Stainless Steel
Nuts Manufacturer
At Steel Icon Stainless Pvt. Ltd., we are a leading manufacturer and supplier of high-quality stainless steel nuts designed for reliable fastening in critical environments. Available in a wide range of types, thread standards, sizes, and grades, our nuts ensure secure, vibration-resistant, and corrosion-proof fastening for structural, mechanical, and industrial applications.
We manufacture nuts in compliance with ASTM, DIN, ISO, BS, and ASME standards, serving sectors like construction, automotive, marine, oil & gas, and heavy engineering.
What are Stainless Steel Nuts?
Stainless steel nuts are internally threaded fasteners used in combination with bolts, studs, and screws to clamp components together securely. They play a critical role in maintaining joint integrity under stress, vibration, and thermal expansion, especially in corrosive or high-load environments.
| 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 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 most common type of stainless steel nut?
Hex nuts are the most commonly used type, suitable for both light-duty and high-load applications.
Can you provide matching nuts and bolts as a complete assembly?
Yes, we supply complete fastener assemblies, including nuts, bolts, and washers, as per project requirements.
Which grade is better for marine or chemical exposure?
SS 316 is preferred for its superior chloride and chemical corrosion resistance, especially in marine applications.
Do you manufacture non-standard or custom nuts?
Absolutely! We offer custom sizes, threading, finishes, and locking features for special applications.
GET IN TOUCH
Our factory’s complete control ensures top-notch quality, prices, and service, reflecting our pride in what we do.
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