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EN 1.4931 Steel vs. AISI 301 Stainless Steel

Both EN 1.4931 steel and AISI 301 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4931 steel and the bottom bar is AISI 301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
190 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
7.4 to 46
Fatigue Strength, MPa 410
210 to 600
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 810
590 to 1460
Tensile Strength: Yield (Proof), MPa 620
230 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 600
840
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
16
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
2.7

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
2.7
Embodied Energy, MJ/kg 42
39
Embodied Water, L/kg 100
130

Common Calculations

PREN (Pitting Resistance) 16
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
99 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 970
130 to 2970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
21 to 52
Strength to Weight: Bending, points 25
20 to 37
Thermal Diffusivity, mm2/s 6.5
4.2
Thermal Shock Resistance, points 22
12 to 31

Alloy Composition

Carbon (C), % 0.2 to 0.26
0 to 0.15
Chromium (Cr), % 11.3 to 12.2
16 to 18
Iron (Fe), % 83.2 to 86.8
70.7 to 78
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
6.0 to 8.0
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 0.030
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0