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EN 1.7077 Steel vs. EN 1.4905 Stainless Steel

Both EN 1.7077 steel and EN 1.4905 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 24 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 EN 1.7077 steel and the bottom bar is EN 1.4905 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 490 to 1750
740

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 420
660
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
26
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
4.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
9.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 19
40
Embodied Water, L/kg 51
90

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 62
26
Strength to Weight: Bending, points 18 to 41
23
Thermal Diffusivity, mm2/s 12
7.0
Thermal Shock Resistance, points 14 to 51
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Boron (B), % 0.00080 to 0.0050
0.00050 to 0.0050
Carbon (C), % 0.34 to 0.38
0.090 to 0.13
Chromium (Cr), % 0.9 to 1.2
8.5 to 9.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96.8 to 98.1
86.2 to 88.8
Manganese (Mn), % 0.7 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0
0.1 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.050 to 0.090
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.3
0.1 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25