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EN 1.4607 Stainless Steel vs. EN 1.7701 Steel

Both EN 1.4607 stainless steel and EN 1.7701 steel are iron alloys. They have 80% 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 1.4607 stainless steel and the bottom bar is EN 1.7701 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 530
670 to 2010

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 18
44
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.6
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.9
Embodied Energy, MJ/kg 40
26
Embodied Water, L/kg 130
52

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
24 to 71
Strength to Weight: Bending, points 19
22 to 45
Thermal Diffusivity, mm2/s 4.9
12
Thermal Shock Resistance, points 19
20 to 59

Alloy Composition

Carbon (C), % 0 to 0.030
0.48 to 0.56
Chromium (Cr), % 18.5 to 20.5
0.9 to 1.2
Iron (Fe), % 75.6 to 81.4
96.2 to 97.7
Manganese (Mn), % 0 to 1.0
0.7 to 1.1
Molybdenum (Mo), % 0
0.15 to 0.3
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0.15 to 0.8
0
Vanadium (V), % 0
0.1 to 0.2