EN 1.7003 Steel vs. ACI-ASTM CF10SMnN Steel

Both EN 1.7003 steel and ACI-ASTM CF10SMnN steel are iron alloys. They have 64% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.7003 steel and the bottom bar is ACI-ASTM CF10SMnN steel.

EN 1.7003 (38Cr2) Chromium Steel ACI-ASTM CF10SMnN (J92972) Cast Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		150 to 200
Brinell Hardness		190

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.29
Poisson's Ratio		0.28

Shear Modulus, GPa		73
Shear Modulus, GPa		75

Tensile Strength: Ultimate (UTS), MPa		520 to 1780
Tensile Strength: Ultimate (UTS), MPa		660

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		340

Maximum Temperature: Mechanical, °C		410
Maximum Temperature: Mechanical, °C		900

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		1360

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		1310

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		500

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		16

Otherwise Unclassified Properties

Base Metal Price, % relative		2.0
Base Metal Price, % relative		15

Density, g/cm³		7.8
Density, g/cm³		7.5

Embodied Carbon, kg CO₂/kg material		1.4
Embodied Carbon, kg CO₂/kg material		3.1

Embodied Energy, MJ/kg		19
Embodied Energy, MJ/kg		45

Embodied Water, L/kg		48
Embodied Water, L/kg		150

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		26

Strength to Weight: Axial, points		18 to 63
Strength to Weight: Axial, points		24

Strength to Weight: Bending, points		18 to 42
Strength to Weight: Bending, points		22

Thermal Shock Resistance, points		15 to 53
Thermal Shock Resistance, points		15

Alloy Composition

Carbon (C), %		0.35 to 0.42
Carbon (C), %		0 to 0.1

Chromium (Cr), %		0.4 to 0.6
Chromium (Cr), %		16 to 18

Iron (Fe), %		97.7 to 98.8
Iron (Fe), %		59.1 to 65.4

Manganese (Mn), %		0.5 to 0.8
Manganese (Mn), %		7.0 to 9.0

Nickel (Ni), %		0
Nickel (Ni), %		8.0 to 9.0

Nitrogen (N), %		0
Nitrogen (N), %		0.080 to 0.18

Phosphorus (P), %		0 to 0.035
Phosphorus (P), %		0 to 0.060

Silicon (Si), %		0 to 0.4
Silicon (Si), %		3.5 to 4.5

Sulfur (S), %		0 to 0.035
Sulfur (S), %		0 to 0.030