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EN 1.4669 Stainless Steel vs. AISI 415 Stainless Steel

Both EN 1.4669 stainless steel and AISI 415 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 33 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 1.4669 stainless steel and the bottom bar is AISI 415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
17
Fatigue Strength, MPa 330
430
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 500
550
Tensile Strength: Ultimate (UTS), MPa 780
900
Tensile Strength: Yield (Proof), MPa 450
700

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 440
390
Maximum Temperature: Mechanical, °C 1030
780
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.5
Embodied Energy, MJ/kg 38
35
Embodied Water, L/kg 160
110

Common Calculations

PREN (Pitting Resistance) 26
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
140
Resilience: Unit (Modulus of Resilience), kJ/m3 510
1250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
32
Strength to Weight: Bending, points 24
26
Thermal Diffusivity, mm2/s 4.0
6.4
Thermal Shock Resistance, points 21
33

Alloy Composition

Carbon (C), % 0 to 0.045
0 to 0.050
Chromium (Cr), % 21.5 to 24
11.5 to 14
Copper (Cu), % 1.6 to 3.0
0
Iron (Fe), % 65.2 to 74.8
77.8 to 84
Manganese (Mn), % 1.0 to 3.0
0.5 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.5 to 1.0
Nickel (Ni), % 1.0 to 3.0
3.5 to 5.5
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030