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Puri Fasteners, based in Chennai, is a trusted manufacturer and supplier of high-quality stainless steel fasteners, including Stainless Steel 304H Nuts. Known for their precision and durability, these nuts are crafted to meet stringent industry standards, ensuring reliability in demanding applications. Puri Fasteners combines advanced manufacturing techniques with stringent quality checks to deliver products that stand the test of time. Serving a diverse range of industries, they are committed to providing fasteners that not only perform exceptionally but also offer long-lasting resistance to corrosion, heat, and wear.
Stainless Steel 304H nuts are made primarily of iron, with significant amounts of chromium and nickel, giving them excellent corrosion resistance and strength at elevated temperatures. The “H” grade has higher carbon content, which improves tensile strength without compromising durability. These nuts exhibit impressive hardness and toughness, making them resistant to deformation under heavy loads. Their mechanical properties include high yield strength, tensile strength, and excellent fatigue resistance, ensuring secure fastening in critical applications where reliability and structural integrity are essential.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304H | min. | 0.04 | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.10 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | – | 10.5 | – | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 304H | 515 | 205 | 40 | 92 | 201 |
| Specifications | DIN, ISO ,JIS ,GB, IS, BS, ASTM |
| Standard | ASTM A193 / A194, ASME SA193 / SA194 |
| Size | M2 – M100 |
| Length | 3 mm to 200 mm | Custom Sizes |
| Dimensions Standard | DIN: DIN931, 933, 934, 7991, 976, 125 ISO: ISO 4033, 4032 ASME B18.5, B18.3 |
| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Threads available | UNF, BSW, BSF, METRIC, UNC, or as required |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Test Certificate | As per EN 10204 / 3.1 Manufacturer Test Certificate, PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless Steel 304H nuts are widely used in industries where heat resistance and corrosion protection are crucial. They are ideal for chemical processing, petrochemical plants, power generation, and marine applications. These nuts are perfect for bolting pipes, machinery, and equipment exposed to high temperatures or harsh environmental conditions. Their durability and strength make them suitable for construction, automotive, and heavy engineering projects. Wherever a secure, long-lasting fastening solution is needed, 304H nuts provide reliability, ensuring that assemblies remain safe and functional over extended periods, even under challenging conditions.
We ensure that we have complete documentation for our Stainless Steel 304H nuts. Commercial invoices, packaging documents, heat treatment charts, quality control charts, and NABL-approved reports on laboratory testing are included. Our commitment to quality extends to issuing various test certificates and our 304H products, such as MTC according to EN 10204/3.1b, PMI test certificate, and 100% radiography test report. To further strengthen customer satisfaction, we offer third-party inspection certificates, which prove our fruit’s quality and reliability for various applications and durability.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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