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SAE-AISI 1345 Steel vs. ASTM A266 Carbon Steel

Both SAE-AISI 1345 steel and ASTM A266 carbon steel are iron alloys. 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 1345 steel and the bottom bar is ASTM A266 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 23
21 to 26
Fatigue Strength, MPa 230 to 390
170 to 200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 370 to 440
320 to 380
Tensile Strength: Ultimate (UTS), MPa 590 to 730
500 to 600
Tensile Strength: Yield (Proof), MPa 330 to 620
230 to 290

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
51 to 52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.1 to 8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18 to 19
Embodied Water, L/kg 48
46 to 47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 1040
140 to 230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 26
18 to 21
Strength to Weight: Bending, points 20 to 23
18 to 20
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 19 to 23
16 to 19