What are the differences between an steel rule and a normal ruler?

Because steel ruler is durable and flexible

nothing because it is steel is steel

Steel is a ferrous metal, aluminum is a non-ferrous metal

Cast steel is rusty. Normal steel can turn rusty :) xxx

A micrometer is used to measure the thickness of a steel ruler.

Chrome is more durable and cheaper than stainless steel.

no, steel is not better conductor than aluminum due to structural differences between them. ...

A ruler made of stainless steel.

Stainless steel and carbon steel pipe differ only in their physical properties like elasticity, toughness, and corrosion resistance. ...

Plastic rulers are made from a polymer with a lower melting point than steel. A steel ruler will still melt, it's just that a higher temperature is needed. ...

stainless steel has chromium added to the steel, which forms a protective oxide layer at the surface, preventing corrosion (rust). ...

Mild steel is plain bars of yield strength=250MPa & tor steel is twisted bars of yield strength =415MPa. ...

they both rust and are good conducter of electricity

That is the correct spelling of "ruler" (a wooden or steel rule, or a monarch.) ...

a ruler or steel tape is more accurate becoz meter scale works less than ruler ...

Ferrous metals are based on the element iron. (steel, stainless steel, etc.) ...

you use it in technology and car care you use the steel ruler for straight lines for wood and plastic and other things. ...

Not much, avaliability is the same also. Our default has changed to killed carbon steel. ...

the difference is the max load which the material will withstand until failure 52 stands more than 37 ...

a steel ruler is used as an everyday ruler, just that it is steel for uses in dangerous uses like in wood work or metal work. hope my really bad info helped. :L ...

Stainless means that it will not rust under normal conditions, cast means that it is poured into a mold. ...

Stainless Steel is used because it has an higher corrosion resistance over normal steel. ...

Steel is stronger then gold and more abounded then gold ... Gold is worth more the steel ... Gold is less abounded ... the main reason why Gold is worth more then steel is that it does not oxide ... which means it don't rust ... ...

That will depend on the size of the ruler and what it is made out of. A plastic or wooden ruler will be very light, maybe an ounce. A steel ruler will weigh much more. ...

Accuracy has more to do with the measurement lines on the ruler than the material. In terms of making measurements , however, a steel ruler has several advantages to a plastic ruler of the same accuracy. For starters, steel rulers are often thinner than plastic rulers, positioning the measurement lines closer to the paper. As well as this, many steel rulers feature a backing made of a gripping material such as cork, which keeps the ruler firmly planted while drawing lines and...