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SAE-AISI 4161 Steel vs. EN 1.0038 Steel

Both SAE-AISI 4161 steel and EN 1.0038 steel are iron alloys. They have a very high 98% 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 SAE-AISI 4161 steel and the bottom bar is EN 1.0038 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
110 to 120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
23 to 25
Fatigue Strength, MPa 290
140 to 160
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 420
240 to 270
Tensile Strength: Ultimate (UTS), MPa 680
380 to 430
Tensile Strength: Yield (Proof), MPa 410
200 to 220

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
49
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 50
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
72 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 460
110 to 130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
13 to 15
Strength to Weight: Bending, points 22
15 to 16
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 22
12 to 13

Alloy Composition

Carbon (C), % 0.56 to 0.64
0 to 0.23
Chromium (Cr), % 0.7 to 0.9
0 to 0.3
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 96.7 to 97.6
97.1 to 100
Manganese (Mn), % 0.75 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.25 to 0.35
0 to 0.080
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0
0 to 0.014
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0 to 0.55
Sulfur (S), % 0 to 0.040
0 to 0.045