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Rinku Fasteners, based in Kolkata, India, is a reliable manufacturer and supplier known for its top-notch Stainless Steel 304L Stud Bolts. With a keen emphasis on precision engineering and durability, the company provides fastening solutions that excel in tough industrial settings. Their 304L stud bolts are produced using cutting-edge techniques and rigorous quality control to guarantee outstanding performance, corrosion resistance, and dependability. Catering to various sectors like chemical, petrochemical, construction, and marine industries, Rinku Fasteners has earned a strong reputation for delivering products that comply with both national and international standards, all while ensuring excellent customer service and prompt delivery.
Stainless Steel 304L Stud Bolts are crafted from a low-carbon variant of 304 stainless steel, primarily composed of chromium (18–20%) and nickel (8–12%), with a minimal carbon content (≤0.03%) to boost corrosion resistance and weldability. They showcase impressive mechanical strength, typically achieving a tensile strength of around 485 MPa and a yield strength close to 170 MPa. This material offers good hardness, toughness, and resistance to oxidation, even in moderately high-temperature settings. These characteristics make 304L stud bolts a dependable choice for structural integrity, secure fastening, and long-lasting performance in corrosive or chemically exposed environments.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 304L | 0.035 max | 2 max | 1.0 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 13 | – |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 550 | Psi – 30000 , MPa – 205 | 35 % |
| Specification | ASTM A 193/ASME SA 193 |
| Standard | all International Standards and ASTM, DIN, BS |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Length | 3 mm to 200 mm | Custom Sizes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, 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 |
| Raw materials Source | JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc. |
| Packing | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
| Surface Coating | Cadmium Coating Hot Dipped Galvanizing Coating Ptfe Coated Phosphate Coating Teflon Coating Xylon Coating Zinc Coating |
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 304L Stud Bolts find extensive use across various industries thanks to their remarkable corrosion resistance, strength, and durability. They are frequently utilized in chemical processing plants, oil and gas facilities, and the food and beverage sector, where hygienic, corrosion-resistant fasteners are crucial. In marine settings, these bolts deliver reliable performance against moisture and salt exposure. Additionally, they are employed in power generation, pharmaceuticals, water treatment systems, and general construction.
Our comprehensive testing for stainless steel 304L stud bolts includes hardness testing, chemical analysis by Spectro analysis, positive material identification (PMI) testing, levelling testing, micro-macro testing, pitting resistance testing, fire testing, and intergranular corrosion testing. We provide the necessary documentation, such as commercial invoices, packaging documents, certificates of origin and guarantees. Our commitment to transparency and traceability ensures that every stud bolt meets rigorous industry standards, providing our customers with confidence and quality.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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