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EN 1.4570 Stainless Steel vs. S32050 Stainless Steel

Both EN 1.4570 stainless steel and S32050 stainless steel are iron alloys. They have 76% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4570 stainless steel and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 40
46
Fatigue Strength, MPa 180
340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
81
Shear Strength, MPa 410
540
Tensile Strength: Ultimate (UTS), MPa 610
770
Tensile Strength: Yield (Proof), MPa 210
370

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 930
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.1
6.0
Embodied Energy, MJ/kg 43
81
Embodied Water, L/kg 150
210

Common Calculations

PREN (Pitting Resistance) 20
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
290
Resilience: Unit (Modulus of Resilience), kJ/m3 110
330
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
27
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 4.0
3.3
Thermal Shock Resistance, points 14
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 17 to 19
22 to 24
Copper (Cu), % 1.4 to 1.8
0 to 0.4
Iron (Fe), % 65 to 73.5
43.1 to 51.8
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.6
6.0 to 6.6
Nickel (Ni), % 8.0 to 10
20 to 23
Nitrogen (N), % 0 to 0.1
0.21 to 0.32
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.020