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Thermal Expansion Coefficient

Thermal Expansion Coefficient

Thermal Expansion Coefficient

(OP)
Hi,

I am looking for thermal expansion coefficient for 409 grade steel. The reference tempearature room and around 447 C. Thanks

RE: Thermal Expansion Coefficient

Try ASME II D SB Pt 2.

RE: Thermal Expansion Coefficient

Found the coefficient for 410 -   it's 6.1 x 10-6 in/in-F

409 has a touch of Ti (6xcarbon), but otherwise has similar properties.

RE: Thermal Expansion Coefficient

The following is found in US Steels Atlas:

Average coefficient of linear thermal expansion
Temperature range                     Coefficient       

     °C            °F                   µ/m·K             µin./in.·°F

    20 -  100      68 -  212             11.7               6.5
    20 -  260      68 -  500             11.9               6.6
    20 -  480      68 -  900             12.4               6.9
    20 -  650      68 - 1200             12.9               7.2
    20 -  815      65 - 1500             13.5               7.5

----------------------------------------

Electrical resistivity and thermal conductivity

  Temperature range Electrical resistivity        Thermal conductivity

     °C     °F      µOhm·m                        W/m·K     BTu/Ft·°F

    20      68      0.060
   100     212                                     24.9      14.4
   500     930                                     28.6      16.5

----------------------------------------

hth, chris

ps. hope it's readable, the format of output is not really copy/paste-friendly...

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