spectrometer disc (chemical composition)
	tensile bars (mechanical properties)
	x-ray
	dye-penetrant

CAST ALUMINUM ALLOYS:

Alloys	Tensile PSI	Yield PSI	Elong. %	Brinnell
ALMAG 35 (535)+: -high tensile strength -machinability	38,000	20,000	9.0%	70
*Tenzalloy (713):** -high strength	36,000	26,000	5.0%	74
Alloy 319: -general low cost uses	27,000	18,000	2.0%	70
*Alloy 355:** -pressure tight applications	27,500	15,500	3.5%	75
*Alloy 356:** -pressure tight applications	25,000	13,000	7.0%	65
*Precedent (771)+:** -replaces malleable iron -high yield strength -impact resistance	43,000	33,000	5.0%	93
*Alloy A-206 T71+:** -high fatigue properties -impact properties	54,000	45,000	3.0%	95
Alloy 443: -pressure applications	24,000	9,000	8.0%	45

* heat treatable for increased mechanical properties+ Technical Brochure available upon request