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SAE-AISI 9254 Steel vs. EN 1.7230 Steel

Both SAE-AISI 9254 steel and EN 1.7230 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9254 steel and the bottom bar is EN 1.7230 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
220 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
11 to 12
Fatigue Strength, MPa 280
320 to 460
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 660
720 to 910
Tensile Strength: Yield (Proof), MPa 410
510 to 740

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 410
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 46
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 49
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
79 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 450
700 to 1460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
26 to 32
Strength to Weight: Bending, points 22
23 to 27
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 20
21 to 27

Alloy Composition

Carbon (C), % 0.51 to 0.59
0.3 to 0.37
Chromium (Cr), % 0.6 to 0.8
0.8 to 1.2
Iron (Fe), % 96.1 to 97.1
96.7 to 98.3
Manganese (Mn), % 0.6 to 0.8
0.5 to 0.8
Molybdenum (Mo), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 1.2 to 1.6
0 to 0.6
Sulfur (S), % 0 to 0.040
0 to 0.030