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S32050 Stainless Steel vs. EN 1.4371 Stainless Steel

Both S32050 stainless steel and EN 1.4371 stainless steel are iron alloys. They have 70% of their average alloy composition in common.

For each property being compared, the top bar is S32050 stainless steel and the bottom bar is EN 1.4371 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 46
45 to 51
Fatigue Strength, MPa 340
290 to 340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 540
520 to 540
Tensile Strength: Ultimate (UTS), MPa 770
740 to 750
Tensile Strength: Yield (Proof), MPa 370
320 to 340

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1100
880
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.0
2.6
Embodied Energy, MJ/kg 81
38
Embodied Water, L/kg 210
140

Common Calculations

PREN (Pitting Resistance) 48
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
270 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 330
250 to 300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
27
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 3.3
4.0
Thermal Shock Resistance, points 17
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 22 to 24
16 to 17.5
Copper (Cu), % 0 to 0.4
0 to 1.0
Iron (Fe), % 43.1 to 51.8
66.7 to 74.4
Manganese (Mn), % 0 to 1.5
6.0 to 8.0
Molybdenum (Mo), % 6.0 to 6.6
0
Nickel (Ni), % 20 to 23
3.5 to 5.5
Nitrogen (N), % 0.21 to 0.32
0.15 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015