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Geometric Tolerances


GDT
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ISO tolerance for holes
Surface Roughness
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Quality Control Co

tAQL
Process Capability CPK
Sampling plan
AQL Level I, II, III


E

Electrical Conductivity of Metals


  
Metal
Relative
Conductivity*
Temperature
Coefficient of
Resistance**
Tensile
Strength
(lbs./sq. in.)
Composition
of Earth's Crust
(% by Weight)
Aluminum (2S; pure)
59
0.0039
30,000
8.1
Aluminum (alloys):
  • Soft-annealed
  • Heat-treated

  • 45-50
    30-45






    Brass
    28
    0.002-0.007
    70,000
    Cadmium
    19
    0.0038
    .0001
    Chromium
    55
    .02
    Climax
    1.83
    0.0007
    150,000
    Cobalt
    16.3
    0.0033
    .002
    Constantin
    3.24
    0.00001
    120,000
    Copper:
    Hard drawn
  • Annealed

  • 89.5
    100

    0.00382
    0.00393

    60,000
    30,000


    .007
    Everdur
    6
    Gold
    65
    0.0034
    20,000
    .0000005
    Iron:
  • Pure
  • Cast
  • Wrought

  • 17.7
    2-12
    11.4

    0.005





    5.0

    Lead
    7
    0.0039
    3,000
    .002
    Magnesium
    0.004
    33,000
    2.1
    Manganin
    3.7
    0.00001
    150,000
    Mercury
    1.66
    0.00089
    0
    .00005
    Molybdenum
    33.2
    0.004
    .001
    Monel
    4
    0.002
    160,000
    Nichrome
    1.45
    0.0004
    150,000
    Nickel
    12-16
    0.006
    120,000
    .008
    Nickel silver (18%)
    5.3
    0.00014
    150,000
    Phosphor bronze
    36
    0.0018
    25,000
    Platinum
    15
    0.003
    55,000
    .0000005
    Silver
    106
    0.0038
    42,000
    .00001
    Steel
    3-15
    0.004-0.005
    42,000-230,000
    Tin
    13
    0.0042
    4,000
    .004
    Titanium
    5
    50,000
    .4
    Titanium, 6A14V
    5
    130,000
    Tungsten
    28.9
    0.0045
    500,000
    .007
    Zinc
    28.2
    0.0037
    10,000
    .01

      

    Electrical conductivity, conductivity thermal. Thermal Expansion and conductivity of metal

     

     

    Mate

    Materials & Tretment

    Annealing metal
    Case hardening
    Material density
    Electrical Conductivity
    heat treating steel

    Aluminum


    Equivalent and standards

    Comparision table

    Alu comparison table
    Carbide equivalent chart
    Carbon Steel
    Copper alloy
    Low alloys
    Nickel alloys
    Stainless Steel
    Steel comparison table
    Tool Steel equivalent
    Tungsten Carbide
    Wrought stainless Steel
    Inch - metri Conversion Charts
    Periodic Table of elements


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