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ALLOY 316 / 316 L

While standard steel contains a trace of chromium to increase its strength and hardness, stainless steel alloys exhibit superior corrosion resistance due to their ability to form a passivation layer of chromium oxide on their outer surface, effectively coating the steel and protecting it from harmful oxidation caused by the reaction of exposed iron and oxygen molecules in the atmosphere. Apex Metal India is a leading supplier and stockist of all grades of stainless steel.



Alloy 316/316L is an austenitic stainless steel containing molybdenum. Due to the higher nickel and molybdenum content of this grade, it exhibits superior corrosion resistance overall to 304, particularly in chloride environments. Additionally, Alloy 316/316L exhibits superior tensile, creep, and stress-rupture strengths at elevated temperatures, as well as exceptional formability and weldability. Because 316L is a lower carbon version of 316 and is resistant to sensitization, it is frequently used in heavy gauge welded components.



SPECIFICATION :


  • UNS S31600 / S31603
  • ASTM A 479 , A 276 , A 182 TP 316 / 316 L NACE MR 0175 , NACE MR 0103
  • PED CERTIFIED
  • AMS STD CERTIFICATION
  • NORSOK CERTIFIED

Chemical Analysis :


C Mn Si P S Cr Mo Ni N
316(S31600) 0.08 max 2.0 max 0.75 max 0.045 max 0.03 max min: 16.0
max: 18.0
min:2.0
max:3.0
min:10.0
max:14.0
0.10 max
316L(S31603) 0.03 max 2.0 max 0.75 max 0.045 max 0.03 max min: 16.0
max: 18.0
min:2.0
max:3.0
min:10.0
max:14.0
0.10 max


Mechanical Properties :


Grade Tensile Strength ksi (min) Yield Strength0.2% ksi (min Elongation % Hardness (Brinell) MAX Hardness(Rockwell B) MAX
316(S31600) 75 30 40 217 95
316L(S31603) 70 25 40 217 95


APPLICATION :


  • Food preparation equipment, especially in chloride environments
  • Chemical processing, equipment
  • Laboratory benches and equipment
  • Rubber, plastics, pulp & paper machinery
  • Pollution control equipment
  • Boat fittings, value and pump trim.
  • Heat exchangers
  • Pharmaceutical and textile industries
  • Condensers, evaporators and tanks
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