SS 347 nut bolt supplier in Mumbai
SS 347 nut bolt supplier in Mumbai offers premium-grade fasteners designed to meet the demanding requirements of industrial applications. These stainless steel components are manufactured from alloy 347, known for its excellent corrosion resistance and high-temperature strength. Ideal for use in chemical processing, power generation, and marine environments, these fasteners ensure durability and reliability under extreme conditions.
Constructed from a stabilized austenitic stainless steel grade, these nuts and bolts provide superior resistance to intergranular attack, making them suitable for welded assemblies exposed to elevated temperatures. The material composition typically includes niobium, which enhances their performance in oxidizing environments. Available in various sizes and threading standards, these fasteners conform to international specifications such as ASTM A193 and ASTM A194, ensuring compatibility with global industrial systems.
Our product range encompasses hex nuts, hex bolts, studs, and washers manufactured with precision to guarantee tight fitting and secure fastening. The dimensional accuracy and mechanical properties meet stringent quality control standards, making them ideal for critical applications in petrochemical plants, aerospace, and construction projects. Additionally, these fasteners exhibit excellent tensile strength and fatigue resistance, essential for maintaining structural integrity under dynamic loads.
With a well-established export infrastructure, suppliers based in Mumbai are equipped to handle bulk orders with timely delivery and customized packaging solutions. These capabilities make them reliable partners for international buyers seeking high-quality stainless steel fasteners. Comprehensive documentation, including material test reports and certifications, accompanies shipments to facilitate smooth customs clearance and compliance with global trade regulations.
For industrial buyers prioritizing performance and longevity, sourcing stabilized stainless steel fasteners from Mumbai ensures access to robust, corrosion-resistant components that withstand harsh operating environments. Whether for maintenance, repair, or new construction, these nuts and bolts deliver consistent quality and operational efficiency across diverse sectors worldwide.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why SS 347 nut bolt supplier in Mumbai Are Preferred by Global Buyers
- ✔ Factory Pricing: Direct manufacturer rates with bulk stock
- ✔ Certified Quality: ISO & 3rd-party tested, EN 10204 certified
- ✔ Export-Ready: Sea-worthy packaging for on-time delivery
- ✔ Fast RFQs: Quick quotes for custom sizes & quantities
- ✔ Traceability: 100% heat number tracking from raw material to finished product
Trusted by industries like oil & gas, petrochemicals, power, marine, and heavy engineering.
- Manufacturing Capacity: 500 MT / Month
- Export Experience: 15+ Years
- Countries Served: 50+
- Annual Export Volume: 5,500 MT
Table of Contents
- 1. What is SS 347 nut bolt supplier in Mumbai
- 2. How to Choose the Right Manufacturer
- 3.Comparison of SS 347 nut bolt supplier in Mumbai
- 4. Why Global Buyers Source from Jainam Ferro Alloys
- 5. Features
- 6. Technical Overview
- 7. Specifications
- 8. Available Grades
- 9. Available Sizes
- 10. Chemical Properties
- 11. Mechanical Properties
- 12. Physical & Thermal Properties
- 13. Electrical Resistivity
- 14. Equivalent Grades
- 15. Manufacturing Process & Heat Treatment
- 16. Various Types
- 17. Applications & Uses
- 18. Industries We Serve
- 19. Latest Price List
- 20. MOQ & Payment Terms
- 21. Export Packaging & Shipping
- 22. Cities We Supply in India
- 23. Countries We Export Worldwide
- 24. Our Certifications
- 25. Quality Inspection & Testing
- 26. Our Other Product Types
- 27. People Also Search For
- 28. Frequently Asked Questions
- 29. About Jainam Ferro Alloys
How to Choose the Right SS 347 nut bolt supplier in Mumbai
India is home to hundreds of manufacturers ranging from small job shops to large ISO-certified exporters. International and domestic buyers typically evaluate manufacturers based on quality compliance, production capacity, export experience, and pricing transparency.
