1.4003 (X2CrNi12) vs 1.4016 (X6Cr17)

1.4016 (X6Cr17) and 1.4003 (X2CrNi12) are about equally stiff. Their densities are about the same. Per unit mass they are about equally stiff (28.57 and 28.57 MJ/kg). Strength: f_y = 280 MPa for 1.4003 (X2CrNi12), f_y = 260 MPa for 1.4016 (X6Cr17).

1.4003 (X2CrNi12) EN 1993-1-4 · EN 10088 · t ≤ 8 mm · C 1.4016 (X6Cr17) EN 1993-1-4 · EN 10088 · t ≤ 8 mm · C

Side by side

ratio = 1.4016 (X6Cr17) / 1.4003 (X2CrNi12) · log scale

Property	1.4003 (X2CrNi12)	1.4016 (X6Cr17)	Unit	Ratio
E Young's modulus	220	220	GPa	1×
G Shear modulus	84.61	84.61	GPa	1×
ν Poisson's ratio	0.3	0.3	–	1×
ρ Density	7700	7700	kg/m³	1×
α Coefficient of thermal expansion	10.4	10	10⁻⁶/K	0.962×
λ Thermal conductivity	25	25	W/(m·K)	1×
c_p Specific heat capacity	430	460	J/(kg·K)	1.07×
ρ_e Electrical resistivity	0.6	0.6	µΩ·m	1×
f_y Yield strength (R_eH / R_p0.2)	280	260	MPa	0.929×
f_u Tensile strength (R_m)	450	450	MPa	1×
E/ρ Specific stiffness E/ρ · derived	28.57	28.57	MJ/kg	1×
c₀ Bar wave speed √(E/ρ) · derived	5345	5345	m/s	1×
f/ρ Specific strength f/ρ · derived	36.36	33.77	kJ/kg	0.929×

Values at the first thickness band or product form of each material (EN 1993-1-4 · EN 10088 · t ≤ 8 mm · C; EN 1993-1-4 · EN 10088 · t ≤ 8 mm · C). A minimum and a characteristic value are not the same kind of number — read the ratio as a guide. Each material's page lists every band and every source.