Stainless Steel
Nuts Manufacturer
At Steel Icon Stainless Pvt. Ltd., we are a trusted manufacturer and supplier of premium stainless steel nuts, engineered for secure and reliable fastening in demanding environments. Our nuts are available in a wide range of types, sizes, thread standards, and grades, providing vibration-resistant and corrosion-proof performance for structural, mechanical, and industrial applications.
All our nuts are manufactured in strict adherence to ASTM, DIN, ISO, BS, and ASME standards, ensuring consistent quality and reliability. They cater to diverse industries including construction, automotive, marine, oil & gas, and heavy engineering, delivering optimal performance in every application.
What are Stainless Steel Nuts?
Stainless Steel Nuts are internally threaded fasteners designed to be used in conjunction with bolts, studs, and screws to securely clamp components together. These nuts are essential for ensuring joint integrity under stress, vibration, and thermal expansion, particularly in environments subject to corrosion or high loads. Their corrosion resistance and durability make them ideal for demanding applications across various industries.
| Products |
|---|
|
Stainless Steel Bar |
|
Fasteners |
|
Forged Products |
|
Flanges |
|
Forged Fittings |
|
Stainless Steel Billets |
|
Round Corner Square Billets |
|
Stainless Steel Pipes |
|
Pipe Fittings |
|
Valve |
Stainless Steel Nuts Specifications
| Property | Specification |
|---|---|
|
Material Grades |
SS 304, SS 316, SS 321, SS 410, SS 430, Duplex 2205
|
|
Nut Types |
Hex Nuts, Lock Nuts, Flange Nuts, Wing Nuts, Dome Nuts |
|
Thread Types |
Metric, UNC, UNF, BSW, BSF |
|
Sizes Available |
M3 to M100 (or 1/8″ to 4″) |
|
Standards |
ASTM A194, DIN 934, ISO 4032, ASME B18.2.2 |
|
Finish Options |
Self-finish, Electro Polished, Zinc Plated, PTFE Coated |
Stainless Steel Nuts 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) |
500 – 750 MPa
|
|
Yield Strength (MPa) |
205 – 310 MPa |
|
Elongation (%) |
≥ 40% |
|
Hardness (HRB) |
≤ 95 |
|
Operating Temp. |
-200°C to 870°C |
Applications of Stainless Steel Nuts
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 comprehensive range of stainless steel fasteners designed to meet the diverse needs of various industries:
Bolts – Including hex bolts, carriage bolts, U-bolts, and anchor bolts, perfect for structural and mechanical applications that require secure and durable fastening.
Nuts – Featuring hex nuts, lock nuts, and flange nuts, providing reliable fastening solutions that ensure tight connections and prevent loosening.
Screws – Available in machine screws, self-tapping screws, and socket head screws, ideal for automotive, electrical, and other precision applications.
Washers – Including flat washers, spring washers, and fender washers, designed to distribute load evenly, prevent loosening, and protect surfaces.
Studs & Threaded Rods – Offering double-end studs and fully threaded rods, perfect for use in industrial equipment and large-scale infrastructure projects.
Frequently Asked Questions
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