zinc alloys


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zinc alloys

Alloys Men

Alloys for pressure
die-casting

Properties
quality control
guidelines
and norms
Supply
General
prperties

Alloys with high
aluminium content

Properties
quality control
guidelines
and norms
Supply
General
properties

Alloys for
centrifugal casting

Properties
quality control
guidelines
and norms
Supply
General
properties

 

 

zinc alloys
 

Certifications
zinc alloys
                       2002

 

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zinc alloys

GENERAL PROPERTIES

 

 
PHYSICAL  SIZIN 1  SIZIN 2  SIZIN S
 
Density Kg/dm3  6,7  6,6  6,6
Melting range C  380390  353358  360365
Specific heat capacity J/KgK  418,6  418,6  418,6
Thermal conductivity at 20C W/mK  104  104  104
Optimum casting range C  420430  390400  380420
Thermal linear expansion cm/cmx10-6/C    27,7  28,0  -
Linear shrinkage %  1,085  1,085  1,080
Maximum casting temperature C  450  425  450
 

 

 
CHEMICAL (test%)   SIZIN 1  SIZIN 2  SIZIN S
 
Aluminium  3,94,3  3,94,3  4,04,6
Copper  2,73,5  2,73,5  2,83,1
Magnesium  0,090,14  1,802,20  0,500,70

Impurities: Lead  max 0,003  max 0,003  max 0,003
Cadmium  max 0,003  max 0,003  max 0,003
Tin  max 0,001  max 0,001  max 0,001
Iron  max 0,030  max 0,030  max 0,030
Zinc  remainder  remainder  remainder
 

 

 
MECHANICAL
(the values refer to the cast item)
 SIZIN 1  SIZIN 2  SIZIN S
 
Sand casting

Tensile strength MPa     200-220  160-180 200-250
Linear elongation %  1,0-1,5  molto basso  -
Brinell hardness (500 kg) HB  105-110  145-150  145-150
Tensile strength at compression (0,1%) MPa  800-850  680  700
 

 

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