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EN 1.4558 Stainless Steel vs. S20910 Stainless Steel

Both EN 1.4558 stainless steel and S20910 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4558 stainless steel and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
14 to 39
Fatigue Strength, MPa 170
310 to 460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 350
500 to 570
Tensile Strength: Ultimate (UTS), MPa 510
780 to 940
Tensile Strength: Yield (Proof), MPa 200
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 480
460
Maximum Temperature: Mechanical, °C 1100
1080
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
13
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 31
22
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.5
4.8
Embodied Energy, MJ/kg 77
68
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 22
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 100
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 3.1
3.6
Thermal Shock Resistance, points 12
17 to 21

Alloy Composition

Aluminum (Al), % 0.15 to 0.45
0
Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 20 to 23
20.5 to 23.5
Iron (Fe), % 39.2 to 47.9
52.1 to 62.1
Manganese (Mn), % 0 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 32 to 35
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 0.020
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.6
0
Vanadium (V), % 0
0.1 to 0.3