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EN 1.7729 Steel vs. EN 1.0411 Steel

Both EN 1.7729 steel and EN 1.0411 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 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 1.7729 steel and the bottom bar is EN 1.0411 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
120 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
12 to 26
Fatigue Strength, MPa 500
200 to 320
Poisson's Ratio 0.29
0.29
Reduction in Area, % 56
60 to 74
Shear Modulus, GPa 73
73
Shear Strength, MPa 560
300 to 350
Tensile Strength: Ultimate (UTS), MPa 910
420 to 570
Tensile Strength: Yield (Proof), MPa 750
270 to 480

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
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 40
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
1.4
Embodied Energy, MJ/kg 49
18
Embodied Water, L/kg 59
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
43 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 1500
190 to 610
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32
15 to 20
Strength to Weight: Bending, points 27
16 to 20
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 27
13 to 18

Alloy Composition

Aluminum (Al), % 0.015 to 0.080
0.020 to 0.060
Arsenic (As), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0.17 to 0.23
0.18 to 0.22
Chromium (Cr), % 0.9 to 1.2
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 94.8 to 97
98.7 to 99.1
Manganese (Mn), % 0.35 to 0.75
0.7 to 0.9
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.025
Tin (Sn), % 0 to 0.020
0
Titanium (Ti), % 0.070 to 0.15
0
Vanadium (V), % 0.6 to 0.8
0