Hinged Expansion Bellows Exporter Ferro Fittings and Alloys specializes in manufacturing high-quality hinged expansion bellows, crafted from superior material grades to ensure durability and performance. Located in Mumbai, India, we are a leading exporter of these essential components, designed to absorb thermal expansion and contraction in piping systems. Our bellows are engineered to meet the demanding requirements of various industries, ensuring reliability and efficiency in every application.
Our hinged expansion bellows conform to stringent industry standards, including ASTM, ASME, and DIN, ensuring that they meet the highest quality benchmarks. Available in size ranges from DN 25 to DN 600 (NPS 1 to NPS 24), our products can handle pressure ratings from Class 150 to 2500 or PN10 to PN400. They are designed to operate effectively within temperature ranges of -40°C to 550°C, and are compatible with various end connections such as flanged, welded, or threaded types, providing versatility for different installations.
Hinged expansion bellows find extensive applications across multiple industries, including Oil & Gas, Petrochemical, Chemical, Power, Pharmaceutical, Shipbuilding, and Water Treatment. Our products are crucial for projects in regions like the UAE, Saudi Arabia, and Qatar, supporting various project types including EPC, LSTK, and maintenance operations. By providing reliable solutions, Ferro Fittings and Alloys helps industries maintain operational efficiency and safety standards in their processes.
Our commitment to quality is demonstrated through our ISO 9001:2015 certification and the availability of EN 10204 3.1 / 3.2 Mill Test Certificates. We conduct comprehensive in-house testing, including PMI, Hydrostatic, Hardness, Impact (Charpy), UT, and LPT to ensure the integrity and reliability of our products. Additionally, our bellows comply with NACE MR 0175 / ISO 15156 standards for sour service applications, guaranteeing their performance in challenging environments. Request a free MTC sample or get a quick quote via WhatsApp.
Choosing Ferro Fittings and Alloys means opting for a partner with competitive lead times of just 2–4 weeks, no minimum order quantity restrictions, and readily available stock. We provide FOB Mumbai, CIF, and CFR shipping options, accompanied by complete export documentation for a seamless transaction experience. For inquiries, feel free to reach us at +91-86550-39959, connect via WhatsApp at wa.me/+918655039959, or email us at export@ferrofittings.com.
Trusted manufacturer & exporter of Flanges, Pipe Fittings and Valves in 30+ countries.
1–4 weeks depending on size, grade & quantity.
Urgent and bulk orders handled efficiently.FOB, CIF, CFR, EXW, DDP (Incoterms 2020).
Door-to-port and door-to-door delivery available.Sea Freight / Air Cargo / Express Courier.
Complete export documentation & tracking support.Trusted by EPC contractors, procurement teams, and global industrial buyers across multiple countries for certified supply and reliable delivery.
Direct supply with bulk stock availability to reduce your overall project cost.
ISO 9001, ISO 14001, ISO 45001, PED certified with full test certificates.
Safe, sea-worthy packaging ensuring damage-free international delivery.
Selecting the right partner for Hinged Expansion Bellows Exporter is critical for ensuring product quality, long-term performance, and successful project execution. As a trusted manufacturer and exporter, Ferro Fittings and Alloys delivers high-quality materials meeting international standards and global industry requirements.
Understand the key differences between local suppliers, trading companies, and professional manufacturers & exporters like Ferro Fittings and Alloys.
