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EN 1.7076 Steel vs. S31266 Stainless Steel

Both EN 1.7076 steel and S31266 stainless steel are iron alloys. They have 42% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.7076 steel and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Reduction in Area, % 64 to 69
56
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 470 to 1700
860

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 45
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
37
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.4
6.5
Embodied Energy, MJ/kg 19
89
Embodied Water, L/kg 51
220

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 60
29
Strength to Weight: Bending, points 17 to 40
24
Thermal Diffusivity, mm2/s 12
3.1
Thermal Shock Resistance, points 14 to 50
18

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.3 to 0.34
0 to 0.030
Chromium (Cr), % 0.9 to 1.2
23 to 25
Copper (Cu), % 0 to 0.25
1.0 to 2.5
Iron (Fe), % 97 to 98.2
34.1 to 46
Manganese (Mn), % 0.6 to 0.9
2.0 to 4.0
Molybdenum (Mo), % 0
5.2 to 6.2
Nickel (Ni), % 0
21 to 24
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5