(21) The strength of steel increases with increasing carbon% in the ra

1.	(21) The strength of steel increases with increasing carbon% in the range
Answer» INCREASING carbon content increases hardness and STRENGTH and improves hardenability. But carbon also increases brittleness and reduces weldability because of its tendency to form martensite. This MEANS carbon content can be both a blessing and a CURSE when it comes to commercial steel.✔✌✌✌✌Explanation:

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(21) The strength of steel increases with increasing carbon% in the range​

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(21) The strength of steel increases with increasing carbon% in the range