Is grey cast iron cheap?

The popularity of grey cast iron components (gray iron castings) is because grey iron is one of the cheapest types of iron castings to produce. Grey Iron is also excellent in its ability to dampen vibrations making it ideal for machinery bases and as well as many housing applications.

What can grey cast iron be used for?

It is the most common cast iron and the most widely used cast material based on weight. It is used for housings where the stiffness of the component is more important than its tensile strength, such as internal combustion engine cylinder blocks, pump housings, valve bodies, electrical boxes, and decorative castings.

Is grey cast iron tough?

White cast irons are hard and brittle. Gray cast irons are softer with a microstructure of graphite in transformed-austenite and cementite matrix.

What is reason of low toughness of GREY cast iron?

Explanation: Grey cast iron has very poor toughness. Its major reason is notch like an effect of graphite flakes. These flakes increase stress concentration in it lowering toughness.

Is GREY iron brittle?

Gray iron contains more silicon and is less hard and more machinable than is white iron. Both are brittle, but a malleable cast iron produced by a prolonged heat treatment was developed in France in the 18th century, and a cast iron that is ductile as cast was invented in the United States and Britain in 1948.

What is the difference between grey and white cast iron?

Like gray cast iron, white cast iron features many small fractures. The difference is that white cast iron features cementite below its surface, whereas gray cast iron features graphite below its surface. The graphite creates the appearance of a gray color, while the cementite creates the appearance of a white color.

Which is the higher grade of grey iron?

The higher grades of grey cast iron (that is, Grades FG 300, FG 350 and FG 400) present special difficulties for section 10 mmand thinner.

What is the fatigue curve for cast iron?

Fatigue Analysis: Strain-Life Material Data Component Geometry Service Loading Analysis Fatigue Life Estimate eN curve se curve K f DS , S m Fatigue Seminar © 2003-2012 Stephen Downing, University of Illinois at Urbana-Champaign, All Rights Reserved 7 of 45 Cyclic Hardening / Softening

What is the classification and B ! asic of cast iron?

Classification and B!asic. Metallurgy of Cast Irons. THE TERM CAST IRON, like the term steel, identifies a large family of ferrous alloys. Cast. irons are multicomponent ferrous alloys, which. solidify with a eutectic.

Who is the professor of cast iron fatigue?

Cast Iron Fatigue Professor Stephen D. Downing Department of Mechanical Science and Engineering University of Illinois at Urbana-Champaign © 2011-2012 Stephen Downing, All Rights Reserved Fatigue Seminar © 2003-2012 Stephen Downing, University of Illinois at Urbana-Champaign, All Rights Reserved 1 of 45 Outline 1.