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ASTM A514 Steel vs. SAE-AISI 1040 Steel

Both ASTM A514 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 A514 steel and the bottom bar is SAE-AISI 1040 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240 to 250
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 21
13 to 20
Fatigue Strength, MPa 470 to 540
220 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 490 to 520
350 to 390
Tensile Strength: Ultimate (UTS), MPa 790 to 830
570 to 640
Tensile Strength: Yield (Proof), MPa 690 to 770
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
250
Maximum Temperature: Mechanical, °C 400 to 440
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 37 to 51
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.8
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.8
1.8
Density, g/cm3 7.8 to 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6 to 1.8
1.4
Embodied Energy, MJ/kg 21 to 25
18
Embodied Water, L/kg 48 to 57
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
79 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 1280 to 1590
270 to 760
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 28 to 29
20 to 23
Strength to Weight: Bending, points 24 to 25
19 to 21
Thermal Diffusivity, mm2/s 10 to 14
14
Thermal Shock Resistance, points 23 to 24
18 to 20