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EN 1.7711 Steel vs. SAE-AISI 1070 Steel

Both EN 1.7711 steel and SAE-AISI 1070 steel are iron alloys. They have a very high 98% 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 1.7711 steel and the bottom bar is SAE-AISI 1070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 280
190 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 22
10 to 13
Fatigue Strength, MPa 290 to 520
270 to 350
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 440 to 570
380 to 460
Tensile Strength: Ultimate (UTS), MPa 690 to 930
640 to 760
Tensile Strength: Yield (Proof), MPa 400 to 800
420 to 560

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
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 33
50
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
12

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.3
1.4
Embodied Energy, MJ/kg 32
19
Embodied Water, L/kg 54
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 140
59 to 86
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1690
470 to 850
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 33
23 to 27
Strength to Weight: Bending, points 22 to 27
21 to 24
Thermal Diffusivity, mm2/s 8.9
14
Thermal Shock Resistance, points 24 to 32
21 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.015
0
Carbon (C), % 0.36 to 0.44
0.65 to 0.75
Chromium (Cr), % 0.9 to 1.2
0
Iron (Fe), % 96 to 97.5
98.3 to 98.8
Manganese (Mn), % 0.45 to 0.85
0.6 to 0.9
Molybdenum (Mo), % 0.5 to 0.65
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Vanadium (V), % 0.25 to 0.35
0