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EN 1.4931 Steel vs. EN 1.4301 Stainless Steel

Both EN 1.4931 steel and EN 1.4301 stainless steel are iron alloys. They have 84% 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 1.4301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
14 to 46
Fatigue Strength, MPa 410
200 to 330
Impact Strength: V-Notched Charpy, J 30
91 to 94
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 810
610 to 900
Tensile Strength: Yield (Proof), MPa 620
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 600
940
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
15
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
3.0
Embodied Energy, MJ/kg 42
43
Embodied Water, L/kg 100
140

Common Calculations

PREN (Pitting Resistance) 16
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 970
120 to 820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
22 to 32
Strength to Weight: Bending, points 25
20 to 27
Thermal Diffusivity, mm2/s 6.5
4.0
Thermal Shock Resistance, points 22
14 to 20

Alloy Composition

Carbon (C), % 0.2 to 0.26
0 to 0.070
Chromium (Cr), % 11.3 to 12.2
17.5 to 19.5
Iron (Fe), % 83.2 to 86.8
66.8 to 74.5
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Molybdenum (Mo), % 1.0 to 1.2
0
Nickel (Ni), % 0 to 1.0
8.0 to 10.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
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