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EN 1.7149 Steel vs. SAE-AISI 12L14 Steel

Both EN 1.7149 steel and SAE-AISI 12L14 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7149 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
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 500 to 1460
440 to 620

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
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 46
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 52
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 52
15 to 22
Strength to Weight: Bending, points 18 to 36
16 to 20
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 15 to 42
14 to 20

Alloy Composition

Carbon (C), % 0.17 to 0.22
0 to 0.15
Chromium (Cr), % 1.0 to 1.3
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96.5 to 97.7
97.9 to 98.7
Lead (Pb), % 0
0.15 to 0.35
Manganese (Mn), % 1.1 to 1.4
0.85 to 1.2
Phosphorus (P), % 0 to 0.025
0.040 to 0.090
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0.020 to 0.040
0.26 to 0.35