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EN 1.8959 Steel vs. EN 1.4615 Stainless Steel

Both EN 1.8959 steel and EN 1.4615 stainless steel are iron alloys. They have 71% 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 1.8959 steel and the bottom bar is EN 1.4615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
50
Fatigue Strength, MPa 220
190
Impact Strength: V-Notched Charpy, J 30
91
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 350
360
Tensile Strength: Ultimate (UTS), MPa 570
500
Tensile Strength: Yield (Proof), MPa 340
200

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
840
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.7
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.8
Embodied Energy, MJ/kg 21
40
Embodied Water, L/kg 52
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
200
Resilience: Unit (Modulus of Resilience), kJ/m3 300
99
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 10
4.1
Thermal Shock Resistance, points 17
11

Alloy Composition

Carbon (C), % 0 to 0.19
0 to 0.030
Chromium (Cr), % 0.35 to 0.85
14 to 16
Copper (Cu), % 0.2 to 0.6
2.0 to 4.0
Iron (Fe), % 94.9 to 99
63.1 to 72.5
Manganese (Mn), % 0.45 to 1.6
7.0 to 9.0
Molybdenum (Mo), % 0 to 0.35
0 to 0.8
Nickel (Ni), % 0 to 0.7
4.5 to 6.0
Nitrogen (N), % 0 to 0.010
0.020 to 0.060
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.55
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.010
Zirconium (Zr), % 0 to 0.17
0