SAE 316L grade stainless steel, sometimes referred to as A4 stainless steel or marine grade stainless steel, is the second most common austenitic stainless steel after 304/A2 stainless steel.
S 9665 (OTTO) Stainless steel - AISI 316l, foil, Fe/Cr18%/Ni 10%/Mo 3%, thickness 1.2 mm, size 25 × 25 mm, temper annealed - used in chemical and petrochemical industry, in pharmaceutical equipment, medical devices, in potable water, wastewater treatment, in marine applications and architectural applications near the seashore or in urban areas.