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S17700 Stainless Steel vs. SAE-AISI 1026 Steel

Both S17700 stainless steel and SAE-AISI 1026 steel are iron alloys. They have 74% 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 S17700 stainless steel and the bottom bar is SAE-AISI 1026 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 430
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 1.0 to 23
17 to 27
Fatigue Strength, MPa 290 to 560
200 to 310
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 740 to 940
320 to 340
Tensile Strength: Ultimate (UTS), MPa 1180 to 1650
500 to 550
Tensile Strength: Yield (Proof), MPa 430 to 1210
270 to 470

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 890
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 40
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 210
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3750
200 to 580
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 42 to 59
18 to 20
Strength to Weight: Bending, points 32 to 40
18 to 19
Thermal Diffusivity, mm2/s 4.1
14
Thermal Shock Resistance, points 39 to 54
16 to 18

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0.22 to 0.28
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 70.5 to 76.8
98.7 to 99.18
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Nickel (Ni), % 6.5 to 7.8
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