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EN 1.4986 Stainless Steel vs. S20910 Stainless Steel

Both EN 1.4986 stainless steel and S20910 stainless steel are iron alloys. They have 89% 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 EN 1.4986 stainless steel and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
230 to 290
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
14 to 39
Fatigue Strength, MPa 350
310 to 460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 460
500 to 570
Tensile Strength: Ultimate (UTS), MPa 750
780 to 940
Tensile Strength: Yield (Proof), MPa 560
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 520
460
Maximum Temperature: Mechanical, °C 940
1080
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.8
4.8
Embodied Energy, MJ/kg 67
68
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 22
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 790
460 to 1640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
28 to 33
Strength to Weight: Bending, points 23
24 to 27
Thermal Diffusivity, mm2/s 4.0
3.6
Thermal Shock Resistance, points 16
17 to 21

Alloy Composition

Boron (B), % 0.050 to 0.1
0
Carbon (C), % 0.040 to 0.1
0 to 0.060
Chromium (Cr), % 15.5 to 17.5
20.5 to 23.5
Iron (Fe), % 59.4 to 66.6
52.1 to 62.1
Manganese (Mn), % 0 to 1.5
4.0 to 6.0
Molybdenum (Mo), % 1.6 to 2.0
1.5 to 3.0
Nickel (Ni), % 15.5 to 17.5
11.5 to 13.5
Niobium (Nb), % 0.4 to 1.2
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3