SS 304 Weld Neck exporter in India
SS 304 Weld Neck exporter in India specializes in providing high-quality stainless steel flanges designed for demanding industrial applications. These flanges are crafted from SS 304, a versatile austenitic stainless steel known for its excellent corrosion resistance, strength, and durability. The weld neck design ensures a strong, leak-proof connection by allowing the flange to be butt-welded to pipes, making it ideal for high-pressure and high-temperature environments.
Manufactured in compliance with international standards such as ASTM A182 and ASME B16.5, these stainless steel components exhibit precise dimensions and superior surface finish to guarantee optimal performance. The material properties of SS 304 include excellent resistance to oxidation and various chemicals, making it suitable for use in industries ranging from chemical processing and petrochemicals to food processing and pharmaceuticals.
Due to their robust construction and reliable sealing capabilities, these flanges are widely used in pipelines, pressure vessels, and structural applications where safety and longevity are critical. The weld neck type ensures that stress is evenly distributed along the pipe and flange, minimizing the risk of failure under dynamic loads. This makes them a preferred choice for critical systems requiring stringent quality and safety standards.
Export-ready facilities in India ensure these products meet global quality certifications and undergo rigorous inspection processes before shipment. With advanced manufacturing techniques and quality control protocols, suppliers cater to international buyers demanding consistent product reliability and timely delivery. Customization options, including various sizes, pressure ratings, and finishes, are also available to meet specific project requirements.
Industrial buyers looking for durable and reliable stainless steel flanges can trust Indian exporters to provide competitive pricing without compromising on quality. The combination of high-grade SS 304 material and the weld neck design makes these flanges an essential component in maintaining the integrity of piping systems worldwide.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why SS 304 Weld Neck exporter in India 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 304 Weld Neck exporter in India
- 2. How to Choose the Right Manufacturer
- 3.Comparison of SS 304 Weld Neck exporter in India
- 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 304 Weld Neck exporter in India
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 304 Weld Neck exporter in India
| 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 304 Weld Neck
- ✔ Excellent corrosion resistance in a wide range of environments
- ✔ High strength and durability, making it suitable for high-pressure applications
- ✔ Good weldability, allowing for easy fabrication and installation
- ✔ Non-magnetic properties, enhancing its usability in various industries
- ✔ Temperature resistance, maintaining integrity in extreme conditions
- ✔ Versatile application across food processing, chemical, and petrochemical industries
Technical Overview of SS 304 Weld Neck
| Product | Composition | Usage | Standards |
|---|---|---|---|
| SS 304 Weld Neck Flange | 18% Cr, 8% Ni, 0.08% C | Used in piping systems for high-temperature and pressure applications | ASTM A182, ASME B16.5 |
| SS 304L Weld Neck Flange | 18% Cr, 8% Ni, 0.03% C | Ideal for welding applications with low carbon content | ASTM A240, ASME SA240 |
| SS 304H Weld Neck Flange | 18% Cr, 8% Ni, 0.04% C | Designed for high-temperature service in pressure vessels | ASTM A182, ASME B16.5 |
Specifications Table
| Material | Stainless Steel 304 |
|---|---|
| Grades | ASTM A182, ASTM A240 |
| Standard | ANSI/ASME B16.5 |
| Size Range | 1/2" to 24" |
| Length | Customizable up to 60" |
| Form | Weld Neck Flange |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| SS 304 Weld Neck Flange | 18% Chromium, 8% Nickel, 0.08% Carbon | Chemical processing, food industry, and petrochemical applications |
| SS 304L Weld Neck Flange | 18% Chromium, 8% Nickel, 0.03% Carbon | Welded structures and low-temperature applications |
