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SAE-AISI T8 Steel vs. EN 1.4980 Stainless Steel

Both SAE-AISI T8 steel and EN 1.4980 stainless steel are iron alloys. They have 60% 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 T8 steel and the bottom bar is EN 1.4980 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 780 to 2140
1030

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1730
1430
Melting Onset (Solidus), °C 1670
1380
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 18
13
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 45
26
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 10
6.0
Embodied Energy, MJ/kg 160
87
Embodied Water, L/kg 120
170

Common Calculations

PREN (Pitting Resistance) 30
19
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24 to 66
36
Strength to Weight: Bending, points 21 to 41
28
Thermal Diffusivity, mm2/s 4.8
3.5
Thermal Shock Resistance, points 24 to 66
22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0.75 to 0.85
0.030 to 0.080
Chromium (Cr), % 3.8 to 4.5
13.5 to 16
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 69.3 to 75.4
49.2 to 58.5
Manganese (Mn), % 0.2 to 0.4
1.0 to 2.0
Molybdenum (Mo), % 0.4 to 1.0
1.0 to 1.5
Nickel (Ni), % 0 to 0.3
24 to 27
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Tungsten (W), % 13.3 to 14.8
0
Vanadium (V), % 1.8 to 2.4
0.1 to 0.5