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EN 1.4587 Stainless Steel vs. S20910 Stainless Steel

Both EN 1.4587 stainless steel and S20910 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
230 to 290
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
14 to 39
Fatigue Strength, MPa 200
310 to 460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 540
780 to 940
Tensile Strength: Yield (Proof), MPa 250
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 1100
1080
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 36
22
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.3
4.8
Embodied Energy, MJ/kg 87
68
Embodied Water, L/kg 230
180

Common Calculations

PREN (Pitting Resistance) 43
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 150
460 to 1640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
28 to 33
Strength to Weight: Bending, points 18
24 to 27
Thermal Diffusivity, mm2/s 4.5
3.6
Thermal Shock Resistance, points 13
17 to 21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 24 to 26
20.5 to 23.5
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 32.7 to 41.9
52.1 to 62.1
Manganese (Mn), % 0 to 2.0
4.0 to 6.0
Molybdenum (Mo), % 4.0 to 5.0
1.5 to 3.0
Nickel (Ni), % 28 to 30
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0.15 to 0.25
0.2 to 0.4
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3