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EN 1.4474 Stainless Steel vs. AISI 301 Stainless Steel

Both EN 1.4474 stainless steel and AISI 301 stainless steel are iron alloys. They have 89% 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 1.4474 stainless steel and the bottom bar is AISI 301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
7.4 to 46
Fatigue Strength, MPa 320
210 to 600
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 670
590 to 1460
Tensile Strength: Yield (Proof), MPa 480
230 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
840
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 17
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
2.7
Embodied Energy, MJ/kg 48
39
Embodied Water, L/kg 170
130

Common Calculations

PREN (Pitting Resistance) 34
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
99 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 560
130 to 2970
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
21 to 52
Strength to Weight: Bending, points 22
20 to 37
Thermal Diffusivity, mm2/s 4.6
4.2
Thermal Shock Resistance, points 18
12 to 31

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 25 to 27
16 to 18
Iron (Fe), % 61.2 to 69.1
70.7 to 78
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 1.3 to 2.0
0
Nickel (Ni), % 4.5 to 6.5
6.0 to 8.0
Nitrogen (N), % 0.12 to 0.2
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030