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S32003 Stainless Steel vs. EN 1.4470 Stainless Steel

Both S32003 stainless steel and EN 1.4470 stainless steel are iron alloys. They have a very high 96% 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 S32003 stainless steel and the bottom bar is EN 1.4470 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
23
Fatigue Strength, MPa 370
320
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 730
680
Tensile Strength: Yield (Proof), MPa 510
480

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
430
Maximum Temperature: Mechanical, °C 1010
1060
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
18
Thermal Expansion, µm/m-K 13
13

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
17
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.6
Embodied Energy, MJ/kg 42
49
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 29
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
140
Resilience: Unit (Modulus of Resilience), kJ/m3 660
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
24
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 4.0
4.8
Thermal Shock Resistance, points 21
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 19.5 to 22.5
21 to 23
Iron (Fe), % 68.2 to 75.9
63.7 to 71.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 1.5 to 2.0
2.5 to 3.5
Nickel (Ni), % 3.0 to 4.0
4.5 to 6.5
Nitrogen (N), % 0.14 to 0.2
0.12 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.025