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SAE-AISI 1095 Steel vs. ASTM A302 Alloy Steel

Both SAE-AISI 1095 steel and ASTM A302 alloy 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 SAE-AISI 1095 steel and the bottom bar is ASTM A302 alloy steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 11
20 to 23
Fatigue Strength, MPa 310 to 370
250 to 280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 400 to 540
370 to 390
Tensile Strength: Ultimate (UTS), MPa 680 to 900
590 to 620
Tensile Strength: Yield (Proof), MPa 500 to 590
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 400
410
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 47
39 to 51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
7.2 to 7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.2 to 8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.4 to 3.0
Density, g/cm3 7.8
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 1.4
1.5 to 1.6
Embodied Energy, MJ/kg 19
20 to 21
Embodied Water, L/kg 45
48 to 50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 84
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 660 to 930
330 to 410
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 32
21 to 22
Strength to Weight: Bending, points 22 to 26
20 to 21
Thermal Diffusivity, mm2/s 13
10 to 14
Thermal Shock Resistance, points 22 to 29
17 to 18