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S32003 Stainless Steel vs. EN 1.4446 Stainless Steel

Both S32003 stainless steel and EN 1.4446 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 32 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 S32003 stainless steel and the bottom bar is EN 1.4446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
23
Fatigue Strength, MPa 370
160
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 730
490
Tensile Strength: Yield (Proof), MPa 510
240

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 1010
980
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 14
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
4.5
Embodied Energy, MJ/kg 42
60
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 29
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
93
Resilience: Unit (Modulus of Resilience), kJ/m3 660
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 4.0
3.6
Thermal Shock Resistance, points 21
11

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 19.5 to 22.5
16.5 to 18.5
Iron (Fe), % 68.2 to 75.9
59.7 to 66.9
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 1.5 to 2.0
4.0 to 4.5
Nickel (Ni), % 3.0 to 4.0
12.5 to 14.5
Nitrogen (N), % 0.14 to 0.2
0.12 to 0.22
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030