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SAE-AISI 4012 Steel vs. EN 1.1152 Steel

Both SAE-AISI 4012 steel and EN 1.1152 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 4012 steel and the bottom bar is EN 1.1152 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
120 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
12 to 22
Fatigue Strength, MPa 160
190 to 300
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 270
290 to 340
Tensile Strength: Ultimate (UTS), MPa 420
400 to 550
Tensile Strength: Yield (Proof), MPa 220
270 to 440

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
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 47
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
41 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 130
200 to 530
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15
14 to 19
Strength to Weight: Bending, points 16
15 to 19
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 12
13 to 17

Alloy Composition

Carbon (C), % 0.090 to 0.14
0.18 to 0.22
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 98.2 to 98.9
98.6 to 99.52
Manganese (Mn), % 0.75 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.3
Sulfur (S), % 0 to 0.040
0 to 0.025