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Strontium modification is essential in the production of structurally
sound and dimensionally accurate Al-Si castings and fabricated
products. Strontium offers clear advantage over sodium or antimony-based
alloy additives, including safer addition, better recovery,
reduced fade and a
fume-free application.
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¢º Reduced tendency for hot-tearing
¢º Improved mechanical properties
¢º Reduced evenly distributed porosity
¢º Enhanced compositional homogeneity
¢º Better response to heat treatment
¢º Improved surface finish
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* Different composition(%) of alloys available upon
customer¡¯s request.
(Please click composition for the further information)
Element |
Composition(%) |
Color Code |
Aluminum Strontium
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AlSr5% |
Light
blue |
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AlSr10% |
Light
blue |
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AlSr15% |
Light
blue
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SLM
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Competitor
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Type |
Rod, Plate, Bar type |
Waffle |
|
18kg/mm2 |
16kg/mm2
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10%
|
7% |
Recovery
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More than 97% |
80-85% |
Porosity
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Less
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more |
| Particle Size |
minute
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Not minute |
Particle distribution
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uniform
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Not uniform |
| Diffusion Velocity |
high
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low |
Diffusion Time
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Less than 10 min |
More than 30 min |
Product Size
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customized
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Specific cutting |
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