Stainless Steel 347 / 347H Fasteners Manufacturer in Mumbai, India
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Largest Stainless Steel 347 / 347H Fasteners Manufacturer & Supplier in Mumbai, India
Jai Hind Metal is a reliable manufacturer and supplier of Stainless Steel 347 / 347H Fasteners, providing high-quality stainless steel fastening solutions for applications where corrosion resistance, elevated-temperature performance, mechanical strength, and dependable service are important. We understand that different projects may require specific fastener details such as diameter, length, thread configuration, pitch, head style, dimensional tolerances, surface finish, grade, and applicable manufacturing standards. Our Stainless Steel 347 / 347H Fasteners are supplied according to customer specifications, with careful attention to material quality, dimensional accuracy, thread precision, surface condition, and workmanship throughout the manufacturing process. Quality checks are carried out at various stages to maintain consistency, while finished fasteners can be inspected for dimensions, thread condition, head configuration, surface appearance, markings, and overall product quality before dispatch. Third-party inspection can also be arranged when required for project-specific verification or independent quality assessment. With organized inventory and suitable storage facilities, we can support both regular requirements and larger quantities for industrial, fabrication, maintenance, and project-based orders.
Careful handling and protective packaging are an important part of our supply process. Stainless Steel 347 / 347H Fasteners are properly sorted and packed using suitable protective materials to help reduce the possibility of scratches, moisture exposure, contamination, size mixing, and handling damage during storage and transportation. Where required, we can arrange customized packaging, product identification, marking, labeling, batch identification, size-wise segregation, counting, bundling, and additional protection according to customer instructions or project specifications. Our dispatch team works with established logistics providers to coordinate shipments efficiently and help ensure that orders are prepared and transported according to the agreed delivery schedule. By combining controlled manufacturing, systematic quality inspection, secure packaging, organized inventory management, accurate order preparation, and responsive customer coordination, Jai Hind Metal aims to provide a dependable supply experience to customers across chemical processing, oil and gas, petrochemical, power generation, aerospace, heat-treatment equipment, pharmaceutical, marine and offshore, industrial machinery
Precision Engineering
Precisely manufactured metal products meeting demanding industrial standards.
Quality Assured
Consistent quality, reliable performance, and strict inspection at every stage.
Custom Dimensions
Available in customized sizes, grades, thicknesses, and specifications.
Reliable Supply
Efficient processing, secure packaging, and dependable delivery worldwide.
Stainless Steel 347 / 347H Fasteners are manufactured from austenitic stainless steel containing chromium and nickel as the principal alloying elements, with niobium added as a stabilizing element, along with controlled quantities of carbon, manganese, silicon, phosphorus, sulfur, nitrogen, and other constituents. This balanced composition provides a combination of corrosion resistance, mechanical strength, toughness, thermal stability, and reliable performance during suitable elevated-temperature service. Chromium supports the formation of a protective passive layer that helps resist general corrosion and oxidation, while nickel contributes to the stable austenitic structure, toughness, and resistance to corrosive environments. Niobium stabilization helps reduce the risk of chromium carbide precipitation during suitable high-temperature exposure, allowing the material to maintain useful corrosion resistance after thermal cycling. The 347H grade contains a higher carbon level than standard 347 and is intended for applications where improved high-temperature strength is required. Stainless Steel 347 / 347H Fasteners can be supplied in different diameters, lengths, thread configurations, head styles, dimensional tolerances, and surface finishes to meet specific fastening and engineering requirements. With their combination of corrosion resistance, oxidation resistance, mechanical strength, toughness, thermal stability, high-temperature performance, and durability, Stainless Steel 347 / 347H Fasteners are widely used in aerospace, chemical processing, petrochemical, oil and gas, power generation, heat-treatment equipment, thermal processing systems, pharmaceutical facilities, industrial machinery, and other demanding high-temperature applications.
Stainless Steel 347 Fasteners, SS 347H Screws, 347H Stainless Steel Fasteners, SS 347H Industrial Fasteners, Stainless Steel 347H Bolts, 347 SS Nuts, 1.4550, 1.4961 Fasteners, Stainless Steel Fasteners, Stainless Steel 347H Stud Bolts, UNS S34700 Fasteners, UNS S34709 Fasteners, X6CrNiNb18-12 Stainless Steel Fasteners, Stainless Steel 347 Fasteners Manufacturer in Mumbai, India.
