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EN 1.7323 Steel vs. S17700 Stainless Steel

Both EN 1.7323 steel and S17700 stainless steel are iron alloys. They have 75% 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 1.7323 steel and the bottom bar is S17700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
180 to 430
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 480 to 1460
1180 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
890
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
15
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
40
Embodied Water, L/kg 50
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 52
42 to 59
Strength to Weight: Bending, points 17 to 36
32 to 40
Thermal Diffusivity, mm2/s 12
4.1
Thermal Shock Resistance, points 14 to 43
39 to 54

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0.17 to 0.23
0 to 0.090
Chromium (Cr), % 0.3 to 0.6
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.1 to 98.4
70.5 to 76.8
Manganese (Mn), % 0.7 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.4 to 0.5
0
Nickel (Ni), % 0
6.5 to 7.8
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0.020 to 0.040
0 to 0.030