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EN 1.4901 Stainless Steel vs. EN 1.4024 Stainless Steel

Both EN 1.4901 stainless steel and EN 1.4024 stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4901 stainless steel and the bottom bar is EN 1.4024 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
15 to 22
Fatigue Strength, MPa 310
220 to 300
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 460
370 to 460
Tensile Strength: Ultimate (UTS), MPa 740
590 to 750
Tensile Strength: Yield (Proof), MPa 490
330 to 510

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Corrosion, °C 380
390
Maximum Temperature: Mechanical, °C 650
760
Melting Completion (Liquidus), °C 1490
1440
Melting Onset (Solidus), °C 1450
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
30
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
7.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.8
1.9
Embodied Energy, MJ/kg 40
27
Embodied Water, L/kg 89
100

Common Calculations

PREN (Pitting Resistance) 14
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
98 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 620
280 to 660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
21 to 27
Strength to Weight: Bending, points 23
20 to 24
Thermal Diffusivity, mm2/s 6.9
8.1
Thermal Shock Resistance, points 23
21 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
0.12 to 0.17
Chromium (Cr), % 8.5 to 9.5
12 to 14
Iron (Fe), % 85.8 to 89.1
83.8 to 87.9
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
0
Vanadium (V), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0