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EN 1.0044 Steel vs. EN 1.0033 Steel

Both EN 1.0044 steel and EN 1.0033 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 (1, 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 1.0033 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
86 to 96
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
17 to 32
Fatigue Strength, MPa 180
120 to 140
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300
200
Tensile Strength: Ultimate (UTS), MPa 470
300 to 330
Tensile Strength: Yield (Proof), MPa 250
150 to 200

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
53
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 47
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85
48 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 170
63 to 100
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
10 to 12
Strength to Weight: Bending, points 17
13 to 14
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 15
9.4 to 10

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.11
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 97.4 to 100
98.8 to 100
Manganese (Mn), % 0 to 1.6
0 to 0.7
Nitrogen (N), % 0 to 0.014
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0
0 to 0.35
Sulfur (S), % 0 to 0.045
0 to 0.045