Year1
- 牌号：
- QT450-10
- 规格：
- 齐全
- Ductile Iron
Overview
Ductile iron is carbon in the form of spherical graphite. Its mechanical properties are far better than gray iron and close to Steel, which has excellent casting, cutting and wear resistance properties and a certain degree of elasticity, is widely used in the manufacture of crankshafts, gears, pistons and other advanced castings as well as a variety of mechanical parts.
Basic information
Chinese name
- Ductile iron
Material name
Ductile iron
Standard
Scope of application
Ferrite type Ductile iron has high toughness and plasticity. At low temperature, the toughness changes to brittleness, but the low temperature impact value is higher, and it has certain resistance to temperature acute changes and corrosion resistance. It has a wide range of uses. It is used in agricultural machinery, such as plows, plow columns, differential cases and other general machinery, as valve bodies, high and low pressure cylinders, etc. It can also be used as steel caps for power transmission lines.
Chemical composition
Carbon:
Silicon: .3
Manganese
Sulfur:
Phosphorus: .3
Magnesium:
Rare earth R:.3
Carbon equivalent:
Mechanical properties
Tensile strength:
Conditional yield strength. :
Elongation ():
Hardness: ~
Metallographic structure
Heat treatment specifications: as cast or normalized
Metallographic structure: as cast: graphite + ferrite (matrix structure) + pearlite
Normalizing: Graphite + more pearlite + ferrite can obtain higher comprehensive mechanical properties, especially improved plasticity and toughness.
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