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EN-GJS-500-7, Ductile Cast Iron
GGG50 - on Jul. 30,
2012
EN-GJS-500-7 is middle grade of
ductile cast iron in European
standard DIN EN 1563, its equivalent
grade in DIN 1693 is GGG50. The
followings are its other equivalent
grades, its mechanical properties,
chemical composition, castings and
foundries.
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The Most Common Cast Iron Grades
Manufactured in China
- on Jul. 26, 2012
The followings are the most common gray
iron and ductile iron grades produced by Dandong Foundry, and also
for the most Chinese foundries.
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Advantages of Steel Casting
- on Jul. 24, 2012
Introducing the advantages of steel
casting by Dandong Foundry in China,
including the comparison with forged
steel parts, welded parts and iron
castings.
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ASTM A48 Class 25 Cast Iron
- on Jul. 19, 2012
ASTM A48 class 25 is a material
grade of gray cast iron in USA,
which is higher than class 20, but
lower than class 30. Its UNS number
is F11701. There are four specific
grades as ASTM A40 class 25A, 25B,
25C and 25S.
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Machining surface finish chart,
comparator, method, degree, Ra, Rz,
RMS - on Jul. 18,
2012
As for machining to iron and steel
castings, the surface finish smooth
degree is also an important
requirement. The following is the
conversion chart for Ra (um), Ra
(micro inch), Rz (um), RMS and
finish degree in China and USA,
including the related finish
methods.
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Large Cast Iron Castings
- on Jul. 17, 2012
Large cast iron castings mean the
casting parts with unit weight
higher than 500 kgs or larger than 1
meter. Because large iron castings
have more weight, so will require
sand molds to have higher strength.
Therefore, most of iron foundries
will produce them by resin sand
casting process.
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Sand Casting vs Investment
Casting - on Jul.
12, 2012
The comparison between sand casting
and lost wax investment casting
process, including their raw
materials, recycling, production
costs, casting appearance,
dimensional tolerance and
characters.
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The Metal Foundry -
on Jul. 05, 2012
Dandong Foundry is the metal
foundry, who has produced metal
castings for over 50 years in China.
The main products include gray iron,
ductile iron and carbon steel
castings with unit weight from
several kgs to 2 tons.
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Foundry
NZ - on Jul. 04,
2012
Dandong Foundry has produced many
iron and steel castings to New
Zealand market. Some are grey iron
and ductile iron castings, some are
large carbon steel and mild steel
casting parts.
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Chinese Cast Iron -
on Jul. 03, 2012
Chinese Dandong Foundry has produced
over 2000 different types of cast
iron parts in the past 50 days. The
followings are some iron castings
and their production processes.
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Casting Production - Processes,
Costs and Companies
- on Jun. 28, 2012
Dandong Foundry has been engaged in
casting production for over 50
years, mainly manufacturing grey
iron, ductile iron and cast steel
products. Herein, we will briefly
introduce the metal casting
production processes and related
costs.
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Custom Cast Iron -
on Jun. 26, 2012
Making a brief introduction to the
process of producing custom cast
iron parts, the types of custom cast
iron castings, and OEM manufacturers
in China.
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Cast Iron, Cast Steel, Metal
Castings, Production Prices,
Foundries and Manufacturers
- on Jun. 22, 2012
Dandong Foundry in China has shared
their experience to cast iron, cast
steel materials, metal casting
products, production processes and
prices in the past years.
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Cast
Metal - on Jun. 19,
2012
Metal castings are the base of
industry. There are many types of
cast metal methods, patterns and
casting parts.
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Sand Casting Foundries
- on Jun. 14, 2012
Introducing some sand casting
foundries in USA and China, whose
main products are various gray iron,
ductile iron and steel sand
castings.
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Cast Iron GGG40 - Ductile Iron
- on Jun. 13, 2012
Cast iron GGG40 is a low grade of
ductile iron. Our foundry has
produced this material for many
years, and herein, we introduce its
mechanical and chemical properties
and some iron castings made by this
material grade.
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Equivalent grades of gray iron,
ductile iron, sg iron, nodular
graphite iron - on
Jun. 11, 2012
This is a comparison table for the
gray iron and ductile iron grades of
various standards, including ISO,
GB, ASTM, DIN, EN, JIS, UNI, NF, BS,
IS, UNF, NBN, AS, SS, NS.
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Cast Iron Price - on
Jun. 07, 2012
Many clients asked us the cast iron
price per kg or per ton, but it is
very difficult to offer an accurate
price before considering many
factors and requirements. Herein,
let us make a brief introduction to
the cast iron price composition,
cost calculation and price
adjustment.
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Gray and Ductile Iron Foundries
- on Jun. 01, 2012
These are some iron foundries
specializing to produce gray and
ductile iron castings.
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