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EN 1.4517 Stainless Steel vs. S32803 Stainless Steel

Both EN 1.4517 stainless steel and S32803 stainless steel are iron alloys. They have a moderately high 93% 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 1.4517 stainless steel and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 25
18
Fatigue Strength, MPa 380
350
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 730
680
Tensile Strength: Yield (Proof), MPa 550
560

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
510
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
16
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
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
19
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.8
3.7
Embodied Energy, MJ/kg 53
53
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 38
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 740
760
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
25
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 4.6
4.4
Thermal Shock Resistance, points 20
22

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 24.5 to 26.5
28 to 29
Copper (Cu), % 2.8 to 3.5
0
Iron (Fe), % 56.7 to 65.1
62.9 to 67.1
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 2.5 to 3.5
1.8 to 2.5
Nickel (Ni), % 5.0 to 7.0
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0.12 to 0.22
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.55
Sulfur (S), % 0 to 0.025
0 to 0.0035