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EN 1.0044 Steel vs. EN 1.1147 Steel

Both EN 1.0044 steel and EN 1.1147 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.0044 steel and the bottom bar is EN 1.1147 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
12 to 17
Fatigue Strength, MPa 180
180 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300
280
Tensile Strength: Ultimate (UTS), MPa 470
390 to 470
Tensile Strength: Yield (Proof), MPa 250
280 to 370

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 47
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85
40 to 73
Resilience: Unit (Modulus of Resilience), kJ/m3 170
210 to 370
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
14 to 17
Strength to Weight: Bending, points 17
15 to 17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 15
12 to 15

Alloy Composition

Carbon (C), % 0 to 0.25
0.15 to 0.19
Copper (Cu), % 0 to 0.6
0 to 0.25
Iron (Fe), % 97.4 to 100
98.3 to 99.25
Manganese (Mn), % 0 to 1.6
0.6 to 0.9
Nitrogen (N), % 0 to 0.014
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0 to 0.045
0 to 0.025