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EN 1.7701 Steel vs. S32654 Stainless Steel

Both EN 1.7701 steel and S32654 stainless steel are iron alloys. They have 44% 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 1.7701 steel and the bottom bar is S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
82
Tensile Strength: Ultimate (UTS), MPa 670 to 2010
850

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 44
11
Thermal Expansion, µm/m-K 13
15

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
34
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.9
6.4
Embodied Energy, MJ/kg 26
87
Embodied Water, L/kg 52
220

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 71
29
Strength to Weight: Bending, points 22 to 45
25
Thermal Diffusivity, mm2/s 12
2.9
Thermal Shock Resistance, points 20 to 59
19

Alloy Composition

Carbon (C), % 0.48 to 0.56
0 to 0.020
Chromium (Cr), % 0.9 to 1.2
24 to 25
Copper (Cu), % 0
0.3 to 0.6
Iron (Fe), % 96.2 to 97.7
38.3 to 45.3
Manganese (Mn), % 0.7 to 1.1
2.0 to 4.0
Molybdenum (Mo), % 0.15 to 0.3
7.0 to 8.0
Nickel (Ni), % 0
21 to 23
Nitrogen (N), % 0
0.45 to 0.55
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.0050
Vanadium (V), % 0.1 to 0.2
0