Chapter 12      Physical Properties of the Elements & Steel

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 THERMAL CONDUCTIVITIES OF CARBON & ALLOY STEELSa, d

 37.5c

 AISI/

 

0 C

100 C

200 C

300 C

400 C

500 C

600 C

700 C

800 C

1000 C

1200 C
 SAE

Condition

 32 F 212 F 392 F 572 F 752 F 932 F 1112 F 1292 F 1472 F 1832 F 2192 F
 1008 Unknown 59.5 57.8 53.2 49.4 45.6 41.0 36.8 33.1 28.5 27.6 29.7
 1008 Annealed 65.3b 60.3 54.9 --- 45.2 --- 36.4 --- 28.5 27.6 ---
 1010 Unknown --- 46.7 --- --- --- --- --- --- --- --- ---
 1015 Annealed 51.9 51.0 48.9 --- --- --- --- --- --- --- ---
 1016 Annealed 51.9 50.2 47.6 --- --- --- --- --- --- --- ---
 1018 Annealed 51.9 50.8 48.9 --- --- --- --- --- --- --- ---
 1020 Unknown 51.9 51.0 48.9 --- --- --- --- --- --- --- ---
 1022 Annealed 51.9 50.8 48.8 --- --- --- --- --- --- --- ---
 1025 Annealed 51.9 51.1 49.0 46.1 42.7 39.4 35.6 31.8 26.0 27.2 29.7
 1026 Annealed 51.9 50.1 48.4 --- --- --- --- --- --- --- ---
 1029 Annealed 51.9 50.1 48.4 --- --- --- --- --- --- --- ---
 1030 Annealed --- 51.0 --- --- --- --- --- --- --- --- ---
 1035 Annealed --- 50.8 --- --- --- --- --- --- --- --- ---
 1037 Annealed --- 51.0 --- --- --- --- --- --- --- --- ---
 1039 Annealed --- 50.7 --- --- --- --- --- --- --- --- ---
 1040 Annealed --- 50.7 --- --- --- --- --- --- --- --- ---
 1042 Annealed 51.9 50.7 48.2 45.6 41.9 38.1 33.9 30.1 24.7 26.8 29.7
 1043 Annealed --- 50.8 --- --- --- --- --- --- --- --- ---
 1044 Annealed --- 50.8 --- --- --- --- --- --- --- --- ---
 1045 Annealed --- 50.8 --- --- --- --- --- --- --- --- ---
 1046 Unknown 51.2 49.7 --- --- --- --- --- --- --- --- ---
 1050 Annealed 51.2 49.7 46.8 --- --- --- --- --- --- --- ---
 1055 Unknown 51.2 49.7 --- --- --- --- --- --- --- --- ---
 AISI/   0 C 100 C 200 C 300 C 400 C 500 C 600 C 700 C 800 C 1000 C 1200 C
 SAE Condition 32 F 212 F 392 F 572 F 752 F 932 F 1112 F 1292 F 1472 F 1832 F 2192 F
 1060 Unknown 50.5 --- 46.8 --- --- --- --- --- --- --- ---
 1064 Unknown 51.2 49.7 --- --- --- --- --- --- --- --- ---
 1070 Unknown 49.9 48.4 --- --- --- --- --- --- --- --- ---
 1078 Annealed 47.8 48.2 45.2 41.4 38.1 35.2 32.7 30.1 24.3 26.8 30.1
 1078 Unknown 49.6 48.1 --- --- --- --- --- --- --- --- ---
 1080 Unknown 50.5 --- 46.8 --- --- --- --- --- --- --- ---
 1086 Unknown 49.9 48.4 --- --- --- --- --- --- --- --- ---
 1095 Unknown --- 46.7 --- --- --- --- --- --- --- --- ---
 1117 Unknown 51.9b --- --- --- --- --- --- --- --- --- ---
 1118 Unknown 51.5b --- --- --- --- --- --- --- --- --- ---
 1141 Unknown --- 50.5 47.6 --- --- --- --- --- --- --- ---
 1151 Unknown --- 50.5 47.6 --- --- --- --- --- --- --- ---
 1522 Annealed 51.9 50.1 48.4 --- --- --- --- --- --- --- ---
 1524 Annealed 51.9 50.1 48.4 --- --- --- --- --- --- --- ---
 1526 Annealed 51.9 50.1 48.4 --- --- --- --- --- --- --- ---
 1541 Annealed 51.9 50.1 48.4 --- --- --- --- --- --- --- ---
 1548 Unknown 50.5 49.0 48.3 --- --- --- --- --- --- --- ---
 1551 Annealed 50.7 49.3 48.4 --- --- --- --- --- --- --- ---
 1561 Annealed 51.2 49.7 --- --- --- --- --- --- --- --- ---
 1566 Annealed 51.2 49.7 --- --- --- --- --- --- --- --- ---
 2515 Unknown 34.3b --- --- --- --- --- --- --- --- --- ---
 4037 H & T 48.2 45.6 --- 39.4 --- 33.9 --- --- --- --- ---
 4130 H & T 42.7 --- 40.6 --- 37.3 --- 31.0 --- 28.1 30.1 ---
 AISI/   0 C 100 C 200 C 300 C 400 C 500 C 600 C 700 C 800 C 1000 C 1200 C
 SAE Condition 32 F 212 F 392 F 572 F 752 F 932 F 1112 F 1292 F 1472 F 1832 F 2192 F
 4140 H & T 42.7 42.3 --- 37.7 --- --- --- --- --- --- ---
 4145 H & T 41.8b --- --- --- --- --- --- --- --- --- ---
 4161 H & T 42.7b --- --- --- --- --- --- --- --- --- ---
 4427 Unknown 36.8b --- --- --- --- --- --- --- --- --- ---
 4626 Unknown --- 44.1 --- --- --- --- --- --- --- --- ---
 5132 Unknown 48.6 46.5 44.4 42.3 38.5 35.6 31.8 28.9 26.0 28.1 30.1
 5140 H & T 44.8 43.5 --- 37.7 --- 31.4 --- --- --- --- ---
 8617 Unknown --- 43.3 --- --- --- --- --- --- --- --- ---
 8622 Unknown --- --- 37.5c --- --- --- --- --- --- --- ---
 8627 Unknown --- --- 37.5c --- --- --- --- --- --- --- ---
 8637 Unknown --- --- 37.5c --- --- --- --- --- --- --- ---
 8822 Unknown 37.5c --- --- --- --- --- --- --- --- --- ---
 a. To obtain conductivities in Btu/ft-h-oF, multiply value by 0.5777893; to obtain conductivities in Btu-in/ft-h-oF, multiply value by 6.933472;
 to obtain conductivities in cal/cm-s-oC, multiply value by 0.0023884.
 b. Value represents thermal conductivity at 20oC (68oF).
 c. Value represents thermal conductivity at 50oC (120oF). H & T - Hardened & Tempered.
 d. Thermal conductivity values in W/m-K, at oC.
 [ Go to Top ]

 The Ferrous Metals Data Book

um" colspan="13" height="18"> a. To obtain conductivities in Btu/ft-h-oF, multiply value by 0.5777893; to obtain conductivities in Btu-in/ft-h-oF, multiply value by 6.933472;  to obtain conductivities in cal/cm-s-oC, multiply value by 0.0023884.  b. Value represents thermal conductivity at 20oC (68oF).  c. Value represents thermal conductivity at 50oC (120oF). H & T - Hardened & Tempered.  d. Thermal conductivity values in W/m-K, at oC.  [ Go to Top ]

 The Ferrous Metals Data Book