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EN 1.4905 Stainless Steel vs. AISI 416 Stainless Steel

Both EN 1.4905 stainless steel and AISI 416 stainless steel are iron alloys. They have a very high 95% 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 1.4905 stainless steel and the bottom bar is AISI 416 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
13 to 31
Fatigue Strength, MPa 330
230 to 340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 460
340 to 480
Tensile Strength: Ultimate (UTS), MPa 740
510 to 800
Tensile Strength: Yield (Proof), MPa 510
290 to 600

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 380
390
Maximum Temperature: Mechanical, °C 660
680
Melting Completion (Liquidus), °C 1480
1530
Melting Onset (Solidus), °C 1440
1480
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
30
Thermal Expansion, µm/m-K 11
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
7.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.8
1.9
Embodied Energy, MJ/kg 40
27
Embodied Water, L/kg 90
100

Common Calculations

PREN (Pitting Resistance) 15
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
98 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 680
220 to 940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
18 to 29
Strength to Weight: Bending, points 23
18 to 25
Thermal Diffusivity, mm2/s 7.0
8.1
Thermal Shock Resistance, points 25
19 to 30

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Boron (B), % 0.00050 to 0.0050
0
Carbon (C), % 0.090 to 0.13
0 to 0.15
Chromium (Cr), % 8.5 to 9.5
12 to 14
Iron (Fe), % 86.2 to 88.8
83.2 to 87.9
Manganese (Mn), % 0.3 to 0.6
0 to 1.3
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0.1 to 0.4
0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.050 to 0.090
0
Phosphorus (P), % 0 to 0.020
0 to 0.060
Silicon (Si), % 0.1 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0.15 to 0.35
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0