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EN 1.7131 Steel vs. AISI 314 Stainless Steel

Both EN 1.7131 steel and AISI 314 stainless steel are iron alloys. They have 54% 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 1.7131 steel and the bottom bar is AISI 314 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 470 to 1390
590

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 45
15
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
25
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
4.3
Embodied Energy, MJ/kg 19
62
Embodied Water, L/kg 51
190

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 49
21
Strength to Weight: Bending, points 17 to 35
20
Thermal Diffusivity, mm2/s 12
3.9
Thermal Shock Resistance, points 14 to 41
14

Alloy Composition

Carbon (C), % 0.14 to 0.19
0 to 0.25
Chromium (Cr), % 0.8 to 1.1
23 to 26
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96.8 to 98.1
46.7 to 56.5
Manganese (Mn), % 1.0 to 1.3
0 to 2.0
Nickel (Ni), % 0
19 to 22
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.3
1.5 to 3.0
Sulfur (S), % 0 to 0.025
0 to 0.030