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EN 1.0044 Steel vs. EN 1.7380 Steel

Both EN 1.0044 steel and EN 1.7380 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 32 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 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
160 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
19 to 20
Fatigue Strength, MPa 180
200 to 230
Impact Strength: V-Notched Charpy, J 31
31 to 35
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 300
330 to 350
Tensile Strength: Ultimate (UTS), MPa 470
540 to 550
Tensile Strength: Yield (Proof), MPa 250
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
3.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.8
Embodied Energy, MJ/kg 18
23
Embodied Water, L/kg 47
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85
87 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 170
230 to 280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
19 to 20
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 15
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.25
0.080 to 0.14
Chromium (Cr), % 0
2.0 to 2.5
Copper (Cu), % 0 to 0.6
0 to 0.3
Iron (Fe), % 97.4 to 100
94.6 to 96.6
Manganese (Mn), % 0 to 1.6
0.4 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.1
Nitrogen (N), % 0 to 0.014
0 to 0.012
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.045
0 to 0.010