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ASTM A387 Grade 11 Steel vs. SAE-AISI 1080 Steel

Both ASTM A387 grade 11 steel and SAE-AISI 1080 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 11 steel and the bottom bar is SAE-AISI 1080 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
220 to 260
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
11
Fatigue Strength, MPa 200 to 250
300 to 360
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 320 to 390
460 to 520
Tensile Strength: Ultimate (UTS), MPa 500 to 600
770 to 870
Tensile Strength: Yield (Proof), MPa 270 to 350
480 to 590

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 430
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 21
19
Embodied Water, L/kg 53
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 130
80 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 320
610 to 920
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
27 to 31
Strength to Weight: Bending, points 18 to 20
24 to 26
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 15 to 18
25 to 29

Alloy Composition

Carbon (C), % 0.050 to 0.17
0.75 to 0.88
Chromium (Cr), % 1.0 to 1.5
0
Iron (Fe), % 96.2 to 97.6
98.1 to 98.7
Manganese (Mn), % 0.4 to 0.65
0.6 to 0.9
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.5 to 0.8
0
Sulfur (S), % 0 to 0.025
0 to 0.050