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S20910 Stainless Steel vs. AISI 415 Stainless Steel

Both S20910 stainless steel and AISI 415 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is AISI 415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 39
17
Fatigue Strength, MPa 310 to 460
430
Poisson's Ratio 0.28
0.28
Reduction in Area, % 56 to 62
50
Shear Modulus, GPa 79
76
Shear Strength, MPa 500 to 570
550
Tensile Strength: Ultimate (UTS), MPa 780 to 940
900
Tensile Strength: Yield (Proof), MPa 430 to 810
700

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 460
390
Maximum Temperature: Mechanical, °C 1080
780
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
24
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 22
11
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.5
Embodied Energy, MJ/kg 68
35
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 34
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
140
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
1250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 33
32
Strength to Weight: Bending, points 24 to 27
26
Thermal Diffusivity, mm2/s 3.6
6.4
Thermal Shock Resistance, points 17 to 21
33

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.050
Chromium (Cr), % 20.5 to 23.5
11.5 to 14
Iron (Fe), % 52.1 to 62.1
77.8 to 84
Manganese (Mn), % 4.0 to 6.0
0.5 to 1.0
Molybdenum (Mo), % 1.5 to 3.0
0.5 to 1.0
Nickel (Ni), % 11.5 to 13.5
3.5 to 5.5
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.1 to 0.3
0