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EN 1.4515 Stainless Steel vs. S44626 Stainless Steel

Both EN 1.4515 stainless steel and S44626 stainless steel are iron alloys. They have a moderately high 90% 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 1.4515 stainless steel and the bottom bar is S44626 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
23
Fatigue Strength, MPa 380
230
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 730
540
Tensile Strength: Yield (Proof), MPa 550
350

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
560
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.8
2.9
Embodied Energy, MJ/kg 53
42
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 38
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 730
300
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 26
19
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 4.3
4.6
Thermal Shock Resistance, points 20
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 24.5 to 26.5
25 to 27
Copper (Cu), % 0.8 to 1.3
0 to 0.2
Iron (Fe), % 58.4 to 66.6
68.1 to 74.1
Manganese (Mn), % 0 to 2.0
0 to 0.75
Molybdenum (Mo), % 2.5 to 3.5
0.75 to 1.5
Nickel (Ni), % 5.5 to 7.0
0 to 0.5
Nitrogen (N), % 0.12 to 0.25
0 to 0.040
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.020
Titanium (Ti), % 0
0.2 to 1.0