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EN 1.4913 Stainless Steel vs. SAE-AISI 5120 Steel

Both EN 1.4913 stainless steel and SAE-AISI 5120 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 (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4913 stainless steel and the bottom bar is SAE-AISI 5120 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 22
16
Fatigue Strength, MPa 320 to 480
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 550 to 590
310
Tensile Strength: Ultimate (UTS), MPa 870 to 980
500
Tensile Strength: Yield (Proof), MPa 480 to 850
320

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 700
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
47
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.4
Embodied Energy, MJ/kg 41
19
Embodied Water, L/kg 97
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
71
Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 1860
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 35
18
Strength to Weight: Bending, points 26 to 28
18
Thermal Diffusivity, mm2/s 6.5
13
Thermal Shock Resistance, points 31 to 34
16

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0 to 0.0015
0
Carbon (C), % 0.17 to 0.23
0.17 to 0.22
Chromium (Cr), % 10 to 11.5
0.7 to 0.9
Iron (Fe), % 84.5 to 88.3
97.6 to 98.3
Manganese (Mn), % 0.4 to 0.9
0.7 to 0.9
Molybdenum (Mo), % 0.5 to 0.8
0
Nickel (Ni), % 0.2 to 0.6
0
Niobium (Nb), % 0.25 to 0.55
0
Nitrogen (N), % 0.050 to 0.1
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Vanadium (V), % 0.1 to 0.3
0