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EN 1.7139 Steel vs. AISI 316L Stainless Steel

Both EN 1.7139 steel and AISI 316L stainless steel are iron alloys. They have 69% 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 1.7139 steel and the bottom bar is AISI 316L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
170 to 350
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 480 to 1390
530 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 420
870
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
3.9
Embodied Energy, MJ/kg 19
53
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 17 to 49
19 to 41
Strength to Weight: Bending, points 17 to 35
18 to 31
Thermal Diffusivity, mm2/s 12
4.1
Thermal Shock Resistance, points 14 to 41
12 to 25

Alloy Composition

Carbon (C), % 0.14 to 0.19
0 to 0.030
Chromium (Cr), % 0.8 to 1.1
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96.8 to 98
62 to 72
Manganese (Mn), % 1.0 to 1.3
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
10 to 14
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.3
0 to 0.75
Sulfur (S), % 0.020 to 0.040
0 to 0.030

Comparable Variants