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SAE-AISI 9254 Steel vs. EN 1.0050 Steel

Both SAE-AISI 9254 steel and EN 1.0050 steel are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI 9254 steel and the bottom bar is EN 1.0050 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
18
Fatigue Strength, MPa 280
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 410
330
Tensile Strength: Ultimate (UTS), MPa 660
530
Tensile Strength: Yield (Proof), MPa 410
280

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 46
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
7.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
1.7
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 49
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
81
Resilience: Unit (Modulus of Resilience), kJ/m3 450
210
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 20
17

Alloy Composition

Carbon (C), % 0.51 to 0.59
0
Chromium (Cr), % 0.6 to 0.8
0
Iron (Fe), % 96.1 to 97.1
99.876 to 100
Manganese (Mn), % 0.6 to 0.8
0
Nitrogen (N), % 0
0 to 0.014
Phosphorus (P), % 0 to 0.035
0 to 0.055
Silicon (Si), % 1.2 to 1.6
0
Sulfur (S), % 0 to 0.040
0 to 0.055