There are three classes of steel based on their levels of deoxidation what are thay?
Rimmed, Killed, Semi-Killed
what is the carbon content of mild steel?
0.15-0.30
how may steel types are in CSA G40.2
7
is a flame test real
yes
what is the melting point of steel
1535 c (2800 f)
what are the advantages of rimmed steel?
excellent rolled surface, good for sheet steels
what is the alloying elements of high alloy steel?
0.50-0.80
what is made from iron and carbon greater than 2%
cast iron
A heated chamber where ingots are left to soak?
Soaking pit
what will heat up faster copper or iron?
copper
what are 4 continous casting eliminates the following cost fractors when compared with ingot casting?
teeming, mould stripper, soaking pit, ingot brakedown mill
what is the alloying element of high alloy steel?
10% or more
how many test for identifing metals are there
6
what is the point where a metal extends plastically without much change in stress?
yield point
what is a different name for blast furnace ?
pig iron
how many hot dip galvanizing prodess is there?
6
low-alloy steel contain small amounts of alloying elements what % is it?
5%
what colour sparks will low carbon steel have?
yellow
the SI unit is the what?
ohm meater
Tungsten arc melting point
6430 c (11,600 f)
what are all 6 of the structural shapes?
W, S, T, equal leg angle, channel, unequal leg angle
the weldability of most HSLA steels is similar to what?
Carbon steel
what dose a carbon bursts look like
* star
what is the tensile strangth of grey iron
100-400 MPa
what UNS series is cast iron?
F00001-F99999