MakeItFrom.com
Menu (ESC)

SAE-AISI T4 Steel vs. AISI 422 Stainless Steel

Both SAE-AISI T4 steel and AISI 422 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T4 steel and the bottom bar is AISI 422 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
76
Tensile Strength: Ultimate (UTS), MPa 800 to 2140
910 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1810
1480
Melting Onset (Solidus), °C 1750
1470
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 21
24
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 55
11
Density, g/cm3 9.4
7.9
Embodied Carbon, kg CO2/kg material 8.5
3.1
Embodied Energy, MJ/kg 130
44
Embodied Water, L/kg 120
100

Common Calculations

PREN (Pitting Resistance) 37
17
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 24 to 64
32 to 38
Strength to Weight: Bending, points 20 to 39
26 to 30
Thermal Diffusivity, mm2/s 5.4
6.4
Thermal Shock Resistance, points 24 to 64
33 to 39

Alloy Composition

Carbon (C), % 0.7 to 0.8
0.2 to 0.25
Chromium (Cr), % 3.8 to 4.5
11 to 12.5
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 66.3 to 72.3
81.9 to 85.8
Manganese (Mn), % 0.1 to 0.4
0.5 to 1.0
Molybdenum (Mo), % 0.4 to 1.0
0.9 to 1.3
Nickel (Ni), % 0 to 0.3
0.5 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 17.5 to 19
0.9 to 1.3
Vanadium (V), % 0.8 to 1.2
0.2 to 0.3

Comparable Variants