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ASTM A209 Steel vs. SAE-AISI 1151 Steel

Both ASTM A209 steel and SAE-AISI 1151 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 ASTM A209 steel and the bottom bar is SAE-AISI 1151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 150
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
11 to 17
Fatigue Strength, MPa 180 to 200
260 to 410
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 280 to 310
430 to 480
Tensile Strength: Ultimate (UTS), MPa 420 to 460
710 to 800
Tensile Strength: Yield (Proof), MPa 220 to 250
390 to 660

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1 to 8.2
12

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
86 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 170
400 to 1170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15 to 16
25 to 28
Strength to Weight: Bending, points 16 to 17
22 to 24
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 12 to 14
22 to 25