Metals Flashcards
Hardness
the ability to resist abrasion, penetration, cutting or permanent distortion
Strength
the ability to resit deformation or breakage due to stress
density
the weight of a substance per unit volume
Malleability
the ability to be hammered or rolled into a shape
ductility
the ability for metal to be permanently drawn, bent, or twisted into various shapes
elasticity
the ability for metal to return to its original size and shape when the force that causes the change of shape is removed
Brittleness
this is the property of metal that allows little bending or deformation without shattering
Fusibility
the ability of a metal to become liquid by the application of heat
Conductivity
property that enables a metal to carry heat or electricity. Especially important in welding
Thermal Expansion
refers to contraction and expansion that are reactions produced in metals as the result of heating or cooling
Ferrous Metals
a group of metals having iron has their main component
Cast Iron
iron that is melted and poured into a mold that takes the shape of the mold. it is brittle hard and non-malleable
Wrought Iron
iron that is heated and worked upon with some tools to give it a decorative design
Steel
contains UP TO 2 % carbon. Higher carbon content makes a hard steel
Pure Aluminum
1XXX
Copper
2XXX
Manganese
3XXX
Silicon
4XXX
Magnesium
5XXX
Magnesium and Silicon
6XXX
Zinc
7XXX
Other Elements
8XXX
Unused Series
9XXX
F
as fabricated as rolled.
O
Annealed.
H
Strain Hardened.
W
Solution heat treated.
T
Thermally treated
H1
Strain hardened
H2
Strain-hardened and partially annealed
H3
Strain-hardened and stabilized
H4
Strain-hardened and lacquered or painted
T1
Cooled from an elevated temp and naturally aged
T2
Cooled from an elevated temp, cold worked, and naturally aged
T3
Solution heat treated, cold worked, and naturally aged
T4
Solution heat-treated and naturally aged
T5
Cooled from an elevated temp and artificially aged
T6
Solution heat treated and artificially aged
T7
Solution heat treated an stabilized
T8
Solution heat treated, cold worked, and artificially aged
T9
Solution heat treated, artificially aged, and cold-worked
T10
Cooled from elevated temp, cold worked, and artificially aged
Low Carbon steel
Contains less than .25% carbon
High Carbon steel
contains more than .5% carbon
Stainless Steel
an alloy of iron that contains at least 11% and smaller amounts of nickel and carbon
Titanium Steel
Alloy of iron and titanium
Wrought Aluminum series 1st number
represents the main alloying element
Wrought Aluminum series 2nd number
indicates a modification of a specific alloy
Wrought Aluminum series 3&4
arbitrary numbers assigned to specific alloys in the series
Wrought Aluminum 2000 Series
Copper
Wrought Aluminum 3000 series
Manganese
Wrought Aluminum series 4000
Silicon
Wrought aluminum series 5000
Magnesium
Wrought aluminum series 6000
Silicon and Magnesium
Wrought Aluminum 7000
Zinc
Titanium
strong as steel but less dense. Good Alloying metal
Copper alloys
Brass, bronze, Monel
Brass
Contains zinc and small amounts of aluminum, iron, lead, manganese, magnesium
Monel
the leading high nickel alloy. High strength and excellent corrosion resistance.
Monel contains
Nickel, coper, iron, manganese and small amounts of other elements
Normalization
is heating steel to approx. 150-225 degree F, then cooled to below that range in still air at ordinary temp.
Steel 10XX
Plain Carbon steel
Steel 11xx
Carbon steel with aditional sulfer for easy machining
Steel 13XX
carbon steel with about 1.75 % Manganese
Steel 40XX
.25% Molybdenum
Steel 41xx
1% chromium .25% molybdenum
Steel 43xx
2% nickel, 1% chromium, .25 molybdenum
steel 46XX
1.7% Nickel, .2% molybdenum
steel 48xx
3.5% nickel, .25% Molybdenum
Steel 51XX
1% chromium steel
stell 51XXX
1% Chromium, 1% carbon
Steel 52XX
1.5% chromium steels
steel 52XXX
1.5 % chromium, 1% carbon
steel 61XX
1% Chromium steel with .15% vanadium
steel 86xx
.5% chromium, .5% nickel, .20% molybdenum
steel 87xx
.5% chromium, .5% nickel, .25% molybdenum
steel 92xx
2% silicon steels, .85% manganese
steel 93xx
3.25% nickel, 1.20 chromium, .12% molybdenum