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EN 1.4931 Steel vs. SAE-AISI 1008 Steel

Both EN 1.4931 steel and SAE-AISI 1008 steel are iron alloys. They have 85% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4931 steel and the bottom bar is SAE-AISI 1008 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
93 to 100
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
22 to 33
Fatigue Strength, MPa 410
150 to 220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 810
330 to 370
Tensile Strength: Yield (Proof), MPa 620
190 to 310

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
62
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 11
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.4
Embodied Energy, MJ/kg 42
18
Embodied Water, L/kg 100
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
78 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 970
92 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
12 to 13
Strength to Weight: Bending, points 25
13 to 15
Thermal Diffusivity, mm2/s 6.5
17
Thermal Shock Resistance, points 22
10 to 12

Alloy Composition

Carbon (C), % 0.2 to 0.26
0 to 0.1
Chromium (Cr), % 11.3 to 12.2
0
Iron (Fe), % 83.2 to 86.8
99.31 to 99.7
Manganese (Mn), % 0.5 to 0.8
0.3 to 0.5
Molybdenum (Mo), % 1.0 to 1.2
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.020
0 to 0.050
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0