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EN 1.4905 Stainless Steel vs. EN 1.4845 Stainless Steel

Both EN 1.4905 stainless steel and EN 1.4845 stainless steel are iron alloys. They have 63% 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 EN 1.4845 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
38
Fatigue Strength, MPa 330
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
78
Shear Strength, MPa 460
410
Tensile Strength: Ultimate (UTS), MPa 740
600
Tensile Strength: Yield (Proof), MPa 510
240

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 380
450
Maximum Temperature: Mechanical, °C 660
1050
Melting Completion (Liquidus), °C 1480
1400
Melting Onset (Solidus), °C 1440
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
4.3
Embodied Energy, MJ/kg 40
61
Embodied Water, L/kg 90
190

Common Calculations

PREN (Pitting Resistance) 15
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
180
Resilience: Unit (Modulus of Resilience), kJ/m3 680
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 7.0
4.0
Thermal Shock Resistance, points 25
14

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 0.1
Chromium (Cr), % 8.5 to 9.5
24 to 26
Iron (Fe), % 86.2 to 88.8
48.2 to 57
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0.1 to 0.4
19 to 22
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.050 to 0.090
0 to 0.1
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0.1 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.015
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0