Stainless Steel
Washers Manufacturer
At Steel Icon Stainless Pvt. Ltd., we are a trusted manufacturer and supplier of premium-grade stainless steel washers, designed to enhance load distribution, reduce wear, and prevent fastener loosening in high-vibration, high-pressure, and corrosive environments.
Our washers are manufactured using high-quality stainless steel as per ASTM, DIN, ISO, and ASME standards, and are available in various sizes, thicknesses, and profiles to suit applications across engineering, construction, marine, automotive, and energy sectors.
What are Stainless Steel Washers?
Stainless steel washers are flat or shaped discs used in conjunction with bolts, screws, and nuts to distribute the load, reduce surface wear, and prevent loosening of fasteners. They act as essential supporting elements in structural and mechanical assemblies, particularly where vibration, pressure, or environmental exposure may affect fastener integrity.
| Products |
|---|
|
Stainless Steel Bar |
|
Fasteners |
|
Forged Products |
|
Flanges |
|
Forged Fittings |
|
Stainless Steel Billets |
|
Round Corner Square Billets |
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Stainless Steel Pipes |
|
Pipe Fittings |
|
Valve |
Stainless Steel Screws Specifications
| Property | Specification |
|---|---|
|
Material Grades |
SS 304, SS 316, SS 321, SS 410, SS 430, Duplex 2205
|
|
Washers Types |
Flat, Spring, Fender, Belleville, Lock, Tab, Sealing |
|
Size Range |
M3 to M100 (or 1/8″ to 4″) |
|
Outer Diameter |
As per DIN 125, DIN 127, DIN 9021, DIN 6796 |
|
Thickness Range |
0.5 mm – 6 mm |
|
Finish Options |
Natural, Polished, Passivated, Zinc Coated, Black Oxide |
Stainless Steel Washers Equivalent Grades
| Grade | UNS | EN / WNR |
|---|---|---|
|
SS 304 |
S30400 |
1.4301 / X5CrNi18-10 |
|
SS 316 |
S31600 |
1.4401 / X5CrNiMo17-12-2 |
|
SS 321 |
S32100 |
1.4541 / X6CrNiTi18-10 |
|
SS 410 |
S41000 |
1.4006 / X12Cr13 |
|
SS 430 |
S43000 |
1.4016 / X6Cr17 |
Chemical Composition (Typical – SS 304 / SS 316)
| Element | SS 304 (%) | SS 316 (%) |
|---|---|---|
|
Carbon (C) |
0.08 max |
0.08 max |
|
Manganese (Mn) |
2.00 max |
2.00 max |
|
Silicon (Si) |
1.00 max |
1.00 max |
|
Chromium (Cr) |
18.0 – 20.0 |
16.0 – 18.0 |
|
Nickel (Ni) |
8.0 – 10.5 |
10.0 – 14.0 |
|
Molybdenum (Mo) |
— |
2.00 – 3.00 |
Mechanical Properties
| Property | SS 304 / SS 316 |
|---|---|
|
Tensile Strength (MPa) |
515 – 750 MPa
|
|
Yield Strength (MPa) |
205 – 310 MPa |
|
Elongation (%) |
≥ 40% |
|
Hardness (HRB) |
≤ 95 |
|
Operating Temp. |
-200°C to 870°C |
Applications of Stainless Steel Washers
Construction &
Infrastructure
Marine &
Offshore
Automotive &
Transportation
Manufacturing &
Heavy Equipment
Chemical &
Pharmaceutical Plants
Oil & Gas
Food & Beverage
Industry
Explore Our Other Types of Fasteners
We offer a wide range of stainless steel fasteners to meet diverse industrial needs:
- Bolts – Hex bolts, carriage bolts, U-bolts, and anchor bolts for structural and mechanical applications.
- Nuts – Hex nuts, lock nuts, and flange nuts for secure fastening solutions.
- Screws – Machine screws, self-tapping screws, and socket head screws for automotive and electrical applications.
- Washers – Flat washers, spring washers, and fender washers to distribute load and prevent loosening.
- Studs & Threaded Rods – Double-end studs, fully threaded rods for industrial equipment and infrastructure projects.
Frequently Asked Questions
Explore our FAQs for insights on materials, customization, and delivery.
What is the primary role of a flat washer?
Flat washers distribute the load of a fastener over a larger surface to prevent damage and ensure even clamping.
Do spring washers eliminate the need for thread-locking adhesive?
In many cases, yes. Spring and lock washers help prevent loosening under vibration without chemical thread lockers.
Can I get washers in special sizes or profiles?
Absolutely! We manufacture custom washers based on your drawings, dimensions, and material specifications.
Which grade of stainless steel is best for coastal or marine use?
SS 316 is the best choice due to its molybdenum-enhanced corrosion resistance in saltwater environments.
GET IN TOUCH
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