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Chemical composition %   of   steel    (1.4109):   EN 10088-3-2005

C	Si	Mn	P	S	Cr	Mo
0.6 - 0.75	max   0.7	max   1	max   0.04	max   0.03	14 - 16	0.4 - 0.8

Mechanical properties of   steel   (1.4109)

Rm - Tensile strength (MPa) (+A)	900

Brinell hardness   (HB):   (+A)

280

Material Properties

Base Metal Price15 % rel

Density7.7 g/cm3 (480 lb/ft3)

Elastic (Young's, Tensile) Modulus210 GPa (30 x 106 psi)

Electrical Conductivity2.7 % IACS

Electrical Resistivity Order of Magnitude-6 10x Ω-m

Elongation at Break5.0 to 20 %

Melting Onset (Solidus)1370 °C (2500 °F)

Modulus of Resilience (Unit Resilience)420 to 6480 kJ/m3

Poisson's Ratio0.28

PREN (Pitting Resistance)17

Specific Heat Capacity460 J/kg-K

Strength to Weight Ratio95 to 230 kN-m/kg

Tensile Strength: Ultimate (UTS)730 to 1790 MPa (110 to 260 x 103 psi)

Tensile Strength: Yield (Proof)420 to 1650 MPa (61 to 240 x 103 psi)

Thermal Conductivity30 W/m-K

Thermal Diffusivity8.5 m2/s

Thermal Expansion10 µm/m-K

Unit Rupture Work (Ultimate Resilience)