MakeItFrom.com
Menu (ESC)

EN 1.4821 Stainless Steel vs. SAE-AISI T8 Steel

Both EN 1.4821 stainless steel and SAE-AISI T8 steel are iron alloys. They have 73% 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 EN 1.4821 stainless steel and the bottom bar is SAE-AISI T8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 730
780 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1410
1730
Melting Onset (Solidus), °C 1370
1670
Specific Heat Capacity, J/kg-K 490
420
Thermal Conductivity, W/m-K 17
18
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
45
Density, g/cm3 7.6
9.0
Embodied Carbon, kg CO2/kg material 2.9
10
Embodied Energy, MJ/kg 41
160
Embodied Water, L/kg 160
120

Common Calculations

PREN (Pitting Resistance) 26
30
Stiffness to Weight: Axial, points 15
12
Stiffness to Weight: Bending, points 26
22
Strength to Weight: Axial, points 26
24 to 66
Strength to Weight: Bending, points 23
21 to 41
Thermal Diffusivity, mm2/s 4.6
4.8
Thermal Shock Resistance, points 21
24 to 66

Alloy Composition

Carbon (C), % 0.1 to 0.2
0.75 to 0.85
Chromium (Cr), % 24.5 to 26.5
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 64.2 to 71.1
69.3 to 75.4
Manganese (Mn), % 0 to 2.0
0.2 to 0.4
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 3.5 to 5.5
0 to 0.3
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0.8 to 1.5
0.2 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
13.3 to 14.8
Vanadium (V), % 0
1.8 to 2.4