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EN 1.4557 Stainless Steel vs. EN 1.7076 Steel

Both EN 1.4557 stainless steel and EN 1.7076 steel are iron alloys. They have 55% 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 1.4557 stainless steel and the bottom bar is EN 1.7076 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 560
470 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 15
45
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
2.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.6
1.4
Embodied Energy, MJ/kg 76
19
Embodied Water, L/kg 190
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
17 to 60
Strength to Weight: Bending, points 19
17 to 40
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 12
14 to 50

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.020
0.3 to 0.34
Chromium (Cr), % 19.5 to 20.5
0.9 to 1.2
Copper (Cu), % 0.5 to 1.0
0 to 0.25
Iron (Fe), % 49.5 to 56.3
97 to 98.2
Manganese (Mn), % 0 to 1.2
0.6 to 0.9
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
0
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.025