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SAE-AISI 8637 Steel vs. EN 1.0601 Steel

Both SAE-AISI 8637 steel and EN 1.0601 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is SAE-AISI 8637 steel and the bottom bar is EN 1.0601 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
11
Fatigue Strength, MPa 260
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 340
430
Tensile Strength: Ultimate (UTS), MPa 540
730
Tensile Strength: Yield (Proof), MPa 360
350

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 38
48
Thermal Expansion, µm/m-K 11
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 2.6
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 50
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
65
Resilience: Unit (Modulus of Resilience), kJ/m3 340
330
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 10
13
Thermal Shock Resistance, points 18
23

Alloy Composition

Carbon (C), % 0.35 to 0.4
0.57 to 0.65
Chromium (Cr), % 0.4 to 0.6
0 to 0.4
Iron (Fe), % 96.6 to 97.8
97.1 to 98.8
Manganese (Mn), % 0.75 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 0.15 to 0.25
0 to 0.1
Nickel (Ni), % 0.4 to 0.7
0 to 0.4
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.045