Angular Expansion Bellows are flexible components designed to absorb thermal expansion and contraction in piping systems, typically made from high-grade alloy steel. Ferro Fittings and Alloys, based in Mumbai, specializes in manufacturing and exporting these essential fittings to meet the rigorous demands of various industries worldwide.
These bellows conform to stringent standards such as ASTM, ASME, and DIN, ensuring reliability and performance. Available in sizes ranging from DN 25 to DN 600 (NPS 1 to NPS 24), they can handle pressure ratings from Class 150 to Class 2500 or PN10 to PN400. Designed to operate within a temperature range of -196°C to 600°C, these products can accommodate various end connections, including welded and flanged options, making them versatile for numerous applications.
Angular Expansion Bellows find extensive use across multiple industry verticals, including Oil & Gas, Petrochemical, Chemical, Power, Pharmaceutical, Shipbuilding, and Water Treatment. They are crucial in projects across the globe, particularly in regions such as the UAE, Saudi Arabia, and the UK, where they support EPC and LSTK projects, as well as ongoing maintenance efforts in demanding environments.
Ferro Fittings and Alloys proudly holds an ISO 9001:2015 certification and provides EN 10204 3.1 / 3.2 Mill Test Certificates for quality assurance. Our in-house testing capabilities include PMI, Hydrostatic, Hardness, Impact (Charpy), and UT tests, ensuring compliance with NACE MR 0175 / ISO 15156 for sour service applications. Request a free MTC sample or get a quick quote via WhatsApp.
Choosing Ferro Fittings means benefiting from our competitive lead time of just 2–4 weeks, no minimum order quantity, and readily available stock. We offer shipping terms such as FOB Mumbai, CIF, and CFR, complete with full export documentation. For inquiries, please contact us at +91-86550-39959, reach us on WhatsApp at wa.me/+918655039959, or email us at sales@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 Angular Expansion Bellows 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 |
|---|---|---|---|
| Angular Expansion Bellows | Stainless Steel 304/316, Carbon Steel, Alloy Steel | ASTM A312, ASME B31.3, EN 15266 | Piping systems for thermal expansion, vibration absorption, and misalignment compensation in chemical, oil & gas, and power generation industries |
| Angular Expansion Bellows | Inconel 600, Monel 400 | ASTM B163, ASME B16.34 | High-temperature and corrosive environments in aerospace and nuclear applications |
| Angular Expansion Bellows | Alloy 20, Hastelloy C-276 | ASTM B464, NACE MR 0175 | Applications in pharmaceutical and food processing industries requiring high corrosion resistance |
Angular Expansion Bellows are critical components for managing thermal expansion and vibration in piping systems. Constructed from high-quality materials such as Stainless Steel, Inconel, and Alloy Steel, our bellows adhere to rigorous standards including ASTM and ASME. With dimensions customizable to your specifications, we ensure optimal performance under varying pressure and temperature conditions. Our products undergo in-house testing including PMI, Hydrostatic, and Radiographic tests to confirm compliance with quality standards. We offer ISO 9001:2015 certified products with available Material Test Certificates (MTC) to ensure reliability. Stock is readily available, and we can accommodate urgent orders with a lead time of just 2–4 weeks. Contact us for a quick quote or request a free sample MTC today.
