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EN 1.0234 Steel vs. SAE-AISI 4042 Steel

Both EN 1.0234 steel and SAE-AISI 4042 steel are iron alloys. They have a very high 99% of their average alloy composition in common. 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 1.0234 steel and the bottom bar is SAE-AISI 4042 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 140
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 29
13
Fatigue Strength, MPa 170 to 270
360
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 260 to 300
410
Tensile Strength: Ultimate (UTS), MPa 350 to 480
680
Tensile Strength: Yield (Proof), MPa 220 to 410
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 53
49
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 46
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 130
81
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 440
860
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 12 to 17
24
Strength to Weight: Bending, points 14 to 17
22
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 11 to 15
22

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0.13 to 0.17
0.4 to 0.45
Iron (Fe), % 99.02 to 99.5
97.9 to 98.6
Manganese (Mn), % 0.35 to 0.6
0.7 to 0.9
Molybdenum (Mo), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.1
0.15 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.040