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Rinku Fasteners, located in Kolkata, India, stands out as a top manufacturer and supplier of high-quality Stainless Steel 347 Fasteners, tailored for industries that operate in tough conditions. Renowned for their precision engineering and commitment to international quality standards, the company provides fastening solutions that boast exceptional strength, corrosion resistance, and impressive durability. Their SS 347 Fasteners are crafted using cutting-edge technology and undergo rigorous quality checks to ensure they perform reliably in high-temperature and corrosive settings. Rinku Fasteners proudly caters to sectors like petrochemicals, refineries, chemical processing, and power generation, offering dependable and high-performance stainless steel fastening products.
Stainless Steel 347 Fasteners are crafted from a niobium-stabilized austenitic stainless steel alloy that includes chromium and nickel, enhancing their resistance to intergranular corrosion and oxidation. This stabilized structure effectively prevents carbide precipitation during welding and exposure to high temperatures. SS 347 is known for its excellent thermal stability, good tensile strength, and strong creep resistance, making these fasteners perfect for heat-intensive applications. Their mechanical properties feature high tensile strength, good ductility, and the ability to maintain structural integrity under prolonged thermal stress. Overall, SS 347 Fasteners deliver consistent, reliable performance in corrosive and high-temperature environments.
| Fasteners Material Specification | ASTM A194, ASME SA193, UNS S31609 Bolts |
|---|---|
| Standard | DIN, UNI, ISO, JIS, GB, IS, BS, ASME, ANSI, ASTM and all International Standards |
| Fasteners/ Bolts Size | M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, M30, M36 to M160 |
| Length | 3 mm to 200 mm |
| Bolts, Studs Threads: | METRIC, BSW, BSF, UNC, UNF or as required |
| SS 316h Fasteners Standard: | ANSI – American National Standards Institute
|
| Source of raw materials | Tata Steel, JSPL, RINL, Usha Martin, Dhamm Steel, Mukund Steel etc. |
| SCOPE OF MANUFACTURE |
|
| Fasteners In Form of: | Hex, Square, Round, Threading as per Gauge Etc. |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe, etc |
| bolting Test Certificate: | Manufacturer Test Certificate as per EN 10204 / 3.1 |
| Fasteners finishing: | Zinc (yellow, white, blue, black), black oxide, Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Stainless steel: Passivated Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Stainless Steel, Mechanically Applied coating and some special one like DACROMET |
| Production process | M2-M24: Cold Froging, hot forging M24-M100, machining and CNC for Customized connecting element |
| bolting materials Surface Coating: |
|
| Popular Types of SS 316h Bolts | Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Counter sunk Bolts etc. |
| Popular Types of SS 316h Nut | Hex Head Nut, Eye Nut, Dome Nut, Wing Nut, T Nut, Panel Nut, Lock Nut, Coupling Nut, Square Nut, Acorn Nut etc. |
| Popular Types of SS 316h Screw | Hex Head Cap Screws, Socket Set Screws, Anchor Screws, Blind Rivet, Socket Head Screws, Concrete Screws, Shoulder Screws, Panel Screws, Threaded Screws, Machine Screws etc. |
| Popular Types of SS 316h Washer | Machine Washers, Flat Washer, Star Washers, Sealing Washer, Lock Washer, Split Washer etc. |
| Our stockyad location for fast delivery in India | Noida, Bengaluru, Pimpri-Chinchwad, Thiruvananthapuram, Tirunelveli, Vasai, Dhanbad, Chennai, Agra, Nagpur, Hyderabad, Kolkata, Coimbatore, Pune, Jaipur, Tiruchirappalli, Shivamogga, Ahmedabad, surat, Bhubaneswar, Thane, Nashik |
| Fasteners Packing: | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
|
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
|
|
316H |
Min |
0.04 |
0.04 |
0 |
– |
– |
16.0 |
2.00 |
10.0 |
– |
|
max |
0.10 |
0.10 |
0.75 |
0.045 |
0.03 |
18.0 |
3.00 |
14.0 |
– |
|
Grade |
Tensile Str
(MPa) min |
Yield Str
0.2% Proof
(MPa) min |
Elong
(% in 50mm) min |
Hardness |
|
|
Rockwell B (HR B) max |
Brinell (HB) max |
||||
|
316H |
515 |
205 |
40 |
95 |
217 |
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 347 Fasteners find extensive use in industries that demand reliable, corrosion-resistant, and heat-stable fastening solutions. They are commonly utilized in heat exchangers, boilers, furnace components, and thermal processing equipment. Petrochemical and refinery plants depend on these fasteners for piping systems, reactors, and pressure vessels that are subjected to high temperatures and corrosive chemicals. Power generation facilities also rely on SS 347 Fasteners for their durability and performance in challenging environments, ensuring that critical systems operate smoothly and efficiently.
We ensure that our Stainless Steel 347 fasteners are installed with the utmost care to preserve their quality and performance at Rinku Fasteners. Our durable packaging solutions protect fasteners from damage using durable materials and safe processes. Each package is labelled with detailed ingredient information for easy identification and inventory management. Whether for small or large orders, our careful packaging process assures that your stainless steel 347 fasteners arrive in perfect condition, ready for immediate application in a strong.
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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