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SAE-AISI 9254 Steel vs. ASTM A283 Carbon Steel

Both SAE-AISI 9254 steel and ASTM A283 carbon steel are iron alloys.

For each property being compared, the top bar is SAE-AISI 9254 steel and the bottom bar is ASTM A283 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
26 to 34
Fatigue Strength, MPa 280
150 to 190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 410
240 to 310
Tensile Strength: Ultimate (UTS), MPa 660
360 to 480
Tensile Strength: Yield (Proof), MPa 410
180 to 260

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 to 53
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
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
1.8
Density, g/cm3 7.7
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 49
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 450
91 to 180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
13 to 17
Strength to Weight: Bending, points 22
14 to 17
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 20
11 to 15