What-is steel?

What is stainless steel?

What is the coefficient of linear expression of steel?

What is the most widely used process for making steel?

A steel tape 1 m long is correctly calibrated for a temperature of 27.0 ""^(@)C . The length of a steel rod measured by this tape is found to be 63.0 cm on a hot day when the temperature is 45.0 ""^(@)C . What is the actual length of the steel rod on that day? What is the length of the same steel rod on a day when the temperature is 27.0^(@)C ? Coefficient of linear expansion of steel =1.20 times 10^(-5)K^(-1) .

A steel tape 1m long is correctly calibrated for a temperature of 27^@C . The length of a steel rod measured by this fape is found to be 63cm on a hot day when the temp. is 45^@C . What is the actual length of the steel rod on that day?

Write two used of stainless steel.