austempered ductile iron abhishek alloys pvt...
TRANSCRIPT
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What Is the Austempering
Process? A high performance heat treatment that imparts
superior properties to ferrous materials.
A material that can be ~3x’s the yield strength of
the highest strength as-cast ductile iron?
A material that can be made lighter than
aluminum with the same/greater strength?
A material Lower in cost than aluminum, steel,
and steel forgings?
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What Does Abhishek Alloys
Austemper Facility Do?
Austempered Ductile Iron (ADI)
Austempered Gray Iron (AGI)
Austempered Steel
Carbo-Austempered™ Steel
Carbidic Austempered Ductile Iron (CADI)
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ASTM Ductile Iron Specifications
Grade
Tensile
Strength
(MPa / Ksi)
Yield
Strength
(MPa / Ksi)
Elongation
(%)
60-40-18 414 / 60 276 / 40 11
65-45-12
448 / 65 310 / 45 12
80-55-06 552 / 80 379 / 55 6
100-70-03 689 / 100 483 / 70 3
120-90-02 827 / 120 621 / 90 2
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ADI starts with High Quality Ductile
Iron
Consistent Pearlite
Ferrite Ratio
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What is High Quality Ductile Iron?
Consistent Chemistry
Consistent
Pearlite/ferrite Ratio
100+ nodules/mm2
minimum
90%+ Nodularity
< 0.5% carbides &
inclusions
< 1% porosity and/or
micro shrinkage
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ADI is…
…heat treated by the
Austempering process
resulting in a matrix of acicular
ferrite and carbon stabilized
austenite, better known as
“Ausferrite”.
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The Austemper Heat Treat Process This schematic diagram illustrates the various
phases of the ADI heat treat cycle.
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ADI Microstructures
Grade 1
ADI
Grade 5
ADI
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Austempering Heat treat Facilities
AUSTEMPER BATCH FURNACE
SCHEMATIC
ATMOSPHERE
CONTROL SYSTEM
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Austempering Heat treat
Facilities
11
Fully Automatic Atmosphere and Process Control Batch type
Austempering Furnace with Post Wash Plant
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Austempering Heat treat
Facilities
12
Fully Automatic Atmosphere and Process Control Batch type
Austempering Furnace with Post Wash Plant
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Quality Certifications
ISO 14001-2004 (2014)
ABHISHEK ALLOYS PVT LTD
ISO/TS 16949:2002 (2004)
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ADI …
…has a strength-to-weight
ratio higher than aluminum
and is used to replace steel
and aluminum castings,
weldments and forgings.
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How Does ADI Compare to
Steel and Aluminum?
Steel ADI Costs 20% less than steel
ADI is 10% less dense than steel
ADI has Improved Noise Damping
ADI has improved Machinability
Aluminum ADI has a Minimum 30% cost savings
ADI is 3 Times Stronger
ADI is 2.3Times Stiffer
ADI has improved Fatigue strength
ADI has Better Wear resistance
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Relative Machinability of Various
Materials
0
20
40
60
80
100
120
140
65-45-12
Ductile Iron
AISI 1110
Free
Machining
Steel
80-55-06
Ductile Iron
110-70-11
ADI
100-70-03
Ductile Iron
125-80-10
ADI
AISI 4140
Steel at
Rc30
ADI ADI
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What does ADI have to
Offer for the end-user? High strength-to-weight ratio Can replace aluminum pound for pound.
Good wear resistance (Transformation to martensite during field use)
Good fatigue strength
Good manufacturability Nearer net shape than forgings or weldments
Excellent as-cast machinability
Low product cost
Less cost than comparable steel or aluminum components
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ABHISHEK ALLOYS PVT LTD
The solution provider for Ductile and Gray Iron castings
Foundry Products
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ADI Multi-function Bracket for Trucks
Component being currently Heat Treated
at AAPL Austemper Facility
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Contact us at
Dec 2015
ABHISHEK ALLOYS PVT LTD
Plot No. 58, Machhe Industrial Estate,
Belgaum – 590 014.
+91-831-2411040