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SAE-AISI T1 Steel vs. EN 1.4818 Stainless Steel

Both SAE-AISI T1 steel and EN 1.4818 stainless steel are iron alloys. They have 74% 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 T1 steel and the bottom bar is EN 1.4818 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
700

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Melting Completion (Liquidus), °C 1810
1410
Melting Onset (Solidus), °C 1750
1370
Specific Heat Capacity, J/kg-K 410
490
Thermal Conductivity, W/m-K 20
17
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 45
16
Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 8.2
3.1
Embodied Energy, MJ/kg 130
44
Embodied Water, L/kg 90
150

Common Calculations

PREN (Pitting Resistance) 34
22
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
25
Strength to Weight: Bending, points 20 to 40
23
Thermal Diffusivity, mm2/s 5.2
4.5
Thermal Shock Resistance, points 23 to 64
15

Alloy Composition

Carbon (C), % 0.65 to 0.8
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 3.8 to 4.5
18 to 20
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
65.6 to 71.8
Manganese (Mn), % 0.1 to 0.4
0 to 1.0
Nickel (Ni), % 0 to 0.3
9.0 to 11
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.2 to 0.4
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0