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SAE-AISI 1151 Steel vs. EN 1.1158 Steel

Both SAE-AISI 1151 steel and EN 1.1158 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 (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1151 steel and the bottom bar is EN 1.1158 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 220
140 to 150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
23 to 24
Fatigue Strength, MPa 260 to 410
170 to 220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 430 to 480
300 to 320
Tensile Strength: Ultimate (UTS), MPa 710 to 800
470 to 500
Tensile Strength: Yield (Proof), MPa 390 to 660
240 to 310

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 51
49
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 12
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 18
19
Embodied Water, L/kg 46
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 100
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1170
150 to 250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 28
17 to 18
Strength to Weight: Bending, points 22 to 24
17 to 18
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 22 to 25
15 to 16

Alloy Composition

Carbon (C), % 0.48 to 0.55
0.22 to 0.29
Chromium (Cr), % 0
0 to 0.4
Iron (Fe), % 98.3 to 98.7
97.6 to 99.38
Manganese (Mn), % 0.7 to 1.0
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 0.035
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0.080 to 0.13
0 to 0.035