- Certification & international standards (ASME, ASTM, EN)
- Manufacturing capability vs trading activity
- Export documentation & inspection support
- Stock availability & lead time reliability
- Past supply experience in oil & gas, EPC & heavy industries
Comparison Factors Among SS 347 nut bolt supplier in Mumbai
| Evaluation Factor | Small Local Suppliers | Trading Companies | ISO-Certified Manufacturers |
|---|---|---|---|
| Manufacturing Control | Limited | None | Full in-house / audited partners |
| International Standards | Basic | Depends on source | ASME / ASTM / EN |
| Inspection & MTCs | Limited | Inconsistent | EN 10204 3.1 / 3.2 |
| Export Experience | Low | Medium | 50+ countries |
| Risk for EPC Projects | High | Medium | Low |
International buyers typically prefer ISO-certified manufacturers for large-scale or critical applications due to better quality control, documentation, and lower project risk.
Why Global Buyers Choose Jainam Ferro Alloys
Jainam Ferro Alloys is a trusted ISO 9001:2015 certified manufacturer and global exporter of ferro alloys and metal products, supplying consistent, high-quality materials to customers across USA, UK, Europe, Middle East, Africa, and Asia-Pacific. Our focus on quality assurance, cost efficiency, and on-time delivery makes us a preferred sourcing partner for international buyers.
| Key Advantage | Buyer Benefit |
|---|---|
| ISO 9001:2015 Certified Manufacturing | Consistent quality with documented QA systems and process control |
| ASME / ASTM / EN Compliant Products | Globally accepted standards with EN 10204 3.1 / 3.2 MTCs |
| Lower Manufacturing & Sourcing Costs | Save up to 15–20% compared to European suppliers |
| Favorable Exchange Rate Advantage | Reduced landed cost for international importers |
| In-House Testing & Inspection Facilities | Strict chemical, mechanical & dimensional quality checks |
| Bulk Stock & High Production Capacity | Fast order fulfillment and stable supply for large projects |
| Custom Sizes & Drawing-Based Manufacturing | Products manufactured exactly to buyer specifications |
| Export-Grade Packaging & Global Logistics | Sea-worthy packing, palletization & worldwide shipping support |
| Faster Global Shipping Routes | Optimized logistics for Middle East, Africa & Southeast Asia |
| Technical & After-Sales Support | Project assistance, documentation & responsive RFQ handling |
| Trusted by Global Steel & EPC Companies | Proven export experience across 50+ countries |
Features of SS 347 Nut Bolt
- ✔ Excellent corrosion resistance in both oxidizing and reducing environments
- ✔ High-temperature strength, making it suitable for applications up to 1500°F
- ✔ Good weldability and formability for complex assembly needs
- ✔ Enhanced creep resistance for high-stress applications
- ✔ Available in various sizes and specifications to meet diverse industry requirements
- ✔ Compliance with ASTM A193 and A320 standards for quality assurance
Technical Overview of SS 347 Nut Bolt
| Product | Composition | Usage | Standards |
|---|---|---|---|
| SS 347 Nut | Fe, Cr (18-20%), Ni (9-12%), C (max 0.08%), Nb (10 times C min) | Used in high-temperature applications and corrosive environments | ASTM A193, A194, A276 |
| SS 347 Bolt | Fe, Cr (18-20%), Ni (9-12%), C (max 0.08%), Nb (10 times C min) | Ideal for chemical processing and petrochemical industries | ASTM A320, A325, A307 |
| SS 347 Fasteners | Fe, Cr (18-20%), Ni (9-12%), C (max 0.08%), Nb (10 times C min) | Suitable for high-stress applications in various industries | ISO 3506, ASME B18.2.1 |
Specifications Table
| Material | Stainless Steel 347 |
|---|---|
| Grades | ASTM A193, ASTM A194 |
