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EN 1.4150 Stainless Steel vs. S32050 Stainless Steel

Both EN 1.4150 stainless steel and S32050 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 65% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4150 stainless steel and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20
46
Fatigue Strength, MPa 270
340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
81
Shear Strength, MPa 460
540
Tensile Strength: Ultimate (UTS), MPa 730
770
Tensile Strength: Yield (Proof), MPa 430
370

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 840
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 23
12
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
31
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 2.8
6.0
Embodied Energy, MJ/kg 42
81
Embodied Water, L/kg 120
210

Common Calculations

PREN (Pitting Resistance) 19
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
290
Resilience: Unit (Modulus of Resilience), kJ/m3 470
330
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 24
23
Thermal Diffusivity, mm2/s 6.2
3.3
Thermal Shock Resistance, points 27
17

Alloy Composition

Carbon (C), % 0.45 to 0.6
0 to 0.030
Chromium (Cr), % 15 to 16.5
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 79 to 82.8
43.1 to 51.8
Manganese (Mn), % 0 to 0.8
0 to 1.5
Molybdenum (Mo), % 0.2 to 0.4
6.0 to 6.6
Nickel (Ni), % 0 to 0.4
20 to 23
Nitrogen (N), % 0.050 to 0.2
0.21 to 0.32
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 1.3 to 1.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020
Vanadium (V), % 0.2 to 0.4
0