| Evaluation Factor | Small Local Suppliers | Trading Companies | Ferro Fittings and Alloys |
|---|---|---|---|
| Manufacturing Control | Limited or outsourced production | Dependent on third-party mills | Direct manufacturing with strict quality control |
| Standards Compliance | Basic or local standards | Varies depending on supplier | ASTM, ASME, ANSI, EN, ISO certified products |
| Inspection & Certification | Limited documentation | Inconsistent certification | MTC, TPI, and full export documentation provided |
| Export Capability | Mostly domestic supply | Moderate export handling | Global exports with complete logistics support |
| Delivery Reliability | Uncertain timelines | Depends on sourcing chain | Consistent lead times with ready stock availability |
| Project Risk Level | High | Medium | Low |
| Product | Composition | Standard | Application |
|---|---|---|---|
| Hinged Expansion Bellows | Stainless Steel (Grade 304/316), Carbon Steel | ASTM A240, ASME B31.3 | Used in piping systems for thermal expansion compensation in industrial applications |
| Hinged Expansion Bellows | Alloy Steel (Grade 321, 347) | EN 10204 3.1 | Applicable in high-temperature environments and corrosive media |
| Hinged Expansion Bellows | Duplex Steel (Grade 2205) | DIN 17440 | Ideal for oil and gas, chemical processing, and power generation industries |
Ferro Fittings and Alloys is a leading Hinged Expansion Bellows Exporter, providing high-quality products designed to accommodate thermal expansion and contraction in piping systems. Our bellows are manufactured in accordance with international standards such as ASTM, ASME, and EN, ensuring reliability and performance in various applications. With in-house testing capabilities including PMI, Hydrostatic, and Impact testing, we guarantee that our products meet stringent quality requirements. We cater to a global market, exporting to over 50 countries including the UAE, USA, and Germany. Our standard lead time is 2-4 weeks, with the ability to accommodate urgent orders. Contact us for a quick quote or request a free sample MTC to experience our commitment to quality.
| Material | Stainless Steel 321 |
|---|---|
| Grades | ASTM A240, ASTM A312 |
| Standard | ASME B31.3, ASME B16.34 |
| Size Range | 2" to 48" (50 mm to 1200 mm) |
| Pressure Rating | Up to 1500 PSI |
| Surface Finish | Polished to Ra 0.5 µm |
| End Connection | Flanged, Welded, or Threaded |
| Form | Hinged Bellows with Reinforcement |
| Grade / UNS | Common Name | Key Feature | Typical Application |
|---|---|---|---|
| 304 / UNS S30400 | Austenitic Stainless Steel | Excellent corrosion resistance | Chemical processing, food and beverage industry |
| 316 / UNS S31600 | Austenitic Stainless Steel | Superior corrosion resistance, especially in chloride environments | Marine applications, pharmaceutical equipment |
| 321 / UNS S32100 | Austenitic Stainless Steel | Good high-temperature stability | Aerospace applications, high-temperature piping |
| Inconel 600 / UNS N06600 | Nickel-Chromium Alloy | Excellent oxidation and carburization resistance | High-temperature industrial applications, gas turbine components |
| Monel 400 / UNS N04400 | Nickel-Copper Alloy | Good resistance to seawater and steam | Marine engineering, chemical processing |
| Size / DN | Pressure Class | Wall Thickness | Length |
|---|---|---|---|
| 50 | 150 | 3.2 mm | 300 mm |
| 80 | 150 | 3.6 mm | 400 mm |
| 100 | 150 | 4.0 mm | 500 mm |
| 150 | 150 | 4.5 mm | 600 mm |
| 200 | 150 | 5.0 mm | 700 mm |
| 250 | 150 | 5.5 mm | 800 mm |
| Element | Content (%) |
|---|---|
| Iron, Fe | Balance |
| Chromium, Cr | 16.0 – 18.0 |
| Nickel, Ni | 10.0 – 14.0 |
| Molybdenum, Mo | 2.0 – 3.0 |
| Manganese, Mn | max 2.0 |
| Silicon, Si | max 1.0 |
| Carbon, C | max 0.030 |
| Nitrogen, N | max 0.10 |
| Phosphorous, P | max 0.045 |
| Sulfur, S | max 0.030 |
All values in weight %. Source: ASTM A240 / EN 10088-2 — SS 316L (Standard Bellows Body Material)
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Design Pressure | 2.5 | MPa | ASME B31.3 |
| Design Temperature | 550 | °C | ASME B31.3 |
| Maximum Operating Pressure | 2.0 | MPa | ASME B31.3 |
| Maximum Operating Temperature | 500 | °C | ASME B31.3 |
| Elongation at Break | 20 | % | ASTM E8/E8M |
| Property | Value (Metric) | Value (Imperial) |
|---|---|---|
| Density | 7850 kg/m³ | 490 lb/ft³ |
| Melting Point | 1450 °C | 2642 °F |
| Specific Heat | 500 J/(kg·K) | 0.12 BTU/(lb·°F) |
| Thermal Conductivity | 50 W/(m·K) | 34.5 BTU/(hr·ft²·°F) |
| Electrical Resistivity | 0.0000017 Ω·m | 0.0000017 Ω·ft |
| Standard | Grade | UNS | Werkstoff Nr. | BS |
|---|---|---|---|---|
| ASTM A312 | TP304 | S30400 | 1.4301 | BS 1449 |
| ASTM A240 | 316L | S31603 | 1.4404 | BS 1449 |
| ASME SA-182 | F321 | S32100 | 1.4541 | BS 1449 |
At Ferro Fittings and Alloys, we utilize high-quality raw materials conforming to ASTM, ASME, and DIN standards for our hinged expansion bellows. Each batch undergoes rigorous inspection using Positive Material Identification (PMI) to ensure compliance with specified grades such as A36, A240, and AISI 316. Our commitment to quality starts with selecting the right materials, ensuring optimal performance and durability in high-pressure applications.
