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S17400 Stainless Steel vs. SAE-AISI 1086 Steel

Both S17400 stainless steel and SAE-AISI 1086 steel are iron alloys. They have 75% of their average alloy composition in common. There are 32 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 S17400 stainless steel and the bottom bar is SAE-AISI 1086 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 440
220 to 260
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 21
11
Fatigue Strength, MPa 380 to 670
300 to 360
Poisson's Ratio 0.28
0.29
Reduction in Area, % 40 to 62
28 to 45
Shear Modulus, GPa 75
72
Shear Strength, MPa 570 to 830
450 to 520
Tensile Strength: Ultimate (UTS), MPa 910 to 1390
760 to 870
Tensile Strength: Yield (Proof), MPa 580 to 1250
480 to 580

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Maximum Temperature: Mechanical, °C 850
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
50
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 14
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 39
19
Embodied Water, L/kg 130
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
79 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4060
610 to 890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 49
27 to 31
Strength to Weight: Bending, points 27 to 35
24 to 26
Thermal Diffusivity, mm2/s 4.5
14
Thermal Shock Resistance, points 30 to 46
26 to 30

Alloy Composition

Carbon (C), % 0 to 0.070
0.8 to 0.93
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 70.4 to 78.9
98.5 to 98.9
Manganese (Mn), % 0 to 1.0
0.3 to 0.5
Nickel (Ni), % 3.0 to 5.0
0
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050