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S32520 Stainless Steel vs. EN 1.4981 Stainless Steel

Both S32520 stainless steel and EN 1.4981 stainless steel are iron alloys. They have 88% 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 S32520 stainless steel and the bottom bar is EN 1.4981 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
39
Fatigue Strength, MPa 460
210
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 560
420
Tensile Strength: Ultimate (UTS), MPa 860
610
Tensile Strength: Yield (Proof), MPa 630
240

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
520
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 13
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 20
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.0
4.8
Embodied Energy, MJ/kg 55
67
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 41
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
190
Resilience: Unit (Modulus of Resilience), kJ/m3 960
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
21
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 4.1
4.3
Thermal Shock Resistance, points 24
14

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.1
Chromium (Cr), % 24 to 26
15.5 to 17.5
Copper (Cu), % 0.5 to 2.0
0
Iron (Fe), % 57.3 to 66.8
59.6 to 66.7
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 3.0 to 4.0
1.6 to 2.0
Nickel (Ni), % 5.5 to 8.0
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0.2 to 0.35
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.8
0.3 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.015