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EN 1.4443 Stainless Steel vs. SAE-AISI 4615 Steel

Both EN 1.4443 stainless steel and SAE-AISI 4615 steel are iron alloys. They have 68% 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 EN 1.4443 stainless steel and the bottom bar is SAE-AISI 4615 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
27
Fatigue Strength, MPa 170
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 490
480
Tensile Strength: Yield (Proof), MPa 210
350

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1000
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
3.2
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.0
1.6
Embodied Energy, MJ/kg 54
22
Embodied Water, L/kg 160
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 110
320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 3.9
13
Thermal Shock Resistance, points 11
16

Alloy Composition

Carbon (C), % 0 to 0.050
0.13 to 0.18
Chromium (Cr), % 18 to 20
0
Iron (Fe), % 60.4 to 69.5
96.4 to 97.4
Manganese (Mn), % 0 to 2.0
0.45 to 0.65
Molybdenum (Mo), % 2.5 to 3.0
0.2 to 0.3
Nickel (Ni), % 10 to 13
1.7 to 2.0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040