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ASTM A203 Steel vs. SAE-AISI 1046 Steel

Both ASTM A203 steel and SAE-AISI 1046 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 A203 steel and the bottom bar is SAE-AISI 1046 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22 to 26
14 to 17
Fatigue Strength, MPa 210 to 280
240 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 330 to 370
410 to 450
Tensile Strength: Ultimate (UTS), MPa 520 to 590
660 to 740
Tensile Strength: Yield (Proof), MPa 290 to 390
370 to 610

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
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 52
51
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5 to 8.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2 to 4.0
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6 to 1.7
1.4
Embodied Energy, MJ/kg 21 to 23
18
Embodied Water, L/kg 50 to 52
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
91 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 410
360 to 990
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
23 to 26
Strength to Weight: Bending, points 18 to 20
22 to 23
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 15 to 17
23 to 25