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S35000 Stainless Steel vs. SAE-AISI A9 Steel

Both S35000 stainless steel and SAE-AISI A9 steel are iron alloys. They have 84% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S35000 stainless steel and the bottom bar is SAE-AISI A9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Tensile Strength: Ultimate (UTS), MPa 1300 to 1570
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
35
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 14
7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
4.7
Embodied Energy, MJ/kg 44
70
Embodied Water, L/kg 130
82

Common Calculations

PREN (Pitting Resistance) 28
10
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 46 to 56
28 to 73
Strength to Weight: Bending, points 34 to 38
24 to 46
Thermal Diffusivity, mm2/s 4.4
9.6
Thermal Shock Resistance, points 42 to 51
25 to 66

Alloy Composition

Carbon (C), % 0.070 to 0.11
0.45 to 0.55
Chromium (Cr), % 16 to 17
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 72.7 to 76.9
87 to 90.5
Manganese (Mn), % 0.5 to 1.3
0 to 0.5
Molybdenum (Mo), % 2.5 to 3.2
1.3 to 1.8
Nickel (Ni), % 4.0 to 5.0
1.3 to 1.8
Nitrogen (N), % 0.070 to 0.13
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.5
1.0 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.8 to 1.4

Comparable Variants