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AISI 316N Stainless Steel vs. EN 1.7779 Steel

Both AISI 316N stainless steel and EN 1.7779 steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 316N stainless steel and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0 to 39
16
Fatigue Strength, MPa 230 to 450
430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 420 to 690
500
Tensile Strength: Ultimate (UTS), MPa 620 to 1160
810
Tensile Strength: Yield (Proof), MPa 270 to 870
660

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 940
470
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
4.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
2.8
Embodied Energy, MJ/kg 53
41
Embodied Water, L/kg 150
64

Common Calculations

PREN (Pitting Resistance) 27
5.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 230
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1880
1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 41
29
Strength to Weight: Bending, points 20 to 31
25
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 14 to 26
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.080
0.17 to 0.23
Chromium (Cr), % 16 to 18
3.0 to 3.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 61.9 to 71.9
93.8 to 95.4
Manganese (Mn), % 0 to 2.0
0.3 to 0.5
Molybdenum (Mo), % 2.0 to 3.0
0.5 to 0.6
Nickel (Ni), % 10 to 14
0 to 0.3
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0
0.45 to 0.55