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SAE-AISI 1049 Steel vs. ASTM A209 Steel

Both SAE-AISI 1049 steel and ASTM A209 steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1049 steel and the bottom bar is ASTM A209 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
140 to 150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
34
Fatigue Strength, MPa 250 to 400
180 to 200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 420 to 450
280 to 310
Tensile Strength: Ultimate (UTS), MPa 680 to 750
420 to 460
Tensile Strength: Yield (Proof), MPa 370 to 640
220 to 250

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420 to 1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
50
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.1 to 8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 18
20
Embodied Water, L/kg 46
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75 to 99
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 370 to 1090
130 to 170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 27
15 to 16
Strength to Weight: Bending, points 22 to 23
16 to 17
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 22 to 24
12 to 14