| Standard | ISO 3506 |
| Size Range | M6 to M30 |
| Length | 10 mm to 200 mm |
| Form | Hexagonal Nut and Bolt |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| SS 347 Nut | Fe, C, Mn, Si, P, S, Cr (17-19%), Ni (9-12%), Ti (5xC min) | Used in high-temperature applications, chemical processing, and oil refineries. |
| SS 347 Bolt | Fe, C, Mn, Si, P, S, Cr (17-19%), Ni (9-12%), Ti (5xC min) | Suitable for use in corrosive environments and high-stress applications. |
| SS 347 Washer | Fe, C, Mn, Si, P, S, Cr (17-19%), Ni (9-12%), Ti (5xC min) | Commonly used in structural applications and equipment in the petrochemical industry. |
| SS 347 Stud | Fe, C, Mn, Si, P, S, Cr (17-19%), Ni (9-12%), Ti (5xC min) | Ideal for high-temperature service and various fastening applications. |
| SS 347 Hex Nut | Fe, C, Mn, Si, P, S, Cr (17-19%), Ni (9-12%), Ti (5xC min) | Used in assemblies exposed to severe chemicals and temperatures. |
Available Sizes of SS 347 Nut Bolt (MM)
| Size (MM) | Size (MM) |
|---|---|
| 6 | 8 |
| 10 | 12 |
| 14 | 16 |
| 18 | 20 |
| 22 | 24 |
| 27 | 30 |
| 33 | 36 |
| 39 | 42 |
| 45 | 48 |
| 50 | 55 |
Chemical Properties of SS 347
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.08 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
| Silicon (Si) | 1.00 max |
| Nickel (Ni) | 8.00 - 10.00 |
| Chromium (Cr) | 17.00 - 19.00 |
| Titanium (Ti) | 5 x C min - 0.70 max |
Mechanical Properties of SS 347
| Property | Value |
|---|---|
| Tensile Strength | 515 MPa |
| Yield Strength | 205 MPa |
| Elongation | 40% |
| Hardness (HB) | 217 |
| Modulus of Elasticity | 193 GPa |
SS 347 – Physical & Thermal Properties
Density of SS 347
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.93 g/cm³ | 0.286 lb/in³ |
Melting Point of SS 347
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1450-1510 °C | 2642-2750 °F |
Specific Heat of SS 347
| Specific Heat of SS 347 | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 25 - 100 | Room Temperature |
| 480 | 100 - 500 | Heating |
| 460 | 500 - 1000 | High Temperature |
Electrical Resistivity of SS 347
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.73 | 20 | Annealed |
| 0.75 | 100 | |
| 0.78 | 200 | |
| 0.80 | 300 | |
| 0.82 | 400 | |
Manufacturing Process & Heat Treatment of SS 347 Nut Bolt
Annealing
Annealing of SS 347 nut bolts is performed to relieve internal stresses, improve ductility, and enhance the overall mechanical properties of the material. The process involves heating the bolts to a temperature range of 1000-1100°C, followed by controlled cooling, usually in air. This treatment ensures that the bolts achieve a uniform microstructure, contributing to their performance in various applications.
Forging
The forging process for SS 347 nut bolts involves shaping the steel while it is in a plastic state, which is achieved through hammering or pressing. This method enhances the grain structure, resulting in improved strength and toughness. The typical forging temperature for SS 347 is around 1150-1250°C, allowing for easier manipulation of the material while maintaining its integrity.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1000-1100 | Oil or Water | To increase hardness and strength of the material |
| Tempering | 650-750 | Air | To relieve stresses and reduce brittleness |
| Stress Relieving | 600-700 | Air | To stabilize the dimensions and properties post-manufacturing |
The combination of these manufacturing and heat treatment processes ensures that SS 347 nut bolts exhibit excellent corrosion resistance, high-temperature strength, and durability, making them suitable for a wide range of industrial applications.
