SS 904L Washers

SS 904L Washers are high-performance fasteners designed to provide secure load distribution and protect assemblies exposed to aggressive and corrosive environments. Made from a low-carbon, high-alloy austenitic stainless steel, these washers offer exceptional resistance to pitting, crevice corrosion, and acidic surroundings. Zeron Fasteners manufactures and supplies premium SS 904L Flat Washers, Spring Washers, and Plain Washers widely used in chemical processing, marine applications, petrochemical equipment, heat exchangers, and desalination plants. These stainless steel 904L washers ensure long-term durability, high strength, and reliable fastening performance across challenging environments.

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SS 904L Washers Chemical Composition

Element Composition (%)
Carbon (C) 0.02 max
Manganese (Mn) 2 max
Silicon (Si) 1 max
Phosphorus (P) 0.045 max
Sulfur (S) 0.035 max
Chromium (Cr) 19 - 23
Nickel (Ni) 23 - 28
Molybdenum (Mo) 4 - 5
Copper (Cu) 1 - 2

SS 904L Washers Mechanical Properties

Mechanical Property Value
Tensile Strength 490 MPa min
Yield Strength 220 MPa min
Elongation 35% min
Hardness 90 HRB max

SS 904L Washers Feature Products