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EN 1.4458 Stainless Steel vs. S32304 Stainless Steel

Both EN 1.4458 stainless steel and S32304 stainless steel are iron alloys. They have 74% 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 EN 1.4458 stainless steel and the bottom bar is S32304 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
28
Fatigue Strength, MPa 150
330
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 510
670
Tensile Strength: Yield (Proof), MPa 190
460

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 1100
1050
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 30
14
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.4
2.8
Embodied Energy, MJ/kg 75
40
Embodied Water, L/kg 200
160

Common Calculations

PREN (Pitting Resistance) 30
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
170
Resilience: Unit (Modulus of Resilience), kJ/m3 89
520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 4.2
4.0
Thermal Shock Resistance, points 12
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 19 to 22
21.5 to 24.5
Copper (Cu), % 0 to 2.0
0.050 to 0.6
Iron (Fe), % 40.2 to 53
65 to 75.4
Manganese (Mn), % 0 to 2.0
0 to 2.5
Molybdenum (Mo), % 2.0 to 2.5
0.050 to 0.6
Nickel (Ni), % 26 to 30
3.0 to 5.5
Nitrogen (N), % 0 to 0.2
0.050 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030