Alloy Names (as per RoHS specifications)
UNS S31600
Chemical Composition Weight percentage
Chromium [Cr] 16-18%
Phosphorus [P] 0.045% Max.
Nickel [Ni] 10-14 %
Managnese [Mn] 2%
Silicon [Si] 0.75% Max.
Carbon [C] 0.08% max.
Molybdenum [Mo] 2-3%
Characterists
  • Highest creep, stess to rupture & Tensile strength at elevated temperature.
  • Exellent resistance to corrosion. Molybdenum gives 316 better overall corrosion resistant properties than Grade 304.
  • Second-most common form of stainless steel.
  • Excellent weldability.
  • Cannot be hardened by heat treatment.
  • It is also known as marine grade stainless steel due to its increased resistance to chloride corrosion compared to type 304.
Main Applications
Industrial : Pollution control equipment, Rubber, plastics, pulp & paper machinery, Food processing equipment, Oil & petroleum refining equipment, Boat fittings, value and pump trim.
Chemical : Chemical processing, equipment, Laboratory benches and equipment, Heat exchangers.
Medical : Pharmaceutical processing equipment,  medical implants like total hip, and knee replacements Condensers, evaporators and tanks.
Textile: Textile Finishing Equipment .
Marine: Marine Exterior Trim.

Properties

Grade Tensile Strength ksi (min) Yield Strength 0.2% ksi (min) Elongation % Hardness (Brinell) MAX Hardness (Rockwell B) MAX
316 (S31600) 75 30 40 217 95
Density Ibm/in³ Thermald Conductivity (BTU/h ft.°F) Electrical Resistivity (in x 10‾⁶) Modulus of Elasticity (psi x 10⁶) Coefficient of Thermal Expansion (in/in)/°Fx10‾⁶ Specific Heat (BTU/lb/°F) Melting Range (°F)
0.29 at 68°F 100.8 at 68 212°F 29.1 at 68°F 29 8.9 at 32 - 212°F 0.108 at 68°F 2500 to 2550

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