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EN 1.7117 Steel vs. AISI 304L Stainless Steel

Both EN 1.7117 steel and AISI 304L stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.7117 steel and the bottom bar is AISI 304L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
160 to 350
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 660 to 1930
540 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 420
540
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 43
16
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
16
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.1
Embodied Energy, MJ/kg 21
44
Embodied Water, L/kg 51
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 69
19 to 41
Strength to Weight: Bending, points 22 to 44
19 to 31
Thermal Diffusivity, mm2/s 12
4.2
Thermal Shock Resistance, points 20 to 58
12 to 25

Alloy Composition

Carbon (C), % 0.49 to 0.56
0 to 0.030
Chromium (Cr), % 0.7 to 1.0
18 to 20
Iron (Fe), % 95.2 to 96.4
65 to 74
Manganese (Mn), % 0.7 to 1.0
0 to 2.0
Nickel (Ni), % 0.5 to 0.7
8.0 to 12
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 1.2 to 1.5
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030

Comparable Variants