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EN 1.7227 Steel vs. S24000 Stainless Steel

Both EN 1.7227 steel and S24000 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is EN 1.7227 steel and the bottom bar is S24000 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
77
Tensile Strength: Ultimate (UTS), MPa 540 to 1850
770

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
910
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
12
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
39
Embodied Water, L/kg 51
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 65
28
Strength to Weight: Bending, points 19 to 43
24
Thermal Shock Resistance, points 16 to 54
16

Alloy Composition

Carbon (C), % 0.38 to 0.45
0 to 0.080
Chromium (Cr), % 0.9 to 1.2
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96.5 to 98
61.5 to 69
Manganese (Mn), % 0.6 to 0.9
11.5 to 14.5
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.060
Silicon (Si), % 0 to 0.3
0 to 0.75
Sulfur (S), % 0.020 to 0.040
0 to 0.030