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S20910 Stainless Steel vs. SAE-AISI 1117 Steel

Both S20910 stainless steel and SAE-AISI 1117 steel are iron alloys. They have 58% 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 S20910 stainless steel and the bottom bar is SAE-AISI 1117 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
140 to 150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 39
17 to 26
Fatigue Strength, MPa 310 to 460
190 to 300
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56 to 62
46 to 53
Shear Modulus, GPa 79
73
Shear Strength, MPa 500 to 570
320 to 330
Tensile Strength: Ultimate (UTS), MPa 780 to 940
490 to 540
Tensile Strength: Yield (Proof), MPa 430 to 810
260 to 460

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1080
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
52
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.4
Embodied Energy, MJ/kg 68
18
Embodied Water, L/kg 180
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
86 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
180 to 550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 33
17 to 19
Strength to Weight: Bending, points 24 to 27
18 to 19
Thermal Diffusivity, mm2/s 3.6
14
Thermal Shock Resistance, points 17 to 21
15 to 17

Alloy Composition

Carbon (C), % 0 to 0.060
0.14 to 0.2
Chromium (Cr), % 20.5 to 23.5
0
Iron (Fe), % 52.1 to 62.1
98.3 to 98.8
Manganese (Mn), % 4.0 to 6.0
1.0 to 1.3
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13
Vanadium (V), % 0.1 to 0.3
0

Comparable Variants