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
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
