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AISI 441 Stainless Steel vs. EN 1.4515 Stainless Steel

Both AISI 441 stainless steel and EN 1.4515 stainless steel are iron alloys. They have 83% 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 AISI 441 stainless steel and the bottom bar is EN 1.4515 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
25
Fatigue Strength, MPa 180
380
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 470
730
Tensile Strength: Yield (Proof), MPa 270
550

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 550
450
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 23
16
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
19
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.8
Embodied Energy, MJ/kg 41
53
Embodied Water, L/kg 130
180

Common Calculations

PREN (Pitting Resistance) 19
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
170
Resilience: Unit (Modulus of Resilience), kJ/m3 190
730
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
26
Strength to Weight: Bending, points 17
23
Thermal Diffusivity, mm2/s 6.1
4.3
Thermal Shock Resistance, points 16
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17.5 to 19.5
24.5 to 26.5
Copper (Cu), % 0
0.8 to 1.3
Iron (Fe), % 76 to 82.2
58.4 to 66.6
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0 to 1.0
5.5 to 7.0
Niobium (Nb), % 0.3 to 0.9
0
Nitrogen (N), % 0 to 0.030
0.12 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0.1 to 0.5
0