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SAE-AISI T5 Steel vs. N08800 Stainless Steel

Both SAE-AISI T5 steel and N08800 stainless steel are iron alloys. They have 50% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T5 steel and the bottom bar is N08800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 860 to 2140
500 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1810
1390
Melting Onset (Solidus), °C 1750
1360
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 11
14

Otherwise Unclassified Properties

Base Metal Price, % relative 60
30
Density, g/cm3 9.4
8.0
Embodied Carbon, kg CO2/kg material 11
5.3
Embodied Energy, MJ/kg 170
76
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 37
21
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 25 to 63
18 to 35
Strength to Weight: Bending, points 21 to 39
18 to 28
Thermal Diffusivity, mm2/s 5.5
3.0
Thermal Shock Resistance, points 26 to 66
13 to 25

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.75 to 0.85
0 to 0.1
Chromium (Cr), % 3.8 to 5.0
19 to 23
Cobalt (Co), % 7.0 to 9.5
0
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 60.6 to 68.3
39.5 to 50.7
Manganese (Mn), % 0.2 to 0.4
0 to 1.5
Molybdenum (Mo), % 0.5 to 1.3
0
Nickel (Ni), % 0 to 0.3
30 to 35
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.2 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0

Comparable Variants