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S32550 Stainless Steel vs. EN 1.4150 Stainless Steel

Both S32550 stainless steel and EN 1.4150 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 79% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S32550 stainless steel and the bottom bar is EN 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 21
20
Fatigue Strength, MPa 400
270
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Shear Strength, MPa 540
460
Tensile Strength: Ultimate (UTS), MPa 860
730
Tensile Strength: Yield (Proof), MPa 620
430

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
840
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 16
23
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 20
8.5
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.8
2.8
Embodied Energy, MJ/kg 53
42
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 40
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 940
470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
27
Strength to Weight: Bending, points 26
24
Thermal Diffusivity, mm2/s 4.4
6.2
Thermal Shock Resistance, points 23
27

Alloy Composition

Carbon (C), % 0 to 0.040
0.45 to 0.6
Chromium (Cr), % 24 to 27
15 to 16.5
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 57.2 to 67
79 to 82.8
Manganese (Mn), % 0 to 1.5
0 to 0.8
Molybdenum (Mo), % 2.9 to 3.9
0.2 to 0.4
Nickel (Ni), % 4.5 to 6.5
0 to 0.4
Nitrogen (N), % 0.1 to 0.25
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
1.3 to 1.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0
0.2 to 0.4