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EN 1.4446 Stainless Steel vs. S35045 Stainless Steel

Both EN 1.4446 stainless steel and S35045 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4446 stainless steel and the bottom bar is S35045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
39
Fatigue Strength, MPa 160
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 490
540
Tensile Strength: Yield (Proof), MPa 240
190

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
520
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 22
34
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 4.5
5.8
Embodied Energy, MJ/kg 60
83
Embodied Water, L/kg 160
230

Common Calculations

PREN (Pitting Resistance) 34
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
170
Resilience: Unit (Modulus of Resilience), kJ/m3 140
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 3.6
3.2
Thermal Shock Resistance, points 11
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.030
0.060 to 0.1
Chromium (Cr), % 16.5 to 18.5
25 to 29
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 59.7 to 66.9
29.4 to 42.6
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 12.5 to 14.5
32 to 37
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6