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EN 1.7710 Steel vs. EN 1.0044 Steel

Both EN 1.7710 steel and EN 1.0044 steel are iron alloys. They have a very high 97% of their average alloy composition in common. 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 1.7710 steel and the bottom bar is EN 1.0044 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 320
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.8 to 11
21
Fatigue Strength, MPa 500 to 620
180
Impact Strength: V-Notched Charpy, J 30
31
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 930 to 1070
470
Tensile Strength: Yield (Proof), MPa 800 to 1060
250

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 440
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
1.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.4
Embodied Energy, MJ/kg 30
18
Embodied Water, L/kg 57
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 100
85
Resilience: Unit (Modulus of Resilience), kJ/m3 1680 to 2970
170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 33 to 38
17
Strength to Weight: Bending, points 27 to 30
17
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 27 to 31
15

Alloy Composition

Carbon (C), % 0.12 to 0.18
0 to 0.25
Chromium (Cr), % 1.3 to 1.8
0
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 95.1 to 97
97.4 to 100
Manganese (Mn), % 0.6 to 1.0
0 to 1.6
Molybdenum (Mo), % 0.8 to 1.0
0
Nitrogen (N), % 0
0 to 0.014
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0 to 0.045
Vanadium (V), % 0.15 to 0.25
0