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Technology
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The
newly developed martensitic stainless steel, magnetic ductile iron, low
carbon and super-low alloy cast steel, nickel austenitic corrosion
resistant cast iron and boron cast steel have been successfully used in
industry and national key military projects, such as: driving mechanism
for control rods, support of the main equipment, water filter mechanism,
etc.
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A
developed low pressure casting technology for pressure-resisting copper
casting has been applied to fabricate some of key parts and components
for national important engineering project. Permanent mould casting
technology has been applied to fabricate in large amount of castings for
automobile.
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In
1989 the first CSP plant was used to cast only simple carbon steels,
while nowadays almost the whole range of hot-rolled wide flat products,
including stainless ferritic and austenitic steel grades, is covered.
Market and Report
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The
metal casting industry is one of the most energy-intensive manufacturing
sectors with the melting process accounting for over half (55%) of its
energy consumption. Although its high energy expenses have been a
significant concern for metal casters, the industry continues to use
melting technologies with poor energy efficiency.
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Larger
companies within the foundry industry in South Africa have made
significant strides, and are catching up with international foundry
operating standards.
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In
India there are approx 4500 units out of which 80% can be classified as
Small Scale units & 10% each as Medium & Large Scale units. Approx 500
units are having International Quality Accreditation.
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The
large foundries are modern & globally competitive & are working at
nearly full capacity. Most foundries use cupolas using LAM coke.
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There
is growing awareness about environment & many foundries are switching
over to induction furnaces & some units in Agra are changing over to
cokeless cupolas.
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