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EN 1.4417 Stainless Steel vs. S32950 Stainless Steel

Both EN 1.4417 stainless steel and S32950 stainless steel are iron alloys. They have a moderately high 94% 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 1.4417 stainless steel and the bottom bar is S32950 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
17
Fatigue Strength, MPa 380
330
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 730
780
Tensile Strength: Yield (Proof), MPa 550
550

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 21
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.1
3.4
Embodied Energy, MJ/kg 57
47
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 41
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 730
730
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
28
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 4.6
4.3
Thermal Shock Resistance, points 20
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
26 to 29
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 56.7 to 66.9
60.3 to 69.4
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
1.0 to 2.5
Nickel (Ni), % 6.0 to 8.5
3.5 to 5.2
Nitrogen (N), % 0.15 to 0.25
0.15 to 0.35
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.010
Tungsten (W), % 0 to 1.0
0