Approximate Analytic Solutions of Transient Nonlinear Heat Conduction with Temperature-Dependent Thermal Diffusivity

Table 2

Thermal properties of mild steel.

Temperature; [K]	Specific heat; (𝑐); [kJ/kg·K]	Conductivity; (𝑘); [W/m K]	Density; (𝜌); [kg/m^3]	Thermal diffusivity; (𝛼=𝑘/𝜌𝑐); (m^2/s)
100	0.346	68.1	7892	2.49𝐸−02
145.8	0.3662	66.36	7883	2.30𝐸−02
191.7	0.3863	64.62	7874	2.12𝐸−02
237.5	0.4065	62.88	7866	1.97𝐸−02
283.3	0.4267	61.13	7857	1.82𝐸−02
329.2	0.4468	59.39	7848	1.69𝐸−02
375	0.467	57.65	7840	1.57𝐸−02
420.8	0.4864	55.79	7827	1.47𝐸−02
466.7	0.505	53.8	7809	1.36𝐸−02
512.5	0.5236	51.81	7791	1.27𝐸−02
558.3	0.5421	49.81	7772	1.18𝐸−02
604.2	0.5616	47.82	7753	1.10𝐸−02
650	0.5905	45.8	7726	1.00𝐸−02
800	0.685	39.2	7726	7.41𝐸−03
1000	1.169	30	7726	3.32𝐸−03