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AISI 303 Stainless Steel vs. SAE-AISI 9260 Steel

Both AISI 303 stainless steel and SAE-AISI 9260 steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 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 303 stainless steel and the bottom bar is SAE-AISI 9260 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40 to 51
21
Fatigue Strength, MPa 230 to 360
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 430 to 470
420
Tensile Strength: Ultimate (UTS), MPa 600 to 690
660
Tensile Strength: Yield (Proof), MPa 230 to 420
380

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Mechanical, °C 930
400
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
45
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.0
1.5
Embodied Energy, MJ/kg 42
20
Embodied Water, L/kg 140
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 440
380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
24
Strength to Weight: Bending, points 20 to 22
22
Thermal Diffusivity, mm2/s 4.4
12
Thermal Shock Resistance, points 13 to 15
20

Alloy Composition

Carbon (C), % 0 to 0.15
0.56 to 0.64
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 67.3 to 74.9
96.1 to 96.9
Manganese (Mn), % 0 to 2.0
0.75 to 1.0
Nickel (Ni), % 8.0 to 10
0
Phosphorus (P), % 0 to 0.2
0 to 0.035
Silicon (Si), % 0 to 1.0
1.8 to 2.2
Sulfur (S), % 0.15 to 0.35
0 to 0.040