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AISI 205 Stainless Steel vs. SAE-AISI T4 Steel

Both AISI 205 stainless steel and SAE-AISI T4 steel are iron alloys. They have 70% of their average alloy composition in common. There are 20 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 AISI 205 stainless steel and the bottom bar is SAE-AISI T4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
800 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1380
1810
Melting Onset (Solidus), °C 1340
1750
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 18
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
55
Density, g/cm3 7.6
9.4
Embodied Carbon, kg CO2/kg material 2.6
8.5
Embodied Energy, MJ/kg 37
130
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 23
37
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 26
21
Strength to Weight: Axial, points 29 to 52
24 to 64
Strength to Weight: Bending, points 25 to 37
20 to 39
Thermal Shock Resistance, points 16 to 29
24 to 64

Alloy Composition

Carbon (C), % 0.12 to 0.25
0.7 to 0.8
Chromium (Cr), % 16.5 to 18.5
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 62.6 to 68.1
66.3 to 72.3
Manganese (Mn), % 14 to 15.5
0.1 to 0.4
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 1.0 to 1.7
0 to 0.3
Nitrogen (N), % 0.32 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
0.8 to 1.2

Comparable Variants