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S20910 Stainless Steel vs. EN 1.4659 Stainless Steel

Both S20910 stainless steel and EN 1.4659 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 31 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 S20910 stainless steel and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 14 to 39
49
Fatigue Strength, MPa 310 to 460
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
81
Shear Strength, MPa 500 to 570
640
Tensile Strength: Ultimate (UTS), MPa 780 to 940
900
Tensile Strength: Yield (Proof), MPa 430 to 810
480

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
440
Maximum Temperature: Mechanical, °C 1080
1100
Melting Completion (Liquidus), °C 1420
1480
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
37
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 4.8
6.5
Embodied Energy, MJ/kg 68
89
Embodied Water, L/kg 180
220

Common Calculations

PREN (Pitting Resistance) 34
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
370
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 33
31
Strength to Weight: Bending, points 24 to 27
25
Thermal Diffusivity, mm2/s 3.6
3.2
Thermal Shock Resistance, points 17 to 21
19

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.020
Chromium (Cr), % 20.5 to 23.5
23 to 25
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 52.1 to 62.1
35.7 to 45.7
Manganese (Mn), % 4.0 to 6.0
2.0 to 4.0
Molybdenum (Mo), % 1.5 to 3.0
5.5 to 6.5
Nickel (Ni), % 11.5 to 13.5
21 to 23
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0.35 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5
Vanadium (V), % 0.1 to 0.3
0