| SS 304H Weld Neck Flange | 18% Chromium, 8% Nickel, 0.04-0.10% Carbon | High-temperature applications in power plants |
| SS 304N Weld Neck Flange | 18% Chromium, 8% Nickel, 0.10% Nitrogen | Highly stressed applications and pressure vessels |
| SS 304J1 Weld Neck Flange | 18% Chromium, 8% Nickel, 0.02% Carbon, 0.10% Nitrogen | Corrosive environments and food processing |
Available Sizes of SS 304 Weld Neck (MM)
| Size (MM) | Size (MM) |
|---|---|
| 10 | 15 |
| 20 | 25 |
| 30 | 40 |
| 50 | 60 |
| 70 | 80 |
| 90 | 100 |
| 110 | 120 |
| 130 | 140 |
| 150 | 160 |
| 180 | 200 |
Chemical Properties of SS 304
| Element | Composition (%) |
|---|---|
| Iron (Fe) | 66.0 - 74.0 |
| Chromium (Cr) | 18.0 - 20.0 |
| Nickel (Ni) | 8.0 - 10.5 |
| Manganese (Mn) | 2.0 max |
| Silicon (Si) | 1.0 max |
| Carbon (C) | 0.08 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
Mechanical Properties of SS 304
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 520 - 720 |
| Yield Strength (MPa) | 215 |
| Elongation (%) | 40 |
| Hardness (Brinell) | 201 |
| Modulus of Elasticity (GPa) | 193 - 200 |
SS 304 Weld Neck – Physical & Thermal Properties
Density of SS 304 Weld Neck
| Property | Metric | Imperial |
|---|---|---|
| Density | 7900 kg/m³ | 0.284 lb/in³ |
Melting Point of SS 304 Weld Neck
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1400 - 1450 °C | 2552 - 2642 °F |
Specific Heat of SS 304 Weld Neck
| Specific Heat of SS 304 Weld Neck | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Annealed |
| 480 | 100 - 500 | Annealed |
| 460 | 500 - 800 | Annealed |
Electrical Resistivity of SS 304 Weld Neck
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.72 | 20 | Annealed |
| 0.74 | 100 | |
| 0.76 | 200 | |
| 0.78 | 300 | |
| 0.80 | 400 | |
Manufacturing Process & Heat Treatment of SS 304
Annealing
Annealing of SS 304 is performed to relieve internal stresses and improve ductility. The process involves heating the material to a temperature range of 1000°C to 1100°C, followed by controlled cooling. This treatment enhances the material's workability and prepares it for subsequent machining or fabrication processes.
Forging
Forging of SS 304 involves shaping the steel through compressive forces applied through hammering or pressing. This process is typically conducted at elevated temperatures, around 900°C to 1200°C, to enhance ductility and reduce brittleness. The forging process imparts improved mechanical properties and a refined microstructure to the material.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1040 - 1100 | Water or Oil | Increase hardness and strength |
| Tempering | 400 - 800 | Air | Reduce brittleness and improve toughness |
| Solution Annealing | 1000 - 1100 | Air | Enhance corrosion resistance and uniformity |
The combination of these processes ensures that SS 304 retains its desirable mechanical properties and corrosion resistance, making it suitable for a wide range of industrial applications.
Various Types
SS 304 Weld Neck Flange
- Dimensions: ½" to 48" in diameter
- Condition: Annealed
- Applications: Piping systems, Chemical processing
SS 304 Slip-On Flange
- Dimensions: 1" to 24" in diameter
- Condition: Hot Finished
- Applications: Low-pressure applications, Water pipelines
SS 304 Blind Flange
- Dimensions: ½" to 36" in diameter
- Condition: Cold Finished
- Applications: End of a piping system, Pressure vessel closures
SS 304 Socket Weld Flange
- Dimensions: ¾" to 12" in diameter
- Condition: Pickled and Passivated
- Applications: High-pressure applications, Oil and gas industry
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 304 Weld Neck
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| SS 304 Weld Neck | 3 mm | $3.20 – $3.50 | ₹250 – ₹270 |
| SS 304 Weld Neck | 6 mm | $3.10 – $3.40 | ₹240 – ₹260 |
| SS 304 Weld Neck | 10 mm | $3.00 – $3.30 | ₹230 – ₹250 |
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 304 Weld Neck.
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
- SS 304 Flange Supplier in India
- SS 316 Weld Neck Flange Manufacturer
- Stainless Steel Pipe Fittings Exporter
- SS 304 Pipe Supplier in India
- Weld Neck Flange Price List
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
