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EN 1.6511 Steel vs. EN 1.4905 Stainless Steel

Both EN 1.6511 steel and EN 1.4905 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.6511 steel and the bottom bar is EN 1.4905 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12
19
Fatigue Strength, MPa 480
330
Impact Strength: V-Notched Charpy, J 37
38
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 600
460
Tensile Strength: Ultimate (UTS), MPa 990
740
Tensile Strength: Yield (Proof), MPa 770
510

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 430
660
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 36
26
Thermal Expansion, µm/m-K 13
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 3.1
9.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
2.8
Embodied Energy, MJ/kg 21
40
Embodied Water, L/kg 53
90

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1590
680
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 35
26
Strength to Weight: Bending, points 28
23
Thermal Diffusivity, mm2/s 9.9
7.0
Thermal Shock Resistance, points 29
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Boron (B), % 0
0.00050 to 0.0050
Carbon (C), % 0.32 to 0.4
0.090 to 0.13
Chromium (Cr), % 0.9 to 1.2
8.5 to 9.5
Iron (Fe), % 95.6 to 97.2
86.2 to 88.8
Manganese (Mn), % 0.5 to 0.8
0.3 to 0.6
Molybdenum (Mo), % 0.15 to 0.3
0.9 to 1.1
Nickel (Ni), % 0.9 to 1.2
0.1 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.050 to 0.090
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.4
0.1 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25