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EN 1.0601 Steel vs. SAE-AISI 51B60 Steel

Both EN 1.0601 steel and SAE-AISI 51B60 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0601 steel and the bottom bar is SAE-AISI 51B60 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
12 to 21
Fatigue Strength, MPa 220
280 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 430
390 to 420
Tensile Strength: Ultimate (UTS), MPa 730
660
Tensile Strength: Yield (Proof), MPa 350
400 to 550

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
43
Thermal Expansion, µm/m-K 12
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 47
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
73 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 330
420 to 800
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
23
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 23
19

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0.57 to 0.65
0.56 to 0.64
Chromium (Cr), % 0 to 0.4
0.7 to 0.9
Iron (Fe), % 97.1 to 98.8
97 to 97.8
Manganese (Mn), % 0.6 to 0.9
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.045
0 to 0.040