Steel Flashcards
1
Q
% for mild
A
0.15-0.3%
2
Q
% for medium
A
0.3-0.6%
3
Q
% for high
A
0.6 - 1.25%
4
Q
% for ultra-high
A
1.25 - 2%
5
Q
uses for mild
A
structural/boiler plates, stampings, forgings, tubes
6
Q
uses for medium
A
forgings, car components,
0.4%: train rails, wheels axels
7
Q
uses for high
A
springs, wires, cutting tools, dies
8
Q
uses for ultra-high
A
tempered, non-industrial knives, punches, axels
9
Q
What does manganese do?
A
Lowers critical temp for annealing
10
Q
What does nickel do?
A
Increase toughness
Decrease expansion
11
Q
Eutectiod point of steel
A
0.76%
12
Q
Cast iron %
A
1.7-4.5%
13
Q
Eutectic point for lead tin alloy
A
Pb- 62%Sn, 183
14
Q
eutectic temp tin lead
A
183C
15
Q
eutectic temp steel
A
1147C
