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S32003 Stainless Steel vs. EN 1.1203 Steel

Both S32003 stainless steel and EN 1.1203 steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 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 1.1203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
200 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
12 to 15
Fatigue Strength, MPa 370
210 to 310
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
72
Shear Strength, MPa 480
420 to 480
Tensile Strength: Ultimate (UTS), MPa 730
690 to 780
Tensile Strength: Yield (Proof), MPa 510
340 to 480

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1010
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
48
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 42
19
Embodied Water, L/kg 150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
69 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 660
310 to 610
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
25 to 28
Strength to Weight: Bending, points 23
22 to 24
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 21
22 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0.52 to 0.6
Chromium (Cr), % 19.5 to 22.5
0 to 0.4
Iron (Fe), % 68.2 to 75.9
97.1 to 98.9
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 1.5 to 2.0
0 to 0.1
Nickel (Ni), % 3.0 to 4.0
0 to 0.4
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035