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EN 1.4805 Stainless Steel vs. S20910 Stainless Steel

Both EN 1.4805 stainless steel and S20910 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 30 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 EN 1.4805 stainless steel and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
230 to 290
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0
14 to 39
Fatigue Strength, MPa 130
310 to 460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 490
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 420
460
Maximum Temperature: Mechanical, °C 1000
1080
Melting Completion (Liquidus), °C 1390
1420
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
13
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 26
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.7
4.8
Embodied Energy, MJ/kg 66
68
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 22
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
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 25
25
Strength to Weight: Axial, points 17
28 to 33
Strength to Weight: Bending, points 18
24 to 27
Thermal Diffusivity, mm2/s 3.7
3.6
Thermal Shock Resistance, points 11
17 to 21

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.060
Chromium (Cr), % 19 to 23
20.5 to 23.5
Iron (Fe), % 44.9 to 56.8
52.1 to 62.1
Manganese (Mn), % 0 to 2.0
4.0 to 6.0
Molybdenum (Mo), % 0 to 0.5
1.5 to 3.0
Nickel (Ni), % 23 to 27
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3