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S20910 Stainless Steel vs. EN 1.4557 Stainless Steel

Both S20910 stainless steel and EN 1.4557 stainless steel are iron alloys. They have 89% 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 S20910 stainless steel and the bottom bar is EN 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 39
40
Fatigue Strength, MPa 310 to 460
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 780 to 940
560
Tensile Strength: Yield (Proof), MPa 430 to 810
300

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
420
Maximum Temperature: Mechanical, °C 1080
1090
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 22
29
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.8
5.6
Embodied Energy, MJ/kg 68
76
Embodied Water, L/kg 180
190

Common Calculations

PREN (Pitting Resistance) 34
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
190
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 33
19
Strength to Weight: Bending, points 24 to 27
19
Thermal Diffusivity, mm2/s 3.6
4.0
Thermal Shock Resistance, points 17 to 21
12

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.020
Chromium (Cr), % 20.5 to 23.5
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 52.1 to 62.1
49.5 to 56.3
Manganese (Mn), % 4.0 to 6.0
0 to 1.2
Molybdenum (Mo), % 1.5 to 3.0
6.0 to 7.0
Nickel (Ni), % 11.5 to 13.5
17.5 to 19.5
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0.18 to 0.24
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0.1 to 0.3
0