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EN 1.4931 Steel vs. EN 1.4615 Stainless Steel

Both EN 1.4931 steel and EN 1.4615 stainless steel are iron alloys. They have 81% 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 1.4931 steel and the bottom bar is EN 1.4615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
50
Fatigue Strength, MPa 410
190
Impact Strength: V-Notched Charpy, J 30
91
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 810
500
Tensile Strength: Yield (Proof), MPa 620
200

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 600
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 24
15
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
2.8
Embodied Energy, MJ/kg 42
40
Embodied Water, L/kg 100
140

Common Calculations

PREN (Pitting Resistance) 16
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
200
Resilience: Unit (Modulus of Resilience), kJ/m3 970
99
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
18
Strength to Weight: Bending, points 25
18
Thermal Diffusivity, mm2/s 6.5
4.1
Thermal Shock Resistance, points 22
11

Alloy Composition

Carbon (C), % 0.2 to 0.26
0 to 0.030
Chromium (Cr), % 11.3 to 12.2
14 to 16
Copper (Cu), % 0
2.0 to 4.0
Iron (Fe), % 83.2 to 86.8
63.1 to 72.5
Manganese (Mn), % 0.5 to 0.8
7.0 to 9.0
Molybdenum (Mo), % 1.0 to 1.2
0 to 0.8
Nickel (Ni), % 0 to 1.0
4.5 to 6.0
Nitrogen (N), % 0
0.020 to 0.060
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.010
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0