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ASTM A414 Steel vs. SAE-AISI 1040 Steel

Both ASTM A414 steel and SAE-AISI 1040 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 ASTM A414 steel and the bottom bar is SAE-AISI 1040 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 180
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15 to 26
13 to 20
Fatigue Strength, MPa 140 to 260
220 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 230 to 370
350 to 390
Tensile Strength: Ultimate (UTS), MPa 360 to 590
570 to 640
Tensile Strength: Yield (Proof), MPa 190 to 350
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49 to 50
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.4
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
1.8
Density, g/cm3 7.8 to 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
1.4
Embodied Energy, MJ/kg 20 to 22
18
Embodied Water, L/kg 48
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 69 to 130
79 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 330
270 to 760
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13 to 21
20 to 23
Strength to Weight: Bending, points 14 to 20
19 to 21
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 11 to 17
18 to 20