| Material | Stainless Steel (AISI 321 or AISI 316L) |
|---|---|
| Grades | Grade 321, Grade 316L |
| Standard | ASME B31.3, ISO 10330 |
| Size Range | 2 inches to 24 inches (50 mm to 600 mm) |
| Pressure Rating | Up to 150 psi (10.34 bar) |
| Surface Finish | Ra 0.8 µm (32 µin) or better |
| End Connection | Welded, Flanged, or Threaded |
| Form | Angular with a maximum angle of 45 degrees |
| Grade / UNS | Common Name | Key Feature | Typical Application |
|---|---|---|---|
| 321 / UNS S32100 | Stainless Steel 321 | Excellent resistance to oxidation and corrosion | High-temperature applications, such as exhaust systems |
| 304 / UNS S30400 | Stainless Steel 304 | Good corrosion resistance and formability | General-purpose applications in chemical processing |
| 316 / UNS S31600 | Stainless Steel 316 | Superior corrosion resistance, especially in chloride environments | Marine applications and chemical processing |
| Inconel 625 / UNS N06625 | Inconel 625 | High strength and oxidation resistance at elevated temperatures | Aerospace and nuclear applications |
| Monel 400 / UNS N04400 | Monel 400 | Excellent resistance to seawater and steam at high temperatures | Marine and chemical processing applications |
| Size / DN | Pressure Class | Wall Thickness | Length |
|---|---|---|---|
| 50 | PN 10 | 2.5 mm | 200 mm |
| 80 | PN 16 | 3.0 mm | 250 mm |
| 100 | PN 25 | 3.5 mm | 300 mm |
| 150 | PN 40 | 4.0 mm | 350 mm |
| 200 | PN 63 | 4.5 mm | 400 mm |
| 250 | PN 100 | 5.0 mm | 450 mm |
| Element | Min (%) | Max (%) |
|---|---|---|
| Carbon (C) | 0.08 | 0.15 |
| Manganese (Mn) | 0.30 | 0.60 |
| Silicon (Si) | 0.20 | 0.50 |
| Phosphorus (P) | 0.025 | 0.025 |
| Sulfur (S) | 0.015 | 0.015 |
| Nickel (Ni) | 3.00 | 5.00 |
| Chromium (Cr) | 17.00 | 19.00 |
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Design Pressure | 10 | bar | ASME B31.3 |
| Design Temperature | 600 | °C | ASME B31.3 |
| Maximum Elongation | 15 | % | ASTM E8/E8M |
| Yield Strength | 350 | MPa | ASTM E8/E8M |
| Tensile Strength | 500 | MPa | ASTM E8/E8M |
| Property | Value (Metric) | Value (Imperial) |
|---|---|---|
| Density | 8,000 kg/m³ | 500 lb/ft³ |
| Melting Point | 1,400 °C | 2,552 °F |
| Specific Heat | 500 J/(kg·K) | 0.12 BTU/(lb·°F) |
| Thermal Conductivity | 15 W/(m·K) | 104 BTU·in/(hr·ft²·°F) |
| Electrical Resistivity | 1.68 × 10⁻⁸ Ω·m | 1.68 × 10⁻⁶ Ω·in |
| Standard | Grade | UNS | Werkstoff Nr. | BS |
|---|---|---|---|---|
| ASTM A312 | TP304 | S30400 | 1.4301 | BS 1449 |
| ASTM A312 | TP316 | S31600 | 1.4401 | BS 1449 |
| ASTM A276 | 304L | S30403 | 1.4306 | BS 1449 |
At Ferro Fittings and Alloys, the raw materials for Angular Expansion Bellows are meticulously sourced and inspected to meet international standards such as ASTM A240 and ASME SA240. Each batch undergoes Positive Material Identification (PMI) to ensure compliance with specified alloy grades, including stainless steel grades 304, 316, and 321. This rigorous inspection process guarantees the integrity and quality of our products.
The forming and fabrication of Angular Expansion Bellows are executed using advanced techniques such as hydroforming and mechanical forming. Our state-of-the-art equipment allows us to produce bellows with precise dimensions, typically ranging from 50 mm to 1000 mm in diameter, and custom configurations as per client requirements. Each fabrication step adheres to standards like ASME B31.3 and MSS SP-97, ensuring optimal performance in various applications.
| Process | Temperature (°C) | Medium | Purpose |
|---|---|---|---|
| Solution Annealing | 1050-1150 | Air | To relieve stress and enhance corrosion resistance |
| Stress Relieving | 600-800 | Air | To reduce residual stresses after forming |
Our quality assurance process for Angular Expansion Bellows includes rigorous testing methods such as Hydrostatic Testing, Hardness Testing (Rockwell), and Non-Destructive Testing (NDT) methods including Radiography, Ultrasonic Testing (UT), Liquid Penetrant Testing (LPT), and Magnetic Particle Testing (MPT). We provide Material Test Certificates (MTC) in accordance with EN 10204 3.1 and 3.2, ensuring that our products meet the highest standards of quality and safety. Contact us for a quick quote or to request a free sample MTC.
| Grade | Size / Dimension | Price (USD/Kg) | Price (INR/Kg) |
|---|---|---|---|
| SS 304 | DN 50 (2 inch), 150 mm length | $12.50 | ₹1000 |
| SS 304 | DN 100 (4 inch), 200 mm length | $13.50 | ₹1080 |
| SS 316 | DN 150 (6 inch), 250 mm length | $15.00 | ₹1200 |
| Inconel 625 | DN 200 (8 inch), 300 mm length | $25.00 | ₹2000 |
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 Angular Expansion Bellows from Ferro Fittings and Alloys. Contact us for prompt delivery at competitive prices.
Ferro Fittings and Alloys exports Angular Expansion Bellows 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
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