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EN 1.0571 Steel vs. SAE-AISI 94B17 Steel

Both EN 1.0571 steel and SAE-AISI 94B17 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0571 steel and the bottom bar is SAE-AISI 94B17 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
25
Fatigue Strength, MPa 220
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 350
280
Tensile Strength: Ultimate (UTS), MPa 550
440
Tensile Strength: Yield (Proof), MPa 310
270

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
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 52
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.5
Embodied Energy, MJ/kg 21
20
Embodied Water, L/kg 49
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
96
Resilience: Unit (Modulus of Resilience), kJ/m3 260
200
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
16
Strength to Weight: Bending, points 19
16
Thermal Diffusivity, mm2/s 14
10
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 0 to 0.060
0
Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.2
0.15 to 0.2
Chromium (Cr), % 0 to 0.3
0.3 to 0.5
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 96.5 to 99
97.1 to 98.3
Manganese (Mn), % 0.9 to 1.7
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.080
0.080 to 0.15
Nickel (Ni), % 0 to 0.3
0.3 to 0.6
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.1 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Vanadium (V), % 0 to 0.1
0