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EN 1.4931 Steel vs. EN 1.4910 Stainless Steel

Both EN 1.4931 steel and EN 1.4910 stainless steel are iron alloys. They have 80% 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 1.4910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
41
Fatigue Strength, MPa 410
250
Impact Strength: V-Notched Charpy, J 30
98
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 810
650
Tensile Strength: Yield (Proof), MPa 620
290

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 600
950
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
16
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
3.9
Embodied Energy, MJ/kg 42
54
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 16
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
220
Resilience: Unit (Modulus of Resilience), kJ/m3 970
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
23
Strength to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 6.5
4.3
Thermal Shock Resistance, points 22
14

Alloy Composition

Boron (B), % 0
0.0015 to 0.0050
Carbon (C), % 0.2 to 0.26
0 to 0.040
Chromium (Cr), % 11.3 to 12.2
16 to 18
Iron (Fe), % 83.2 to 86.8
62 to 69.9
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Molybdenum (Mo), % 1.0 to 1.2
2.0 to 3.0
Nickel (Ni), % 0 to 1.0
12 to 14
Nitrogen (N), % 0
0.1 to 0.18
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.015
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0