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EN 1.4905 Stainless Steel vs. EN 1.8935 Steel

Both EN 1.4905 stainless steel and EN 1.8935 steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 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 1.4905 stainless steel and the bottom bar is EN 1.8935 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
19
Fatigue Strength, MPa 330
330
Impact Strength: V-Notched Charpy, J 38
71
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 460
400
Tensile Strength: Ultimate (UTS), MPa 740
640
Tensile Strength: Yield (Proof), MPa 510
490

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 660
400
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1440
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
46
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.7
Embodied Energy, MJ/kg 40
24
Embodied Water, L/kg 90
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 680
640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
23
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 7.0
12
Thermal Shock Resistance, points 25
19

Alloy Composition

Aluminum (Al), % 0 to 0.040
0.020 to 0.050
Boron (B), % 0.00050 to 0.0050
0
Carbon (C), % 0.090 to 0.13
0 to 0.2
Chromium (Cr), % 8.5 to 9.5
0 to 0.3
Copper (Cu), % 0
0 to 0.7
Iron (Fe), % 86.2 to 88.8
95.2 to 98.9
Manganese (Mn), % 0.3 to 0.6
1.1 to 1.7
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.1
Nickel (Ni), % 0.1 to 0.4
0 to 0.8
Niobium (Nb), % 0.060 to 0.1
0 to 0.050
Nitrogen (N), % 0.050 to 0.090
0 to 0.025
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0.1 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0 to 0.2