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EN 1.4410 Stainless Steel vs. EN 1.4501 Stainless Steel

Both EN 1.4410 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 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4410 stainless steel and the bottom bar is EN 1.4501 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
250
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 24
27
Fatigue Strength, MPa 410
430
Impact Strength: V-Notched Charpy, J 90
90
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
80
Shear Strength, MPa 540
540
Tensile Strength: Ultimate (UTS), MPa 850
830
Tensile Strength: Yield (Proof), MPa 600
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 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 20
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.0
4.1
Embodied Energy, MJ/kg 56
57
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 42
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
210
Resilience: Unit (Modulus of Resilience), kJ/m3 880
870
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
29
Strength to Weight: Bending, points 26
25
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 23
22

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 58.1 to 66.8
57.6 to 65.8
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.5
3.0 to 4.0
Nickel (Ni), % 6.0 to 8.0
6.0 to 8.0
Nitrogen (N), % 0.24 to 0.35
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 0.015
0 to 0.015
Tungsten (W), % 0
0.5 to 1.0