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High-Strength Cast Iron Parts

Weiyu is a company that can provide a variety of high-quality, full range cast iron products, including gray cast iron, ductile iron, high silicon molybdenum ductile iron, isothermal quenched ductile iron (ADI), and other special customized materials. ADI has a high elongation rate and an advantage over other materials in terms of tensile strength, making it commonly used in many industrial components such as turbine housings, cylinder chambers, exhaust manifolds, chassis, and cantilever supports. It is widely used in the fields of transportation, agricultural machinery, and construction machinery. Currently, there is a significant increase in global demand for ADI.

In addition to ADI, Weiyu has also developed other types of high-quality cast iron materials, such as low-temperature impact resistant ductile iron. This material has better impact resistance at low temperatures, making it an ideal choice for mechanical parts in low-temperature environments. In addition, Weiyu has been researching and developing cast iron with high ferrite structure and high spheroidization rate, which will be used for various mechanical parts. As mentioned above, Weiyu is a trusted supplier of cast iron products, capable of providing customers with a variety of high-quality, full specification cast iron products to meet their needs.



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Cast iron materials are usually smelted in different proportions of pig iron, scrap steel and ferroalloys, etc.



Main Types and Properties of Cast Iron Processed
Gray Cast Iron
Characteristics
Graphite is in the form of a flake. It has advantages in cost, castability, workability, shock absorption, and intermetallic friction. It is still the most widely used type of cast iron in industries.
Comparison Table of Cast Iron in Various Countries
Countries Standards Grades
EU EN 1561 GJL 200 GJL 250 GJL 300
Germany DIN 1691 GG-20 GG-25 GG-30
Japan JIS.G5501 FC200 FC250 FC300
USA ASTM A48 Class 25 Class 35 Class 40
USA SAE J431B G2500 G 3500 G4000
Ductile Cast Iron
Characteristics
It is a high-performance cast iron obtained by white cast iron after spheroidizing and inoculating. The precipitated graphite is spherical, so it is called ductile cast iron. The plasticity and toughness of ductile cast iron have been greatly improved compared to ordinary cast iron, so it can replace steel in some areas.
Comparison Table of Cast Iron in Various Countries
Countries Standards Grades
EU EN 1563 GJS 400/12 GJS 500/7 GJS 600/3
Germany DIN 1693 GGG-40 GGG-50 GGG-60
Japan JIGG5502 FCD400 FCD500 FCD600
USA ASTM A536 65-45-12 70-50-07 80-60-03
USA SAE J434B D4512 D5007 D6003