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SAE-AISI 1070 Steel vs. EN 1.0234 Steel

Both SAE-AISI 1070 steel and EN 1.0234 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is SAE-AISI 1070 steel and the bottom bar is EN 1.0234 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 230
100 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 13
12 to 29
Fatigue Strength, MPa 270 to 350
170 to 270
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34 to 51
64 to 78
Shear Modulus, GPa 72
73
Shear Strength, MPa 380 to 460
260 to 300
Tensile Strength: Ultimate (UTS), MPa 640 to 760
350 to 480
Tensile Strength: Yield (Proof), MPa 420 to 560
220 to 410

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
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 50
53
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 46
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59 to 86
36 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 850
130 to 440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 27
12 to 17
Strength to Weight: Bending, points 21 to 24
14 to 17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 21 to 25
11 to 15

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.65 to 0.75
0.13 to 0.17
Iron (Fe), % 98.3 to 98.8
99.02 to 99.5
Manganese (Mn), % 0.6 to 0.9
0.35 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0 to 0.050
0 to 0.025

Comparable Variants