son of a nun
non heat-treatable alloys include?
1xxx,3xxx,4xxx,5xxx series aluminum pg.72
how much carbon content would be in punches and sheer blades?
0.85%-0.95% pg.28
all materials need to be brought up to approximately what temperature to aid in the removal of moisture (hydrogen) pickup
21 deg. C (70 deg. F) pg.83
Describe Upset
to make shorter or thicker pg.21
what is the melting point of of cast iron with 4.3% carbon
1147 deg. C (2097 deg. F) pg.25
properties of Lead?
good corrosion resistance, soft, and non magnetic pg.7
when repairing cast iron, what type of electrode composition is used and why?
nickel based electrodes, because nickel resists contamination. pg.41
what temperature is usually used when hot rolling steel?
800-1000 deg.C (1472-1832 deg. F) pg.18
ferrite and austenite pg.23
how can melting points be measured?
pyrometer or tempilstik pg.8
how is deoxidization achieved?
the addition of an element such as manganese, aluminum or silicon to molten metal. pg 17
what does bauxite ore contain?
45-60% aluminum oxide pg.66
3-25% iron oxide
2.5-18% silicon oxide
2-5% titanium oxide
minimal zinc compounds
what happens when solid iron hits the Curie point?
a change in magnetism occurs pg.31
what type of applications are used with wrought iron?
decorative work pg.6
what is metal?
a mineral substance (opaque and fusible) that can be formed and is capable of conducting heat and electricity pg.18
CSA G40.20/ G40.21 provides requirements that cover?
steel identification, marking requirements, tolerances on composition/ dimensions and mechanical testing requirements pg.10
what type of austenitic welding consumables reduce the possibility of HICC?
E309 Electrode pg59
what element and how much % is used in stainless steel to acquire stainless properties?
Chromium ( more then 10%) pg.50
which main organizations issue specifications for steel bars?
SAE and AISI pg.9
describe cementite, including the elemental symbols
an iron carbide phase in steel that is comprised of three iron atoms and one carbon atom (Fe3C) appears as small hard particles in the microstructure.
the temper designation "O" refers to what?
Annealed pg.77
what are two main considerations when welding ferritic stainless steel
minimizing grain growth and preventing sensitization pg.57
what happens when pure iron cools below the liquid state?
crystals begin to form in the liquid iron. pg.31
SAE and AISI system classification, clasifies 4340 as what?
Ni-Cr-Mo steel with 40 % carbon pg.11
what is done for both normalizing and annealing?
both heat treatments, the steel is heated to achieve 100% austenite pg.85