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MMET 207 Exam II Questions with 100% Correct Answers

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MMET 207 Exam II Questions with 100% Correct Answers

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MMET 207 Exam II Questions with
100% Correct Answers

What is hot finished steel? - Answer- it is worked at elevated temperature until its final
form

What is cold finished steel? - Answer- it is worked at room temperature in the last
stages of finishing

Is cold or hot finished more expensive? - Answer- Cold finished

What are the characteristics of hot finished steel? - Answer- -poor surface finish
-looser dimensional control

What are the characteristics of cold finished steel? - Answer- -higher cost


The first two digits of the SAE numbering system indicate _____ - Answer- alloying
element if present

The last two digits of four, or last three of five indicate ____ - Answer- nominal carbon
content in points

10 - Answer- plain carbon steel

11 - Answer- resulfurized steel

41 Chemistry - Answer- Carbon, Manganese, Chromium, Molybdenum

43 Chemistry - Answer- Carbon, Manganese, Nickel, Chromium, Molybdenum

Prefix E - Answer- made in electric arc furnace

Prefix X - Answer- composition varies from normal (also referred to as modified)

Suffix H - Answer- indicates steel will meet certain hardenability requirements

If a steel meets certain hardenability requirements, that means ____ - Answer- carbon
and alloy contents are at the high end of the acceptable range

B - Answer- Indicated steel with boron as an alloying element

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