Various Types
SS 347 Hex Nut
- Sizes: M6 to M30
- Condition: Annealed and Pickled
- Applications: High-temperature service, Aerospace, Chemical processing
SS 347 Bolt
- Sizes: M6 to M30
- Condition: Cold Worked
- Applications: Pressure vessels, Heat exchangers, Automotive
SS 347 Stud Bolt
- Sizes: M8 to M20
- Condition: Hot Finished
- Applications: Flange joints, Piping systems, Structural applications
SS 347 Lock Nut
- Sizes: M6 to M24
- Condition: Passivated
- Applications: Machinery, Equipment assembly, Vibration resistance
Applications & Uses
- Oil & Gas Industry
- Petrochemical Plants
- Water Treatment Plants
- Pharmaceutical Industry
- Food & Beverage Industry
- Automobile Industry
Industries We Serve
Our alloys are widely used across:
- Steel Plants
- Foundries & Casting Units
- Automobile Industry
- Shipbuilding & Marine
- Oil & Gas
- Engineering Components
- Heavy Industrial Machinery
latest Price List of SS 347 Nut Bolt
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| SS 347 Nut Bolt | 3 mm | $3.50 – $4.00 | ₹290 – ₹320 |
| SS 347 Nut Bolt | 6 mm | $3.80 – $4.30 | ₹310 – ₹340 |
| SS 347 Nut Bolt | 10 mm | $4.00 – $4.50 | ₹320 – ₹350 |
Note: Prices are indicative and may vary based on size, quantity, raw material cost, and delivery location. Contact us for the latest quotation for SS 347 Nut Bolt.
MOQ & Payment Terms
Minimum Order Quantity: 25–100 Kg depending on part size and grade.
Payment Terms: Depending On Grade and Quantity Size
Export Packaging & Shipping
- Seaworthy, fumigated wooden crates with waterproof inner lining
- Palletised packing with clear shipping marks and heat number identification
- Container stuffing supervision with loading photographs available on request
Cities We Suppllied In India
| Supply Cities | |||||
|---|---|---|---|---|---|
| Mumbai | Delhi | Pune | Chennai | Hyderabad | Bengaluru |
| Ahmedabad | Rajkot | Coimbatore | Kolkata | Bhopal | Surat |
We exported to 50+ countries worldwide.
| Exported Countries | |||||
|---|---|---|---|---|---|
| USA | UK | UAE | Germany | South Africa | Australia |
| Italy | Canada | Netherlands | Qatar | Saudi Arabia | Malaysia |
Our Certifications
We are a certified manufacturer and exporter, committed to strict quality control and international compliance standards. Below are our key certifications.
Compliance
ISO 14001:2015
Importer Exporter
ISO 45001:2018
ISO 9001:2015
Udyam Registration
Quality Inspection & Testing
At Jainam Ferro Alloys, all products are checked through strict quality inspection and testing to meet international standards such as ASTM, ASME, EN, and DIN. This ensures consistent quality, accurate dimensions, and full material traceability.
- ✔ Chemical composition testing
- ✔ Mechanical tests such as tensile and hardness
- ✔ Dimensional inspection as per standard tolerances
- ✔ PMI, ultrasonic, and visual inspection (if required)
- ✔ EN 10204 3.1 / 3.2 test certificates
- ✔ Third-party inspection by SGS, TUV, BV, or Lloyd’s
Our quality systems support reliable supply for oil & gas, petrochemical, power, marine, and heavy engineering projects.
People Also Search For
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Frequently Asked Questions
About JAINAM FERRO ALLOYS
- ✔ Decades of experience in stainless steel, carbon steel, and alloy steel manufacturing
- ✔ ISO 9001:2015 certified company ensuring strict quality control standards
- ✔ Specialized in cold drawn pipes and tubes processing
- ✔ State-of-the-art manufacturing facilities with modern machinery
- ✔ Precision-engineered products with consistent quality and reliability
- ✔ Customized steel solutions as per client drawings and specifications
- ✔ Compliance with international industry standards
- ✔ Trusted supplier for critical industrial applications worldwide
