SS 316 Washers - Flat, Spring & Lock

SS 316 Washers are non-threaded fasteners that perform several critical functions in a bolted joint, most importantly by distributing the load of the nut or bolt head evenly across a wider area to prevent damage to the surface material. The inclusion of molybdenum in the SS 316 marine grade stainless steel gives these washers exceptional resistance to pitting and crevice corrosion in harsh, aggressive, or saline environments. They are available in types such as Flat Washers (for load spreading) and Lock Washers (to prevent loosening due to vibration). Zeron Fasteners specializes in manufacturing and supplying a comprehensive range of high-quality SS 316 Washers, ensuring maximum joint reliability and longevity in chemical plants, marine applications, and outdoor infrastructure projects.

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SS 316 Washers Manufacturer in India

SS 316 Washers Chemical Composition

Element Composition (Max %)
Carbon (C) 0.08
Manganese (Mn) 2.00
Phosphorus (P) 0.045
Sulphur (S) 0.030
Silicon (Si) 1.00
Chromium (Cr) 16.0 to 18.0
Nickel (Ni) 10.0 to 14.0
Molybdenum (Mo) 2.00 to 3.00

SS 316 Washers Mechanical Properties

Property Minimum Requirements (Per DIN 125/127 Equivalent)
Hardness (Vickers) Typically 160 HV to 200 HV
Material Grade A4 (316 Grade)
Corrosion Rating Excellent in Chloride Environments
Standard (Flat) DIN 125 / ASME B18.22.1
Standard (Spring) DIN 127 / ASME B18.21.1

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