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EN 1.4372 Stainless Steel vs. EN 1.4501 Stainless Steel

Both EN 1.4372 stainless steel and EN 1.4501 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4372 stainless steel and the bottom bar is EN 1.4501 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 47
27
Fatigue Strength, MPa 330
430
Impact Strength: V-Notched Charpy, J 90
90
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Shear Strength, MPa 560
540
Tensile Strength: Ultimate (UTS), MPa 790
830
Tensile Strength: Yield (Proof), MPa 350
600

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 880
1100
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
22
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
4.1
Embodied Energy, MJ/kg 38
57
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 19
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
210
Resilience: Unit (Modulus of Resilience), kJ/m3 320
870
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
29
Strength to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 17
22

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 16 to 18
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 67.5 to 75
57.6 to 65.8
Manganese (Mn), % 5.5 to 7.5
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 3.5 to 5.5
6.0 to 8.0
Nitrogen (N), % 0.050 to 0.25
0.2 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0
0.5 to 1.0