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EN 1.7117 Steel vs. EN 1.4886 Stainless Steel

Both EN 1.7117 steel and EN 1.4886 stainless steel are iron alloys. They have 48% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7117 steel and the bottom bar is EN 1.4886 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 660 to 1930
580

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 43
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
31
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 1.5
5.4
Embodied Energy, MJ/kg 21
76
Embodied Water, L/kg 51
190

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 69
20
Strength to Weight: Bending, points 22 to 44
19
Thermal Diffusivity, mm2/s 12
3.1
Thermal Shock Resistance, points 20 to 58
14

Alloy Composition

Carbon (C), % 0.49 to 0.56
0 to 0.15
Chromium (Cr), % 0.7 to 1.0
17 to 20
Iron (Fe), % 95.2 to 96.4
38.7 to 49
Manganese (Mn), % 0.7 to 1.0
0 to 2.0
Nickel (Ni), % 0.5 to 0.7
33 to 37
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 1.2 to 1.5
1.0 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.015