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AISI 316N Stainless Steel vs. EN 1.4931 Steel

Both AISI 316N stainless steel and EN 1.4931 steel are iron alloys. They have 81% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.4931 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
240
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0 to 39
17
Fatigue Strength, MPa 230 to 450
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 620 to 1160
810
Tensile Strength: Yield (Proof), MPa 270 to 870
620

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Mechanical, °C 940
600
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
24
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
11

Otherwise Unclassified Properties

Base Metal Price, % relative 19
8.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
2.9
Embodied Energy, MJ/kg 53
42
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 27
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 230
130
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1880
970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 41
29
Strength to Weight: Bending, points 20 to 31
25
Thermal Diffusivity, mm2/s 4.1
6.5
Thermal Shock Resistance, points 14 to 26
22

Alloy Composition

Carbon (C), % 0 to 0.080
0.2 to 0.26
Chromium (Cr), % 16 to 18
11.3 to 12.2
Iron (Fe), % 61.9 to 71.9
83.2 to 86.8
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 2.0 to 3.0
1.0 to 1.2
Nickel (Ni), % 10 to 14
0 to 1.0
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 0
0.25 to 0.35