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EN 1.0478 Steel vs. SAE-AISI 51B60 Steel

Both EN 1.0478 steel and SAE-AISI 51B60 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.0478 steel and the bottom bar is SAE-AISI 51B60 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 24
12 to 21
Fatigue Strength, MPa 170
280 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 280
390 to 420
Tensile Strength: Ultimate (UTS), MPa 440
660
Tensile Strength: Yield (Proof), MPa 230
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 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
43
Thermal Expansion, µm/m-K 12
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
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 48
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
73 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 150
420 to 800
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
23
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 14
19

Alloy Composition

Aluminum (Al), % 0 to 0.060
0
Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.18
0.56 to 0.64
Chromium (Cr), % 0 to 0.3
0.7 to 0.9
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 96.9 to 99.4
97 to 97.8
Manganese (Mn), % 0.6 to 1.4
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.080
0
Nickel (Ni), % 0 to 0.3
0
Niobium (Nb), % 0 to 0.030
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Vanadium (V), % 0 to 0.050
0