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The molybdenum gives 316 better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments.
Grade 316L is the low carbon version of 316.
The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.
Compared to chromium-nickel austenitic stainless steels, 316L stainless steel offers higher creep, stress to rupture and tensile strength at elevated temperatures.
SS3166L is and excellent grade in a range of atmospheric environments and many corrosive media - generally more resistant than 304.
316 is usually regarded as the standard marine grade stainless steel, but the SS316L is equally suitable.
Good oxidation resistance in intermittent service to 870°C and in continuous service to 925°C. Continuous use of 316 in the 425-860°C range is not recommended if subsequent aqueous corrosion resistance is important. Grade 316L is more resistant to carbide precipitation and can be used in the above temperature range. .
Diameter - 0.4mm (26 AWG)
Resistivity - Ohms/m 5.97
Fe, <0.03% C, 16-18.5% Cr, 10-14% Ni, 2-3% Mo, <2% Mn, <1% Si, <0.045% P, <0.03% S
C Mn Si P S Cr Mo Ni N
Min - - - - - 16.0 2.00 10.0 -
Max 0.03 2.0 0.75 0.045 0.03 18.0 3.00 14.0 0.10
Mechanical & Physical Properties
Tensile Str (MPa) - 485
Yield Str 0.2% - Proof
(MPa) Min - 170
Elong (% 50mm)) Min - 40
Hardness - Rockwell B (HR B) Max - 95
Brinell (HB) Max - 217
Density (kg/m3) - 8000
Elastic Modulus (GPa) - 193
Mean Co-eff of Thermal Expansion (µm/m/°C) 0-100°C - 15.9 0-315°C - 16.2 0-538°C - 17.5
Thermal Conductivity (W/m.K) - At 100°C - 16.3 At 500°C - 21.5
Specific Heat 0-100°C (J/kg.K) - 500
Elec Resistivity (n?.m) - 740