Is ductile iron stronger than cast iron?
With regard to practical uses, ductile iron pipes are used in sewer and water lines. This is because they are much stronger than cast iron. Moreover, ductile iron is better than cast iron in difficult terrains. Ductile iron is mainly used in the automobile industry such as trucks, tractors and oil pumps.
Is ductile iron stronger than carbon steel?
Ductile iron has higher strength, better ductility, heat-resistance and toughness than grey iron, so it has a wider application, in some cases, ductile iron can replace carbon steel. Carbon steel has higher strength, very high ductility, and toughness, even better than ductile iron.
What are the properties of ductile iron?
Ductile iron—also referred to as spheroidal or nodular iron—is actually a group of irons that exhibit high strength, flexibility, durability, and elasticity due to their unique microstructure. Cast ductile iron normally contains over 3 percent carbon; it can be bent, twisted, or deformed without fracturing.
What is the grade of ductile iron?
Ductile Iron Grade Comparison
| Grade | Tensile Strength (psi) | Elongation |
|---|---|---|
| 80-55-06 > | 80,000 | 6 |
| 80-55-06X > | 80,000 | 6 |
| 100-70-03 > | 100,000 | 3 |
| 60-40-18 > | 60,000 | 18 |
What is the yield strength of cast iron?
| Physical Properties | Metric | English |
|---|---|---|
| Hardness, Vickers | 151 – 871 | 151 – 871 |
| Tensile Strength, Ultimate | 90.0 – 1650 MPa | 13100 – 240000 psi |
| Tensile Strength, Yield | 65.5 – 1450 MPa | 9500 – 210000 psi |
| Elongation at Break | 0.200 – 40.0 % | 0.200 – 40.0 % |
Why is ductile iron better than cast iron?
Ductile iron has excellent corrosion resistance, tensile strength, and yield strength. Unlike cast iron, ductile iron does not break when it is bent, so it is more suited for high demand applications. Ductile iron is a strong and reliable material for pipes, fittings, and valves.
Is ductile iron better than steel?
Steel has better shock resistance than ductile iron. However, ductile iron has better vibration damping properties rendering ductile iron mechanical components noticeably quieter.
How strong is ductile iron pipe?
Ductile Iron pipe Defines Durability Specifically, this pipe has minimum strength requirements of 10 percent elongation, 42,000 psi yield strength and 60,000 psi tensile strength. It’s made to resist damage during shipping.
Is 210 cast iron standard?
This standard was first pubIished in 1950 and subsequently revised in 1962, 1970, 1978 and 1993. The Pig Iron and Cast Iron Sectional Committee decided to revise IS 210 by merging it with IS 6331 : 1987.
What is the density of ductile iron?
An Introduction to Ductile Iron
| Property | Minimum Value (S.I.) | Maximum Value (S.I.) |
|---|---|---|
| Density | 7.05 | 7.25 |
| Energy Content | 60 | 72 |
| Bulk Modulus | 119 | 137 |
| Compressive Strength | 229 | 799 |
Which is more ductile steel or cast iron?
While there is no large difference when it comes to tensile strength, ductile iron has the greater yield strength (40 ksi). Cast steel, on the other hand, can only reach 36 ksi yield strength. As the strength of ductile iron increases ductility decreases.
What is stronger cast iron or steel?
The strength of both cast iron and steel is also controversial, as some think steel is stronger than cast iron and others think that iron and steel are same thing, but the truth is that cast iron has a more compressive strength, and steel is more tensile.