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AISI 309H Stainless Steel vs. SAE-AISI 1017 Steel

Both AISI 309H stainless steel and SAE-AISI 1017 steel are iron alloys. They have 63% 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 AISI 309H stainless steel and the bottom bar is SAE-AISI 1017 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
20 to 30
Fatigue Strength, MPa 200
170 to 270
Poisson's Ratio 0.27
0.29
Reduction in Area, % 51
46 to 56
Shear Modulus, GPa 78
73
Shear Strength, MPa 400
280 to 290
Tensile Strength: Ultimate (UTS), MPa 580
420 to 460
Tensile Strength: Yield (Proof), MPa 230
220 to 390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1080
400
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
53
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 51
18
Embodied Water, L/kg 170
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 130
130 to 400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
15 to 16
Strength to Weight: Bending, points 20
16 to 17
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13
13 to 14

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.15 to 0.2
Chromium (Cr), % 22 to 24
0
Iron (Fe), % 58.1 to 66
99.11 to 99.55
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Nickel (Ni), % 12 to 15
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0 to 0.050