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EN 1.7701 Steel vs. EN 1.4806 Stainless Steel

Both EN 1.7701 steel and EN 1.4806 stainless steel are iron alloys. They have 47% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7701 steel and the bottom bar is EN 1.4806 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 670 to 2010
470

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 420
1000
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.9
5.4
Embodied Energy, MJ/kg 26
76
Embodied Water, L/kg 52
190

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 71
16
Strength to Weight: Bending, points 22 to 45
17
Thermal Diffusivity, mm2/s 12
3.1
Thermal Shock Resistance, points 20 to 59
11

Alloy Composition

Carbon (C), % 0.48 to 0.56
0.3 to 0.5
Chromium (Cr), % 0.9 to 1.2
16 to 18
Iron (Fe), % 96.2 to 97.7
40.4 to 48.7
Manganese (Mn), % 0.7 to 1.1
0 to 2.0
Molybdenum (Mo), % 0.15 to 0.3
0 to 0.5
Nickel (Ni), % 0
34 to 36
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
1.0 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0.1 to 0.2
0