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SAE-AISI 12L14 Steel vs. EN 1.4512 Stainless Steel

Both SAE-AISI 12L14 steel and EN 1.4512 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 12L14 steel and the bottom bar is EN 1.4512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 25
28
Fatigue Strength, MPa 190 to 290
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 280 to 370
310
Tensile Strength: Ultimate (UTS), MPa 440 to 620
470
Tensile Strength: Yield (Proof), MPa 260 to 460
240

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
720
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
25
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
6.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.0
Embodied Energy, MJ/kg 18
27
Embodied Water, L/kg 47
95

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64 to 93
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 560
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 22
17
Strength to Weight: Bending, points 16 to 20
17
Thermal Diffusivity, mm2/s 14
6.7
Thermal Shock Resistance, points 14 to 20
17

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 0
10.5 to 12.5
Iron (Fe), % 97.9 to 98.7
84.8 to 89.5
Lead (Pb), % 0.15 to 0.35
0
Manganese (Mn), % 0.85 to 1.2
0 to 1.0
Phosphorus (P), % 0.040 to 0.090
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0.26 to 0.35
0 to 0.015
Titanium (Ti), % 0
0 to 0.65