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SAE-AISI 9254 Steel vs. SAE-AISI 1547 Steel

Both SAE-AISI 9254 steel and SAE-AISI 1547 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9254 steel and the bottom bar is SAE-AISI 1547 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
11 to 17
Fatigue Strength, MPa 280
270 to 430
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 410
440 to 480
Tensile Strength: Ultimate (UTS), MPa 660
740 to 800
Tensile Strength: Yield (Proof), MPa 410
400 to 690

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 410
400
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
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
1.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 49
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
80 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 450
430 to 1280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
26 to 28
Strength to Weight: Bending, points 22
23 to 24
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 20
23 to 25

Alloy Composition

Carbon (C), % 0.51 to 0.59
0.43 to 0.51
Chromium (Cr), % 0.6 to 0.8
0
Iron (Fe), % 96.1 to 97.1
97.8 to 98.2
Manganese (Mn), % 0.6 to 0.8
1.4 to 1.7
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 1.2 to 1.6
0
Sulfur (S), % 0 to 0.040
0 to 0.050