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EN 1.0050 Steel vs. SAE-AISI 94B17 Steel

Both EN 1.0050 steel and SAE-AISI 94B17 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.0050 steel and the bottom bar is SAE-AISI 94B17 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
25
Fatigue Strength, MPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 330
280
Tensile Strength: Ultimate (UTS), MPa 530
440
Tensile Strength: Yield (Proof), MPa 280
270

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.8
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.7
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 18
20
Embodied Water, L/kg 45
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
96
Resilience: Unit (Modulus of Resilience), kJ/m3 210
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 18
16
Thermal Diffusivity, mm2/s 14
10
Thermal Shock Resistance, points 17
13

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0
0.15 to 0.2
Chromium (Cr), % 0
0.3 to 0.5
Iron (Fe), % 99.876 to 100
97.1 to 98.3
Manganese (Mn), % 0
0.75 to 1.0
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 0
0.3 to 0.6
Nitrogen (N), % 0 to 0.014
0
Phosphorus (P), % 0 to 0.055
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0 to 0.055
0 to 0.040