C(%)	Si(%)	Mn(%)	P(%)	N(%)	S(%)	Cr(%)
≦0.2	≦1.0	≦1.5	≦0.04	≦0.25	≦0.03	23.0-27.0

Mechanical Properties

Properties		Conditions
		T (°C)	Treatment
Density (×1000 kg/m3)	7.7-8.03	25
Poisson's Ratio	0.27-0.30	25
Elastic Modulus (GPa)	190-210	25
Tensile Strength (Mpa)	1158	25	oil quenched, fine grained, tempered at 425°C
Yield Strength (Mpa)	1034
Elongation (%)	15
Reduction in Area (%)	53
Hardness (HB)	335	25	oil quenched, fine grained, tempered at 425°C

Thermal Properties

Properties		Conditions
		T (°C)	Treatment
Thermal Conductivity (W/m-K)	42.7	100
Specific Heat (J/kg-K)	477	50-100

Physical Properties

Quantity	Value	Unit
Thermal expansion	16 - 17	e-6/K
Thermal conductivity	16 - 16	W/m.K
Specific heat	500 - 500	J/kg.K
Melting temperature	1370 - 1400	°C
Service temperature	0 - 500	°C
Density	8000 - 8000	kg/m3
Resistivity	0.7 - 0.7	Ohm.mm2/m

Relate Steel Type

Steel Type	Country Code	C(%)	Si(%)	Mn(%)	P(%)	N(%)	S(%)	Cr(%)	Ni(%)
446	CNS	≦0.2	≦1.0	≦1.5	≦0.04	≦0.25	≦0.03	23.0-27.0	≦0.6
2Cr25N	GB	≦0.2	≦1.0	≦1.5	≦0.035	≦0.25	≦0.03	23.0-27.0
SUH446	JIS	≦0.2	≦1.0	≦1.5	≦0.04	≦0.25	≦0.03	23.0-27.0
446	AISI	≦0.2	≦1.0	≦1.5	≦0.04	≦0.25	≦0.03	23.0-27.0	≦0.5