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EN 1.4669 Stainless Steel vs. EN 1.8915 Steel

Both EN 1.4669 stainless steel and EN 1.8915 steel are iron alloys. They have 73% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4669 stainless steel and the bottom bar is EN 1.8915 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
19
Fatigue Strength, MPa 330
340
Impact Strength: V-Notched Charpy, J 110
79
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 500
400
Tensile Strength: Ultimate (UTS), MPa 780
640
Tensile Strength: Yield (Proof), MPa 450
490

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1030
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.7
Embodied Energy, MJ/kg 38
24
Embodied Water, L/kg 160
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 510
640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
23
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 21
19

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.050
Carbon (C), % 0 to 0.045
0 to 0.2
Chromium (Cr), % 21.5 to 24
0 to 0.3
Copper (Cu), % 1.6 to 3.0
0 to 0.7
Iron (Fe), % 65.2 to 74.8
95.2 to 98.9
Manganese (Mn), % 1.0 to 3.0
1.1 to 1.7
Molybdenum (Mo), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 1.0 to 3.0
0 to 0.8
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0.12 to 0.2
0 to 0.025
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.0080
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.2