In the annealed condition, Stainless Steel 347 / 347H Fasteners provide a dependable combination of corrosion resistance, mechanical strength, toughness, thermal stability, and resistance to oxidation, making them suitable for demanding fastening applications in industrial and engineering environments. They are particularly useful in assemblies exposed to elevated temperatures, thermal cycling, hot gases, moisture, corrosive process conditions, and industrial atmospheres where consistent fastening performance is required. Chromium helps the fastener surface resist general corrosion and oxidation, while nickel contributes to the stable austenitic structure and supports toughness and corrosion resistance. The niobium-stabilized structure of Grade 347 helps reduce the tendency toward chromium carbide precipitation during suitable high-temperature exposure, supporting corrosion resistance after thermal cycling. The higher carbon content of 347H provides improved strength for suitable elevated-temperature applications. Stainless Steel 347 / 347H Fasteners are commonly used in chemical processing equipment, petrochemical plants, oil and gas facilities, power generation systems, aerospace equipment, heat-treatment units, thermal processing equipment, industrial furnaces, pharmaceutical plants, and specialized engineering machinery. Depending on their design and application, they can be supplied as bolts, nuts, screws, washers, studs, threaded rods, anchor fasteners, and other specialized fastening components. With their combination of corrosion resistance, oxidation resistance, mechanical strength, toughness, thermal stability, high-temperature performance, and durability, Stainless Steel 347 / 347H Fasteners are well suited for assemblies where secure connections and reliable service under demanding thermal conditions are important.
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Largest Stockholder of Stainless Steel 347 Fasteners in India, Competitive Price of Stainless Steel 347H Full Threaded Bolts, Ready Stock of X6CrNiNb18-10 Stainless Steel Washers, 347 Stainless Steel Studs Trader, SS 347H Screws, 347 SS Anchor Bolts, ASTM F593 347 Fasteners Manufacturers in Mumbai, India.
Composition of Stainless Steel 347 / 347H Fasteners
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Stainless Steel 347 / 347H Fasteners Specification
| 347 / 347H Fasteners Specifications | ASTM F593, F594, F1554 / ASME SF593, F594, F1554 |
|---|---|
| 347 / 347H SS Fasteners size | Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14 |
| SS 347 / 347H Fasteners Length | 3 mm to 200 mm |
| SS 347 / 347H Studs, Bolts, Threads | UNF, BSW, BSF, METRIC, UNC, or as required |
| Standard of Stainless Steel 347 / 347H Fasteners | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard SS 347 Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 SS 347 Hex nuts |
| Form of SS 347 / 347H Fasteners | Hex, Threading, Square, Round as per Gauge Etc. |
| Raw materials Source | JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc. |
| 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 |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Test Certificate of SS 347 / 347H Bolting | as per EN 10204 / 3.1 Manufacturer Test Certificate |
| Additional Certifications | PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Production process | M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC |
| Head drive of SS 347 / 347H Bolts | Six-Lobe,Phillips,Phillips/Slot, Slotted etc |
| Packing of SS 347 / 347H Fasteners | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
| Surface Coating | Ptfe Coated Stainless Steel 347 Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Stainless Steel 347 / 347H Fasteners finishing | Stainless steel : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Stainless Steel, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide, |
Stainless Steel 347 / 347H Fasteners can be supplied in either bolting construction and are covered by specification ASTM F593/ F594 and ASME B18.5.
| ASTM A193 | ASTM A194 | ASTM F2281 |
| ASTM A193M | ASTM A194M | ASTM A962 |
| ASTM A320 | ASTM F593-13a | ASTM A962M |
| ASTM A320M | ASTM F594-15 | |
| DIN 580 | DIN 6914 | DIN 6921 |
| DIN 582 | DIN 3570 | DIN 603 |
| DIN 444 | DIN 7990 | DIN 2510 |
| DIN 939 | DIN 1B | DIN 976 |
| DIN 933 | DIN 529 | DIN 912 |
ASTM A193 / A194 Stainless Steel 347 / 347H Fasteners Forms & Availability
| roducts | Size | |
| ASTM A193 / A194 347 / 347H SS Stud Bolt | ASTM A193 / A194 347 / 347H SS Bolts | Sizes M3 – M56 | 3/6″ to 2″ |
| ASTM A193 / A194 347 / 347H SS Punched Washer | ASTM A193 / A194 347 / 347H Stainless Steel Pan Head Screw | |
| ASTM A193 / A194 347 / 347H Stainless Square Nut | ASTM A193 / A194 347 / 347H SS Insert Nuts | |
| ASTM A193 / A194 347 / 347H SS Welding Studs | ASTM A193 / A194 347 / 347H SS Pan Head Screw | |
| ASTM A193 / A194 347 / 347H Stainless Cap Screw | ASTM A193 / A194 347 / 347H Stainless Foundation Bolts | |
| ASTM A193 / A194 347 / 347H SS Threaded Rod | ASTM A193 / A194 347 / 347H Stainless Hex Head Bolts | |
| ASTM A193 / A194 347 / 347H Stainless Nuts | ASTM A193 / A194 347 / 347H Stainless Washers | |
| ASTM A193 / A194 347 / 347H SS Fender Washer | ASTM A193 / A194 347 / 347H SS Lock Nut | |
| ASTM A193 / A194 347 / 347H SS Countersunk Slotted Screw | ASTM A193 / A194 347 / 347H SS Double Ended Stud | |
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Equivalent Grades Stainless Steel 347 / 347H Fasteners
| STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN |
| SS 347 | 1.4550 | S34700 | SUS 347 | 08Ch18N12B | X6CrNiNb18-10 |
| SS 347H | 1.4961 | S34709 | SUS 347H | – | X6CrNiNb18-12 |
Chemical Composition of Stainless Steel 347 / 347H High Tensile Fasteners
| Grade | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
| SS 347 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 20.00 | 10xC – 1.10 | 9.00 – 13.00 | 62.74 min |
| SS 347H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 8xC – 1.10 | 9.0 -13.0 | 63.72 min |
Mechanical Properties of Stainless Steel A193 / A194 347 / 347H Fasteners
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Stainless Steel 347 / 347H Fasteners can be supplied in either Pipe or Plate construction and are covered by specification ASTM A182 and ASME B16.5.
