DotsFasteners is a trusted and leading Fastener's Manufacturer in India, renowned for delivering premium-quality fasteners that adhere to international and domestic industry standards. We offer a comprehensive range in multiple sizes, materials, and grades to cater to the varying requirements of industrial, construction, and infrastructure sectors.
🔩 Stainless Steel 304 / 304L / 304H Fasteners Manufacturer in India
DotsFasteners is a leading manufacturer, stockist, and exporter of Stainless Steel 304, 304L, and 304H Fasteners in India. Our SS Fasteners are globally recognized for their strength, corrosion resistance, and long-lasting performance across various industries such as petrochemical, nuclear energy, aerospace, oil & gas, and food processing.
✅ Product Range
We manufacture and supply a complete range of SS 304 / 304L / 304H Fasteners, including:
- Bolts (Hex, Carriage, Anchor, U-Bolt)
- Nuts (Hex, Lock, Dome, Coupling)
- Screws (Socket Head, Machine, Self-tapping)
- Washers (Flat, Spring, Tooth, Sealing)
- Stud Bolts
- Threaded Rods
- Custom Fasteners (as per drawing/specification)
⚙ Specifications – SS 304/304L/304H Fasteners
| Property | Details |
|---|---|
| Grades | Stainless Steel 304, 304L, 304H |
| Standards | ASTM A193 / ASME SA193, DIN, ISO, BS, ANSI & all international standards |
| Sizes | M3 to M56 |
| Length | 3 mm to 200 mm |
| Forms | Bolts, Nuts, Washers, Studs, Screws, Threaded Rods, Anchor Fasteners |
| Thread Types | Metric, UNF, UNC, BSW, BSF |
| Finish | Self-Color, Electro Zinc, Black Oxide, HDG, Passivated, PTFE Coated, etc. |
🧪 Mechanical Properties – SS 304/304L/304H
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (% in 50 mm) | Hardness (HRB max) |
|---|---|---|---|---|
| 304 | 515 | 205 | 40 | 92 |
| 304L | 485 | 170 | 40 | 92 |
| 304H | 515 | 205 | 40 | 92 |
Note: SS 304H requires a grain size of ASTM No. 7 or coarser.
🔬 Chemical Composition – SS 304 / 304L / 304H
| Grade | C (%) | Mn (%) | Si (%) | P (%) | S (%) | Cr (%) | Ni (%) | N (%) |
|---|---|---|---|---|---|---|---|---|
| 304 | 0.08 max | 2.0 max | 0.75 max | 0.045 max | 0.030 max | 18.0–20.0 | 8.0–10.5 | 0.10 max |
| 304L | 0.030 max | 2.0 max | 0.75 max | 0.045 max | 0.030 max | 18.0–20.0 | 8.0–12.0 | 0.10 max |
| 304H | 0.04–0.10 | 2.0 max | 0.75 max | 0.045 max | 0.030 max | 18.0–20.0 | 8.0–10.5 | – |
🌍 Industrial Applications
- Heat Exchangers
- Radiant Tubes
- Petrochemical Refineries
- Steam Boilers & Piping
- Chemical Industry
- Aerospace Components
- Nuclear Sector
- Food Processing Equipment
📦 Packaging & Delivery
| Packing Type | Cartons, Wooden Pallets, Custom Small Boxes, Bulk Packing |
|---|---|
| Ports of Dispatch | Mumbai / Kalamboli (Maharashtra) |
| Payment Modes | LC, TT, Cheque, PayPal, Western Union, Trade Assurance |
| GST (Domestic) | 18% |
🌐 Equivalent Grades – 304 / 304L / 304H
| AISI/ASTM | JIS | EN/DIN Symbolic | EN/DIN Numeric | UNS |
|---|---|---|---|---|
| 304 | SUS304 | X4CrNi18-10 | 1.4301 | S30400 |
| 304L | SUS304L | X2CrNi18-9 | 1.4307 | S30403 |
| 304H | SUS304H | X2CrNiN18-10 | 1.4948 | S30409 |
📍 Supplier Locations in India
Mumbai | Delhi | Chennai | Pune | Hyderabad | Bengaluru | Kolkata | Ahmedabad | Surat | Coimbatore | Vadodara | Ludhiana | Rajkot | Jamshedpur | Nashik | and more…
🌎 Export Destinations
USA | UK | Germany | UAE | Saudi Arabia | Qatar | Oman | Netherlands | Canada | Australia | Nigeria | Mexico | South Africa | France | Malaysia | Poland | China | Sri Lanka | Brazil | Singapore | Kuwait | Italy | and over 50+ countries worldwide