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ASTM A285 Carbon Steel vs. SAE-AISI 9260 Steel

Both ASTM A285 carbon steel and SAE-AISI 9260 steel are iron alloys.

For each property being compared, the top bar is ASTM A285 carbon steel and the bottom bar is SAE-AISI 9260 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 130
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 30 to 34
21
Fatigue Strength, MPa 150 to 180
260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 250 to 290
420
Tensile Strength: Ultimate (UTS), MPa 380 to 450
660
Tensile Strength: Yield (Proof), MPa 190 to 230
380

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1420 to 1430
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
45
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 18
20
Embodied Water, L/kg 46
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 94 to 150
380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 13 to 16
24
Strength to Weight: Bending, points 15 to 17
22
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 12 to 14
20