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EN 1.4474 Stainless Steel vs. EN 1.4501 Stainless Steel

Both EN 1.4474 stainless steel and EN 1.4501 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have a very high 95% 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 1.4474 stainless steel and the bottom bar is EN 1.4501 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
27
Fatigue Strength, MPa 320
430
Impact Strength: V-Notched Charpy, J 34
90
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 670
830
Tensile Strength: Yield (Proof), MPa 480
600

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 17
22
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.4
4.1
Embodied Energy, MJ/kg 48
57
Embodied Water, L/kg 170
180

Common Calculations

PREN (Pitting Resistance) 34
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
210
Resilience: Unit (Modulus of Resilience), kJ/m3 560
870
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
29
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 18
22

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 25 to 27
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 61.2 to 69.1
57.6 to 65.8
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 1.3 to 2.0
3.0 to 4.0
Nickel (Ni), % 4.5 to 6.5
6.0 to 8.0
Nitrogen (N), % 0.12 to 0.2
0.2 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Tungsten (W), % 0
0.5 to 1.0