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EN 1.4724 Stainless Steel vs. S32050 Stainless Steel

Both EN 1.4724 stainless steel and S32050 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 61% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4724 stainless steel and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16
46
Fatigue Strength, MPa 170
340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
81
Shear Strength, MPa 340
540
Tensile Strength: Ultimate (UTS), MPa 550
770
Tensile Strength: Yield (Proof), MPa 280
370

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 850
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
31
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.0
6.0
Embodied Energy, MJ/kg 28
81
Embodied Water, L/kg 110
210

Common Calculations

PREN (Pitting Resistance) 13
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
290
Resilience: Unit (Modulus of Resilience), kJ/m3 210
330
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
27
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 5.6
3.3
Thermal Shock Resistance, points 19
17

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0
Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 12 to 14
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 82.2 to 86.6
43.1 to 51.8
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
6.0 to 6.6
Nickel (Ni), % 0
20 to 23
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0.7 to 1.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020