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EN 1.7701 Steel vs. EN 1.4568 Stainless Steel

Both EN 1.7701 steel and EN 1.4568 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 24 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 1.7701 steel and the bottom bar is EN 1.4568 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 670 to 2010
830 to 1620

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
890
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.8
Embodied Energy, MJ/kg 26
40
Embodied Water, L/kg 52
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 71
30 to 58
Strength to Weight: Bending, points 22 to 45
25 to 40
Thermal Diffusivity, mm2/s 12
4.3
Thermal Shock Resistance, points 20 to 59
23 to 46

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.5
Carbon (C), % 0.48 to 0.56
0 to 0.090
Chromium (Cr), % 0.9 to 1.2
16 to 18
Iron (Fe), % 96.2 to 97.7
70.9 to 76.8
Manganese (Mn), % 0.7 to 1.1
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0
6.5 to 7.8
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.025
0 to 0.015
Vanadium (V), % 0.1 to 0.2
0