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EN 1.1203 Steel vs. SAE-AISI 12L14 Steel

Both EN 1.1203 steel and SAE-AISI 12L14 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.1203 steel and the bottom bar is SAE-AISI 12L14 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 230
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 15
11 to 25
Fatigue Strength, MPa 210 to 310
190 to 290
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Shear Strength, MPa 420 to 480
280 to 370
Tensile Strength: Ultimate (UTS), MPa 690 to 780
440 to 620
Tensile Strength: Yield (Proof), MPa 340 to 480
260 to 460

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
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 48
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 47
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 69 to 100
64 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 610
180 to 560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 28
15 to 22
Strength to Weight: Bending, points 22 to 24
16 to 20
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 22 to 25
14 to 20

Alloy Composition

Carbon (C), % 0.52 to 0.6
0 to 0.15
Chromium (Cr), % 0 to 0.4
0
Iron (Fe), % 97.1 to 98.9
97.9 to 98.7
Lead (Pb), % 0
0.15 to 0.35
Manganese (Mn), % 0.6 to 0.9
0.85 to 1.2
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.035
0.040 to 0.090
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0.26 to 0.35