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EN 1.0225 Steel vs. SAE-AISI 1078 Steel

Both EN 1.0225 steel and SAE-AISI 1078 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 1.0225 steel and the bottom bar is SAE-AISI 1078 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 140
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.7 to 24
11 to 14
Fatigue Strength, MPa 170 to 220
270 to 350
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 280 to 290
440 to 470
Tensile Strength: Ultimate (UTS), MPa 440 to 500
730 to 780
Tensile Strength: Yield (Proof), MPa 230 to 380
430 to 570

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 52
49
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 46
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 95
77 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 390
490 to 860
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 18
26 to 28
Strength to Weight: Bending, points 16 to 18
23 to 24
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 14 to 16
25 to 26

Alloy Composition

Carbon (C), % 0 to 0.21
0.72 to 0.85
Iron (Fe), % 98 to 100
98.5 to 99
Manganese (Mn), % 0 to 1.4
0.3 to 0.6
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.35
0
Sulfur (S), % 0 to 0.045
0 to 0.050

Comparable Variants