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EN 1.4530 Stainless Steel vs. SAE-AISI T8 Steel

Both EN 1.4530 stainless steel and SAE-AISI T8 steel are iron alloys. They have 77% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4530 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 0.28
0.29
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 1030 to 1370
780 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1460
1730
Melting Onset (Solidus), °C 1410
1670
Specific Heat Capacity, J/kg-K 470
420
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
45
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 3.4
10
Embodied Energy, MJ/kg 46
160
Embodied Water, L/kg 130
120

Common Calculations

PREN (Pitting Resistance) 19
30
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 36 to 48
24 to 66
Strength to Weight: Bending, points 29 to 35
21 to 41
Thermal Shock Resistance, points 35 to 47
24 to 66

Alloy Composition

Aluminum (Al), % 0.6 to 0.8
0
Carbon (C), % 0 to 0.015
0.75 to 0.85
Chromium (Cr), % 11.5 to 12.5
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 74.4 to 77.3
69.3 to 75.4
Manganese (Mn), % 0 to 0.1
0.2 to 0.4
Molybdenum (Mo), % 1.9 to 2.2
0.4 to 1.0
Nickel (Ni), % 8.5 to 9.5
0 to 0.3
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0.2 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0.28 to 0.37
0
Tungsten (W), % 0
13.3 to 14.8
Vanadium (V), % 0
1.8 to 2.4