Fundamentals of Materials Science and Engineering: An Integrated Approach, 3e

GTBL042-App-B GTBL042-Callister-v3 September 21, 2007 20:24

Appendix B / Properties of Selected Engineering Materials • 819

Table B.7 Room-Temperature Thermal Conductivity Values for

Various Engineering Materials

Thermal Conductivity

Material W/m-K Btu/ft-h-◦F

METALS AND METAL ALLOYS

Plain Carbon and Low Alloy Steels

Steel alloy A36 51.9 30

Steel alloy 1020 51.9 30

Steel alloy 1040 51.9 30

Stainless Steels

Stainless alloy 304 (annealed) 16.2 9.4

Stainless alloy 316 (annealed) 15.9 9.2

Stainless alloy 405 (annealed) 27.0 15.6

Stainless alloy 440A (annealed) 24.2 14.0

Stainless alloy 17-7PH (annealed) 16.4 9.5

Cast Irons

Gray irons

• Grade G1800 46.0 26.6


• Grade G3000 46.0 26.6


• Grade G4000 46.0 26.6
  Ductile irons


• Grade 60-40-18 36.0 20.8


• Grade 80-55-06 36.0 20.8


• Grade 120-90-02 36.0 20.8
  Aluminum Alloys
  Alloy 1100 (annealed) 222 128
  Alloy 2024 (annealed) 190 110
  Alloy 6061 (annealed) 180 104
  Alloy 7075-T6 130 75
  Alloy 356.0-T6 151 87
  Copper Alloys
  C11000 (electrolytic tough pitch) 388 224
  C17200 (beryllium–copper) 105–130 60–75
  C26000 (cartridge brass) 120 70
  C36000 (free-cutting brass) 115 67
  C71500 (copper–nickel, 30%) 29 16.8
  C93200 (bearing bronze) 59 34
  Magnesium Alloys
  Alloy AZ31B 96 a 55 a
  Alloy AZ91D 72 a 43 a
  Titanium Alloys
  Commercially pure (ASTM grade 1) 16 9.2
  Alloy Ti-5Al-2.5Sn 7.6 4.4
  Alloy Ti-6Al-4V 6.7 3.9
  Precious Metals
  Gold (commercially pure) 315 182
  Platinum (commercially pure) 71 b 41 b
  Silver (commercially pure) 428 247