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EN 1.7701 Steel vs. S45500 Stainless Steel

Both EN 1.7701 steel and S45500 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.7701 steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
280 to 500
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
1370 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 420
760
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
17
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
3.8
Embodied Energy, MJ/kg 26
57
Embodied Water, L/kg 52
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 71
48 to 65
Strength to Weight: Bending, points 22 to 45
35 to 42
Thermal Shock Resistance, points 20 to 59
48 to 64

Alloy Composition

Carbon (C), % 0.48 to 0.56
0 to 0.050
Chromium (Cr), % 0.9 to 1.2
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 96.2 to 97.7
71.5 to 79.2
Manganese (Mn), % 0.7 to 1.1
0 to 0.5
Molybdenum (Mo), % 0.15 to 0.3
0 to 0.5
Nickel (Ni), % 0
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4
Vanadium (V), % 0.1 to 0.2
0

Comparable Variants