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S45000 Stainless Steel vs. SAE-AISI 12L14 Steel

Both S45000 stainless steel and SAE-AISI 12L14 steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S45000 stainless steel and the bottom bar is SAE-AISI 12L14 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 410
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.8 to 14
11 to 25
Fatigue Strength, MPa 330 to 650
190 to 290
Poisson's Ratio 0.28
0.29
Reduction in Area, % 22 to 50
39 to 51
Shear Modulus, GPa 76
72
Shear Strength, MPa 590 to 830
280 to 370
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
440 to 620
Tensile Strength: Yield (Proof), MPa 580 to 1310
260 to 460

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
51
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 39
18
Embodied Water, L/kg 130
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 160
64 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4400
180 to 560
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 35 to 50
15 to 22
Strength to Weight: Bending, points 28 to 36
16 to 20
Thermal Diffusivity, mm2/s 4.5
14
Thermal Shock Resistance, points 33 to 47
14 to 20

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 1.3 to 1.8
0
Iron (Fe), % 72.1 to 79.3
97.9 to 98.7
Lead (Pb), % 0
0.15 to 0.35
Manganese (Mn), % 0 to 1.0
0.85 to 1.2
Molybdenum (Mo), % 0.5 to 1.0
0
Nickel (Ni), % 5.0 to 7.0
0
Phosphorus (P), % 0 to 0.040
0.040 to 0.090
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0.26 to 0.35