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SAE-AISI 12L14 Steel vs. SAE-AISI 1008 Steel

Both SAE-AISI 12L14 steel and SAE-AISI 1008 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI 12L14 steel and the bottom bar is SAE-AISI 1008 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
93 to 100
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 25
22 to 33
Fatigue Strength, MPa 190 to 290
150 to 220
Poisson's Ratio 0.29
0.29
Reduction in Area, % 39 to 51
50 to 63
Shear Modulus, GPa 72
73
Shear Strength, MPa 280 to 370
220 to 230
Tensile Strength: Ultimate (UTS), MPa 440 to 620
330 to 370
Tensile Strength: Yield (Proof), MPa 260 to 460
190 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
62
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 47
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64 to 93
78 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 560
92 to 260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15 to 22
12 to 13
Strength to Weight: Bending, points 16 to 20
13 to 15
Thermal Diffusivity, mm2/s 14
17
Thermal Shock Resistance, points 14 to 20
10 to 12

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.1
Iron (Fe), % 97.9 to 98.7
99.31 to 99.7
Lead (Pb), % 0.15 to 0.35
0
Manganese (Mn), % 0.85 to 1.2
0.3 to 0.5
Phosphorus (P), % 0.040 to 0.090
0 to 0.040
Sulfur (S), % 0.26 to 0.35
0 to 0.050

Comparable Variants