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SAE-AISI T1 Steel vs. EN 1.4859 Stainless Steel

Both SAE-AISI T1 steel and EN 1.4859 stainless steel are iron alloys. They have 50% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, 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 1.4859 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
76
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
490

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Melting Completion (Liquidus), °C 1810
1410
Melting Onset (Solidus), °C 1750
1360
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 20
13
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 45
36
Density, g/cm3 9.3
8.0
Embodied Carbon, kg CO2/kg material 8.2
6.2
Embodied Energy, MJ/kg 130
88
Embodied Water, L/kg 90
190

Common Calculations

PREN (Pitting Resistance) 34
21
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 23 to 64
17
Strength to Weight: Bending, points 20 to 40
17
Thermal Diffusivity, mm2/s 5.2
3.4
Thermal Shock Resistance, points 23 to 64
11

Alloy Composition

Carbon (C), % 0.65 to 0.8
0.050 to 0.15
Chromium (Cr), % 3.8 to 4.5
19 to 21
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
40.3 to 49
Manganese (Mn), % 0.1 to 0.4
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.3
31 to 33
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.4
0.5 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0