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IQ QUIZ#

65

CATEGORY

Materials

Which material has the highest machinability rating in the steel family?

A
1045
B
1018
C

12L14

D

4140

Which material has the highest machinability rating in the steel family?
C
12L14 has the highest machinability rating in the steel family.
WHY
12L14 also known as "Ledloy," is a free-machining steel that contains added lead and sulfur, achieving a machinability rating of ~190% compared to 1212 baseline. It machines easily with excellent chip control, making it a top choice for high-speed production.
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