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ASTM A387 Grade 11 Steel vs. SAE-AISI 12L14 Steel

Both ASTM A387 grade 11 steel and SAE-AISI 12L14 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 12L14 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
11 to 25
Fatigue Strength, MPa 200 to 250
190 to 290
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 320 to 390
280 to 370
Tensile Strength: Ultimate (UTS), MPa 500 to 600
440 to 620
Tensile Strength: Yield (Proof), MPa 270 to 350
260 to 460

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 430
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
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
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 21
18
Embodied Water, L/kg 53
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 130
64 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 320
180 to 560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
15 to 22
Strength to Weight: Bending, points 18 to 20
16 to 20
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 15 to 18
14 to 20

Alloy Composition

Carbon (C), % 0.050 to 0.17
0 to 0.15
Chromium (Cr), % 1.0 to 1.5
0
Iron (Fe), % 96.2 to 97.6
97.9 to 98.7
Lead (Pb), % 0
0.15 to 0.35
Manganese (Mn), % 0.4 to 0.65
0.85 to 1.2
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.025
0.040 to 0.090
Silicon (Si), % 0.5 to 0.8
0
Sulfur (S), % 0 to 0.025
0.26 to 0.35