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ASTM A202 Steel vs. SAE-AISI 1055 Steel

Both ASTM A202 steel and SAE-AISI 1055 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 A202 steel and the bottom bar is SAE-AISI 1055 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 18
11 to 14
Fatigue Strength, MPa 240
260 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 360 to 410
440 to 450
Tensile Strength: Ultimate (UTS), MPa 590 to 670
730 to 750
Tensile Strength: Yield (Proof), MPa 350 to 360
400 to 630

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 49
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 96
80 to 85
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 350
440 to 1070
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 24
26
Strength to Weight: Bending, points 20 to 22
23
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 17 to 20
23 to 24

Comparable Variants