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ASTM A387 Grade 11 Steel vs. SAE-AISI 1095 Steel

Both ASTM A387 grade 11 steel and SAE-AISI 1095 steel are iron alloys. They have a very high 97% 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 1095 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
200 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
10 to 11
Fatigue Strength, MPa 200 to 250
310 to 370
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 320 to 390
400 to 540
Tensile Strength: Ultimate (UTS), MPa 500 to 600
680 to 900
Tensile Strength: Yield (Proof), MPa 270 to 350
500 to 590

Thermal Properties

Latent Heat of Fusion, J/g 260
240
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
47
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
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 130
63 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 320
660 to 930
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
24 to 32
Strength to Weight: Bending, points 18 to 20
22 to 26
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 15 to 18
22 to 29

Alloy Composition

Carbon (C), % 0.050 to 0.17
0.9 to 1.0
Chromium (Cr), % 1.0 to 1.5
0
Iron (Fe), % 96.2 to 97.6
98.4 to 98.8
Manganese (Mn), % 0.4 to 0.65
0.3 to 0.5
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