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SAE-AISI 1084 Steel vs. EN 1.0402 Steel

Both SAE-AISI 1084 steel and EN 1.0402 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 SAE-AISI 1084 steel and the bottom bar is EN 1.0402 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 270
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
24
Fatigue Strength, MPa 320 to 370
170
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 470 to 550
290
Tensile Strength: Ultimate (UTS), MPa 780 to 930
460
Tensile Strength: Yield (Proof), MPa 510 to 600
240

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
50
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 46
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 89
94
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 960
150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 28 to 33
16
Strength to Weight: Bending, points 24 to 27
17
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 25 to 30
15

Alloy Composition

Carbon (C), % 0.8 to 0.93
0.17 to 0.24
Chromium (Cr), % 0
0 to 0.4
Iron (Fe), % 98.1 to 98.6
97.7 to 99.43
Manganese (Mn), % 0.6 to 0.9
0.4 to 0.7
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0 to 0.050
0 to 0.045