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EN 1.8959 Steel vs. EN 1.4905 Stainless Steel

Both EN 1.8959 steel and EN 1.4905 stainless 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 1.8959 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, % 16
19
Fatigue Strength, MPa 220
330
Impact Strength: V-Notched Charpy, J 30
38
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 350
460
Tensile Strength: Ultimate (UTS), MPa 570
740
Tensile Strength: Yield (Proof), MPa 340
510

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 420
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 39
26
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
4.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.7
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 52
90

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
130
Resilience: Unit (Modulus of Resilience), kJ/m3 300
680
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
26
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 10
7.0
Thermal Shock Resistance, points 17
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Boron (B), % 0
0.00050 to 0.0050
Carbon (C), % 0 to 0.19
0.090 to 0.13
Chromium (Cr), % 0.35 to 0.85
8.5 to 9.5
Copper (Cu), % 0.2 to 0.6
0
Iron (Fe), % 94.9 to 99
86.2 to 88.8
Manganese (Mn), % 0.45 to 1.6
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.35
0.9 to 1.1
Nickel (Ni), % 0 to 0.7
0.1 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0 to 0.010
0.050 to 0.090
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.55
0.1 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25
Zirconium (Zr), % 0 to 0.17
0