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EN 1.0070 Steel vs. SAE-AISI 1025 Steel

Both EN 1.0070 steel and SAE-AISI 1025 steel are iron alloys. Their average alloy composition is basically identical. There are 31 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 1.0070 steel and the bottom bar is SAE-AISI 1025 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
130 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.1
17 to 28
Fatigue Strength, MPa 210
190 to 280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 440
290 to 310
Tensile Strength: Ultimate (UTS), MPa 740
450 to 500
Tensile Strength: Yield (Proof), MPa 350
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
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 53
52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 7.8
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.7
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 45
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
80 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 320
170 to 470
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
16 to 18
Strength to Weight: Bending, points 23
17 to 18
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 23
14 to 16

Alloy Composition

Carbon (C), % 0
0.22 to 0.28
Iron (Fe), % 99.876 to 100
99.03 to 99.48
Manganese (Mn), % 0
0.3 to 0.6
Nitrogen (N), % 0 to 0.014
0
Phosphorus (P), % 0 to 0.055
0 to 0.040
Sulfur (S), % 0 to 0.055
0 to 0.050