e-mail info@sure-cast.com


 

 


Capabilities

  SCI Manufacturing is a full-service die casting facility. Offering aluminum and zinc die castings, we manufacture miniature to large precision components utilizing hot and cold chamber die casting technologies. Our knowledge, and experience combined with structured project management, supports customers from concept, through rapid prototyping, tooling and pre-production, into full-scale manufacturing.

(A380) Aluminum Benefits
• Withstands high operating temperature
• Outstanding corrosion resistance
• Lightweight
• Very good strength and hardness
• Good stiffness and strength to weight ratio
• Excellent EMI shielding properties
• Excellent thermal conductivity
• Good finishing characteristics
• Fully recyclable
• Aluminum die cast alloys are secondary alloys 100% derived from primary aluminum scrap


(A380) Aluminum Alloy Specifications
Specification  
Commercial
380-3%
SAE
306
ASTM
3A380.15
Federal
QQ-A-591D-11

(A380) Aluminum Alloy Composition
Elements Metric
Aluminum, Al 
Balance
Cadmium (max)
-
Copper, Cu
3.0-4.0
Iron, Fe 
2.0
Lead (max)
-
Magnesium, Mg 
0.10
Manganese, Mn 
0.50
Nickel, Ni
0.50
Silicon, Si 
7.5-9.5
Tin, Sn 
0.35
Zinc, Zn 
3.0

(A380) Aluminum Alloy Properties
Properties Metric
Tensil Strength (ksi)
47
Yield Strength (ksi)
23
Elongation (% in 2")
3.5
Shear Strength (ksi)
28
Fatigue Strength (ksi)
20
Specific Gravity
2.71
Lbs. per Cubic Inch
0.098

(A380) Aluminum Alloy Characteristics
Characteristics  
Machinability
Good
Castability
Excellent
Corrosion Resistance
Fair
Anti-Soldering 
Excellent
Polishing
Fair
Anodizing Appearance  
Fair
Preasure Tightness
Good
Bearing Wear
-

 

(Zamak 3) Zinc Benefits
•High strength & hardness
•Excellent electrical conductivity
•High thermal conductivity
•Low-cost raw material
•High dimensional accuracy and stability
•Excellent thin-wall capability
•Ability to cold form facilitates fastening and joining
•High-quality finishing characteristics
•Outstanding corrosion resistance
•Fully recyclable

(Zamak 3) Zinc Alloy Specifications
Specification  
Commercial
3
SAE
J468b 903
ASTM
B86-83 Z33521
Federal
QQ-Z-363B AG40A

(Zamak 3) Zinc Alloy Composition
Elements Metric
Aluminum, Al 
3.5-4.3
Cadmium (max)
0.004
Copper, Cu
0.25
Iron, Fe 
0.10
Lead (max)
Magnesium, Mg 
0.02-0.05
Manganese, Mn 
-
Nickel, Ni
-
Silicon, Si 
-
Tin, Sn 
0.003
Zinc, Zn 
Balance

(Zamak 3) Zinc Alloy Properties
Properties Metric
Tensil Strength (ksi)
41
Yield Strength (ksi)
-
Elongation (% in 2")
10
Shear Strength (ksi)
31
Fatigue Strength (ksi)
6.9
Specific Gravity
6.6
Lbs. per Cubic Inch
0.240

(Zamak 3) Zinc Alloy Characteristics
Characteristics  
Machinability
Excellent
Castability
Excellent
Corrosion Resistance
Good
Anti-Soldering 
Good
Polishing
Excellent
Anodizing Appearance  
Good
Preasure Tightness
Good
Bearing Wear
-


















 



Michael A. Barclay
email: mbarclay@sure-cast.com

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