The forming and fabrication process for hinged expansion bellows involves advanced techniques, including hydraulic forming and welding. We employ qualified welders who adhere to ASME Section IX standards. The bellows are manufactured in various sizes, typically ranging from 100 mm to 1000 mm in diameter, with thicknesses from 2 mm to 5 mm. This ensures flexibility and strength to accommodate thermal expansion and contraction in piping systems.
| Process | Temperature (°C) | Medium | Purpose |
|---|---|---|---|
| Annealing | 850-1050 | Air | To relieve stress and improve ductility |
| Quenching | 800-900 | Water | To enhance hardness and mechanical properties |
Quality is paramount at Ferro Fittings and Alloys. Our hinged expansion bellows undergo extensive testing, including Hydrostatic tests, Hardness tests, and Non-Destructive Testing (NDT) such as Radiography, Ultrasonic Testing (UT), Liquid Penetrant Testing (LPT), and Magnetic Particle Testing (MPT). We provide Material Test Certificates (MTC) in compliance with EN 10204 3.1 and 3.2, ensuring you receive products that meet stringent international standards. Contact us for a quick quote and to learn more about our quality assurance processes.
| Grade | Size / Dimension | Price (USD/Kg) | Price (INR/Kg) |
|---|---|---|---|
| SS 304 | DN 50 (2 inch) | $12.50 | ₹1025 |
| SS 304 | DN 100 (4 inch) | $11.80 | ₹968 |
| SS 316 | DN 150 (6 inch) | $13.20 | ₹1084 |
| SS 321 | DN 200 (8 inch) | $14.50 | ₹1190 |
Note: Prices are indicative and subject to change based on quantity, raw material costs, and delivery terms. Contact us for the latest quotation.
Our multiple locations and strong logistics network make it easy for customers across India to source Hinged Expansion Bellows Exporter from Ferro Fittings and Alloys. Contact us for prompt delivery at competitive prices.
Ferro Fittings and Alloys exports Hinged Expansion Bellows Exporter to 50+ countries worldwide. We handle all export documentation, sea-worthy packaging, and logistics to ensure on-time, damage-free delivery anywhere in the world.
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Ferro Fittings and Alloys is a leading ISO 9001:2015 certified manufacturer, supplier, and exporter of high-quality pipe fittings, valves, flanges, round bars, sheets, plates, pipes, tubes, and expansion bellows. Based in Mumbai, India, we serve industrial sectors including oil & gas, petrochemical, power generation, pharmaceuticals, marine, and construction.
We supply a comprehensive range of grades — Stainless Steel, Duplex & Super Duplex, Carbon Steel, Alloy Steel, Inconel, Hastelloy, Monel, Titanium, Nickel, and Nimonic Alloys — to customers in 50+ countries. Our products are manufactured as per ASTM, ASME, ANSI, MSS, BS, DIN, and EN standards with EN 10204 3.1/3.2 Mill Test Certificates.
📍 Address: 6th Kumbharwada, Shop No. 154, Near Alankar Cinemas, Mumbai 400 004
📞 Mr. Aashit Shah: +91 86524 99959
📞 Mr. Bhavin Shah: +91 86550 39959
📧 Sales: export@ferrofittings.com
📧 Export: export@ferrofittings.com
📧 Gmail: inquiry@ferrofittings.com
