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Punit Fasteners, located in Delhi, India, has built a solid reputation as a reliable manufacturer and supplier of top-notch stainless steel fasteners, including the highly regarded Stainless Steel 347 fasteners. Renowned for their precision and durability, these fasteners meet international standards and are crafted to endure the toughest industrial conditions. Specifically designed to resist intergranular corrosion and perform well at high temperatures, Stainless Steel 347 fasteners are a go-to choice for various industries. Punit Fasteners caters to critical sectors like aerospace, petrochemical, power generation, and chemical processing, ensuring prompt delivery and consistent quality, which makes them a favorite among clients both in India and around the world.
Stainless Steel 347 is an austenitic stainless steel alloy that contains 17–19% chromium, 9–13% nickel, and a touch of niobium (0.5–1.0%) for stabilization. This unique blend helps prevent carbide precipitation, boosting its resistance to intergranular corrosion during welding. In terms of mechanical properties, it boasts a tensile strength of about 515 MPa, a yield strength of 205 MPa, and an elongation of around 40%. The hardness typically falls between 90–95 HRB. These features make Stainless Steel 347 fasteners not only strong and corrosion-resistant but also perfect for high-temperature and welded applications.
| 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.
You’ll find Stainless Steel 347 fasteners in a variety of settings that demand exceptional resistance to high temperatures and corrosive environments. They’re commonly used in aerospace components, petrochemical facilities, and power generation equipment. These fasteners excel in welded assemblies, boilers, heat exchangers, and chemical processing units, where resistance to intergranular corrosion is crucial. They also find their place in automotive exhaust systems, furnace parts, and marine applications that face moderate corrosion exposure. With their durability and stability in challenging conditions, Stainless Steel 347 fasteners are indispensable for industries that require long-lasting and dependable fastening solutions.
We ensure that our Stainless Steel 347 fasteners are installed with the utmost care to preserve their quality and performance at Punit 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.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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