Stainless Steel 347 / 347H Fasteners are available in a wide range of sizes, thread profiles, configurations, and customized forms, depending on the fastening application, assembly requirements, operating conditions, and customer specifications. Common product forms include hex bolts, heavy hex bolts, nuts, screws, studs, threaded rods, washers, and other specially manufactured fasteners. These products are manufactured in accordance with recognized material and dimensional standards to maintain consistent chemical composition, mechanical properties, thread accuracy, and overall product quality. Depending on the grade and application, Stainless Steel 347 / 347H Fasteners can be supplied to applicable ASTM and ASME specifications, with appropriate manufacturing and heat-treatment practices used to achieve the required mechanical and high-temperature performance. Fasteners can be produced in different diameters, lengths, thread pitches, dimensions, tolerances, and surface finishes to accommodate standard as well as precision-engineered assemblies. Throughout manufacturing and inspection, attention is given to material traceability, dimensional accuracy, thread quality, surface condition, and conformity with specified requirements, helping ensure reliable performance in equipment exposed to elevated temperatures, corrosive environments, thermal cycling, and mechanical loads.
Stainless Steel 347 / 347H Fasteners Production Range
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We offer These Stainless Steel 347 / 347H Fasteners as per DIN, ISO, JIS or ANSI Standard.
We supply Stainless Steel 347 / 347H Fasteners in accordance with internationally recognized standards such as ASTM, ASME, DIN, EN, JIS, and ISO, making them suitable for a wide range of demanding industrial and engineering applications. Our fasteners are available in different sizes, diameters, thread configurations, lengths, grades, finishes, and dimensional tolerances to meet specific assembly and service requirements. At Jai Hind Metal, we focus on maintaining consistent material quality, accurate dimensions, proper threading, surface finish, traceability, and overall product reliability throughout the manufacturing and supply process. Stainless Steel 347 / 347H Fasteners can also be manufactured and supplied as per customer drawings, technical specifications, inspection plans, testing requirements, material certificates, and project-specific standards. Depending on the application, additional testing, inspection, documentation, and certification can be arranged to support individual project requirements. For product details, technical specifications, or customized requirements, email us at info@jaihindmetal.com.
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Email: info@jaihindmetal.com
INDUSTRIES WE SERVE
Our high-performance metal products are engineered to meet the demanding requirements of industries operating in challenging environments, including extreme temperatures, pressure and corrosive conditions.
Marine Applications
Our corrosion-resistant metal products are widely used in marine environments where exposure to seawater, salt spray and harsh atmospheric conditions demands exceptional durability and reliability.
Oil & Gas
Our nickel alloys and high-performance metal products are used throughout the oil and gas industry for demanding applications involving high pressure, corrosive fluids, sour gas and extreme operating conditions.
Chemical Processing
Our corrosion-resistant alloys provide dependable performance in chemical processing equipment exposed to aggressive chemicals, high temperatures and challenging process conditions.
Aerospace
High-strength nickel alloys and specialty metals are selected for aerospace applications where lightweight performance, strength and resistance to extreme temperatures are essential.
Power Generation
Our specialty metal products support power generation equipment operating under high temperatures, pressure and corrosive conditions, delivering reliable long-term performance.
Salt Production
Corrosion-resistant metals are ideal for salt production environments where continuous exposure to concentrated salt and moisture can severely affect conventional materials.
