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ASTM A387 Grade 2 Steel vs. SAE-AISI 1010 Steel

Both ASTM A387 grade 2 steel and SAE-AISI 1010 steel are iron alloys. They have a very high 98% of their average alloy composition in common. 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 A387 grade 2 steel and the bottom bar is SAE-AISI 1010 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
100 to 110
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
22 to 31
Fatigue Strength, MPa 190 to 250
150 to 230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300 to 350
230 to 250
Tensile Strength: Ultimate (UTS), MPa 470 to 550
350 to 400
Tensile Strength: Yield (Proof), MPa 260 to 350
190 to 330

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
47
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
14

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 50
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
82 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
100 to 290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
12 to 14
Strength to Weight: Bending, points 17 to 19
14 to 15
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 14 to 16
11 to 13

Alloy Composition

Carbon (C), % 0.050 to 0.21
0.080 to 0.13
Chromium (Cr), % 0.5 to 0.8
0
Iron (Fe), % 97.1 to 98.3
99.18 to 99.62
Manganese (Mn), % 0.55 to 0.8
0.3 to 0.6
Molybdenum (Mo), % 0.45 to 0.6
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0
Sulfur (S), % 0 to 0.025
0 to 0.050