DENSITY OF IRON AND IRON ALLOYS

The density of pure iron is 7.874 g/cm³ (491.5 lb/ft³, 0.284 lb/in³) at room temperature. Following iron density chart shows density values of iron and iron alloys at room temperature.

Room Temperature Density Values of Iron and Iron Alloys

Material	Density
Material	g/cm³	lb_m / in³
Pure iron	7.874	0.2845
Ingot iron	7.866	0.2842
Wrought iron	7.7	0.2
Gray cast iron	7.15 ^Note-1	0.258 ^Note-1
Malleable iron	7.27 ^Note-2	0.262 ^Note-2
Ductile iron	7.15	0.258
High-nickel iron (Ni-Resist)	7.5	0.271
High-chromium white iron	7.4	0.267

Note-1: 6.95 to 7.35 g/cm3 (0.251 to 0.265 lb/in.3).

Note-2: 7.20 to 7.34 g/cm3 (0.260 to 0.265 lb/in.3).

Reference:

Davis, J.R. Metals Handbook Desk Edition. ASM, 1998.