1.4777 (GX130CrSi29)

Country	Section	Category
Germany	Stainless and Heat Resisting Steels	Heat Resistant Steels with Ni < 2.5%

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ni, %	P, %	C, %	S, %	Mo, %
EN 10295	63.535–70.3	1–2.5	0.5–1	27–30	< 1	< 0.035	1.2–1.4	< 0.03	< 0.5

Temperature, °C	$$\alpha\cdot 10^{6}$$, $$K^{-1}$$	$$\varkappa$$, $$\frac{W}{m\cdot K}$$	$$\rho$$, $$\frac{kg}{m^3}$$	$$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$
20		18.8	7500	0.5
400	11.5
800	14
1000	16

Parameter	Units of measurement	Description
$$\alpha\cdot 10^{6}$$	$$K^{-1}$$	Coefficient of thermal (linear) expansion (range 20°C–T)
$$\varkappa$$	$$\frac{W}{m\cdot K}$$	Coefficient of thermal conductivity (the heat capacity of the material)
$$\rho$$	$$\frac{kg}{m^3}$$	The density of the material
$$c\cdot 10^{-3}$$	$$\frac{J}{kg\cdot K}$$	The specific heat of the material (range 20°C–T)