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S32304 Stainless Steel vs. EN 1.3551 Steel

Both S32304 stainless steel and EN 1.3551 steel are iron alloys. They have 75% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S32304 stainless steel and the bottom bar is EN 1.3551 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
75
Tensile Strength: Ultimate (UTS), MPa 670
720

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 1050
530
Melting Completion (Liquidus), °C 1420
1490
Melting Onset (Solidus), °C 1380
1450
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
36
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 14
9.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
4.9
Embodied Energy, MJ/kg 40
71
Embodied Water, L/kg 160
82

Common Calculations

PREN (Pitting Resistance) 26
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 4.0
9.8
Thermal Shock Resistance, points 18
21

Alloy Composition

Carbon (C), % 0 to 0.030
0.77 to 0.85
Chromium (Cr), % 21.5 to 24.5
3.9 to 4.3
Copper (Cu), % 0.050 to 0.6
0 to 0.3
Iron (Fe), % 65 to 75.4
88.8 to 91.1
Manganese (Mn), % 0 to 2.5
0.15 to 0.35
Molybdenum (Mo), % 0.050 to 0.6
4.0 to 4.5
Nickel (Ni), % 3.0 to 5.5
0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
0 to 0.25
Vanadium (V), % 0
0.9 to 1.1