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EN 1.4587 Stainless Steel vs. S40920 Stainless Steel

Both EN 1.4587 stainless steel and S40920 stainless steel are iron alloys. They have 50% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4587 stainless steel and the bottom bar is S40920 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
22
Fatigue Strength, MPa 200
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 540
430
Tensile Strength: Yield (Proof), MPa 250
190

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1100
710
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
26
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
6.5
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.3
2.0
Embodied Energy, MJ/kg 87
28
Embodied Water, L/kg 230
94

Common Calculations

PREN (Pitting Resistance) 43
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
78
Resilience: Unit (Modulus of Resilience), kJ/m3 150
97
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
15
Strength to Weight: Bending, points 18
16
Thermal Diffusivity, mm2/s 4.5
6.9
Thermal Shock Resistance, points 13
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
10.5 to 11.7
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 32.7 to 41.9
85.1 to 89.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 28 to 30
0 to 0.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0.15 to 0.25
0 to 0.030
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.5