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SAE-AISI 9255 Steel vs. EN 1.5024 Steel

Both SAE-AISI 9255 steel and EN 1.5024 steel are iron alloys. Their average alloy composition is basically identical. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9255 steel and the bottom bar is EN 1.5024 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200 to 470
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Tensile Strength: Ultimate (UTS), MPa 680
670 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 46
50
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
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
1.9
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 46
45

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
24 to 69
Strength to Weight: Bending, points 22
22 to 45
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 21
20 to 58

Alloy Composition

Carbon (C), % 0.51 to 0.59
0.42 to 0.5
Iron (Fe), % 96.2 to 97
96.7 to 97.6
Manganese (Mn), % 0.7 to 1.0
0.5 to 0.8
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 1.8 to 2.2
1.5 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.025