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EN 1.4104 Stainless Steel vs. S32803 Stainless Steel

Both EN 1.4104 stainless steel and S32803 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4104 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, % 11 to 23
18
Fatigue Strength, MPa 230 to 310
350
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Shear Strength, MPa 400 to 450
420
Tensile Strength: Ultimate (UTS), MPa 630 to 750
680
Tensile Strength: Yield (Proof), MPa 350 to 560
560

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
510
Maximum Temperature: Mechanical, °C 860
1100
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
19
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.2
3.7
Embodied Energy, MJ/kg 30
53
Embodied Water, L/kg 120
180

Common Calculations

PREN (Pitting Resistance) 18
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 800
760
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 27
25
Strength to Weight: Bending, points 21 to 24
22
Thermal Diffusivity, mm2/s 6.7
4.4
Thermal Shock Resistance, points 22 to 27
22

Alloy Composition

Carbon (C), % 0.1 to 0.17
0 to 0.015
Chromium (Cr), % 15.5 to 17.5
28 to 29
Iron (Fe), % 78.8 to 84.1
62.9 to 67.1
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 0.2 to 0.6
1.8 to 2.5
Nickel (Ni), % 0
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.55
Sulfur (S), % 0.15 to 0.35
0 to 0.0035