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AISI 316N Stainless Steel vs. EN 1.8509 Steel

Both AISI 316N stainless steel and EN 1.8509 steel are iron alloys. They have 70% 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 1.8509 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
340
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0 to 39
11
Fatigue Strength, MPa 230 to 450
580
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 420 to 690
680
Tensile Strength: Ultimate (UTS), MPa 620 to 1160
1130
Tensile Strength: Yield (Proof), MPa 270 to 870
940

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
440
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.6
Embodied Energy, MJ/kg 53
22
Embodied Water, L/kg 150
65

Common Calculations

PREN (Pitting Resistance) 27
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 230
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1880
2340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 41
40
Strength to Weight: Bending, points 20 to 31
31
Thermal Diffusivity, mm2/s 4.1
10
Thermal Shock Resistance, points 14 to 26
33

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.080
0.38 to 0.45
Chromium (Cr), % 16 to 18
1.5 to 1.8
Iron (Fe), % 61.9 to 71.9
95.5 to 97.1
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 2.0 to 3.0
0.2 to 0.35
Nickel (Ni), % 10 to 14
0
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 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035