Question

What is the unit rate of parts of steel to parts of all other elements including carbon?

Here’s the reference table

Answer 1

30:1

Explanation:

90/3=30 and 3/3=1 so the unit rate is 30:1

Answer 2

Carbon steel is a steel with carbon content from about 0.05% up to 2.1% by weight. ... High carbon steel has many different uses such as milling machines, cutting tools ... wear resistance; used for large parts, forging and automotive components. ... with no internal stresses, which is often necessary for cost-effective forming.

Explanation: