Externally Pressurized Expansion Bellows Exporter are essential components designed to absorb thermal expansion and contraction in piping systems. Made from high-grade alloy steel, these bellows are critical for maintaining system integrity under varying pressure and temperature conditions. Ferro Fittings and Alloys, based in Mumbai, India, is a trusted manufacturer and exporter of these specialized products, ensuring quality and reliability for diverse industrial applications worldwide.
Our expansion bellows adhere to stringent standards including ASTM, ASME, DIN, and JIS, ensuring they meet the highest performance criteria. They are available in a variety of sizes ranging from DN 15 to DN 600 (NPS ½ to NPS 24) and can accommodate pressure ratings from Class 150 to 2500 or PN10 to PN400. These bellows are suitable for temperature ranges from -196°C to 800°C and can be fitted with various end connections such as flanged, welded, or threaded, tailored to meet specific application requirements.
Externally pressurized expansion bellows find applications across several key industries, including Oil & Gas, Petrochemical, Chemical, Power, and Pharmaceutical sectors. They are integral to projects in regions such as the UAE, Saudi Arabia, and Qatar, supporting various project types including EPC, LSTK, and maintenance initiatives. With their robust design, these bellows are engineered to withstand the demanding conditions often encountered in shipbuilding and water treatment facilities.
Ferro Fittings and Alloys is proud to hold the ISO 9001:2015 certification, ensuring our commitment to quality management systems. We provide EN 10204 3.1 / 3.2 Mill Test Certificates for all our products, backed by comprehensive in-house testing capabilities including PMI, Hydrostatic, Hardness, Impact (Charpy), and UT. Our products also comply with NACE MR 0175 / ISO 15156 standards, making them suitable for sour service environments. Request a free MTC sample or get a quick quote via WhatsApp.
Choosing Ferro Fittings and Alloys means opting for competitive lead times of just 2–4 weeks, with no minimum order quantity restrictions and readily available stock. We offer flexible shipping terms including FOB Mumbai, CIF, and CFR, complete with all necessary export documentation. For inquiries, reach us at +91-86550-39959, 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 Externally Pressurized 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 |
|---|---|---|---|
| Externally Pressurized Expansion Bellows | Stainless Steel (SS 304, SS 316), Inconel, Monel | ASTM A240, ASME B31.3, EN 10204 3.1/3.2 | Piping systems in chemical, petrochemical, and oil & gas industries |
| Externally Pressurized Expansion Bellows | Carbon Steel, Alloy Steel | ASTM A106, ASME B16.34, DIN 3216 | High-temperature applications, compensating for thermal expansion |
| Externally Pressurized Expansion Bellows | Special Alloys (Hastelloy, Titanium) | NACE MR 0175, BS 5500 | Corrosive environments, and high-pressure systems |
Ferro Fittings and Alloys is a leading Externally Pressurized Expansion Bellows Exporter based in Mumbai, India. Our bellows are designed to accommodate thermal expansion and contraction in piping systems while ensuring structural integrity and reliability. Manufactured in accordance with international standards such as ASTM, ASME, and EN, our products undergo rigorous in-house testing including PMI, Hardness, Hydrostatic, and Impact testing. We offer a variety of materials including stainless steel, carbon steel, and special alloys, with dimensions tailored to meet your project requirements. With a standard lead time of 2–4 weeks and no minimum order quantity, we are equipped to handle both urgent and bulk orders. Contact us for a quick quote or request a free sample MTC today!
| Material | Stainless Steel (SS 304/316) |
|---|---|
| Grades | ASTM A240, ASTM A312 |
| Standard | ASME B31.3, ASME B31.1 |
| Size Range | 2" to 48" (50 mm to 1200 mm) |
| Pressure Rating | Up to 1500 psi (103.4 bar) |
| Surface Finish | Ra 0.8 µm (32 µin) or better |
| End Connection | Welded, Flanged, or Threaded |
| Form | Cylindrical or Conical |
| Grade / UNS | Common Name | Key Feature | Typical Application |
|---|---|---|---|
| UNS N08800 | Inconel 800 | High temperature resistance up to 1200°F (650°C) | Used in high-temperature applications such as heat exchangers and pressure vessels |
| UNS N06600 | Inconel 600 | Excellent oxidation and corrosion resistance | Ideal for chemical processing and nuclear applications |
| UNS S30400 | Stainless Steel 304 | Good corrosion resistance and formability | Commonly used in food processing and pharmaceutical industries |
| UNS S31600 | Stainless Steel 316 | Enhanced corrosion resistance, especially in chloride environments | Used in marine applications and chemical processing |
| UNS C70600 | Copper Nickel 90/10 | Excellent resistance to seawater corrosion | Used in marine and offshore applications |
| Size / DN | Pressure Class | Wall Thickness | Length |
|---|---|---|---|
| 50 | 150 | 3.2 mm | 300 mm |
| 80 | 150 | 4.0 mm | 400 mm |
| 100 | 150 | 4.5 mm | 500 mm |
| 150 | 150 | 5.0 mm | 600 mm |
| 200 | 150 | 6.0 mm | 700 mm |
| 250 | 150 | 7.0 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 |
|---|---|---|---|
| Yield Strength | 350 | MPa | ASTM A240 |
| Ultimate Tensile Strength | 520 | MPa | ASTM E8/E8M |
| Elongation at Break | 25 | % | ASTM E8/E8M |
| Hardness | 180 | HB | ASTM E140 |
| Modulus of Elasticity | 210000 | MPa | ASTM E111 |
| 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·ft·°F) |
| Electrical Resistivity | 0.000001 Ω·m | 0.0000001 Ω·ft |
| Standard | Grade | UNS | Werkstoff Nr. | BS |
|---|---|---|---|---|
| ASTM | 304 | S30400 | 1.4301 | BS 1449 |
| ASTM | 316 | S31600 | 1.4401 | BS 1449 |
| ASME | Alloy 625 | N06625 | 2.4856 | BS 2901 |
At Ferro Fittings and Alloys, we ensure the highest quality by rigorously inspecting raw materials used for manufacturing Externally Pressurized Expansion Bellows. We source materials compliant with ASTM A240, ASME SA-240, and other relevant standards. Each batch undergoes Positive Material Identification (PMI) to verify the chemical composition, ensuring that only certified materials are used in production.
The forming and fabrication process involves advanced techniques such as hydroforming and welding, adhering to ASME B31.3 standards. Our skilled engineers fabricate bellows in various dimensions, typically ranging from 2" to 36" in diameter, with custom sizes available upon request. The tolerances maintained during fabrication are within ±0.5 mm, ensuring precise fit and function in applications.
| Process | Temperature (°C) | Medium | Purpose |
|---|---|---|---|
| Solution Treatment | 1050 | Air | To enhance ductility and reduce internal stresses |
| Stress Relieving | 650 | Air | To relieve residual stresses from welding and forming |
Our commitment to quality is demonstrated through extensive quality inspection and testing procedures, including Hydrostatic testing, Radiography, and Ultrasonic Testing (UT). Each Externally Pressurized Expansion Bellow is supplied with a Material Test Certificate (MTC) in accordance with EN 10204 3.1 or 3.2, ensuring compliance with international standards. We maintain stock for quick delivery, accommodating urgent orders with standard lead times of 2-4 weeks. Contact us for a quick quote or request a free sample MTC to experience our quality firsthand.
| Grade | Size / Dimension | Price (USD/Kg) | Price (INR/Kg) |
|---|---|---|---|
| ASTM A213 T22 | DN 50 - 150 mm / 2 - 6 inches | $12.50 | ₹1025 |
| ASTM A213 T22 | DN 200 - 300 mm / 8 - 12 inches | $11.00 | ₹902 |
| Inconel 625 | DN 50 - 150 mm / 2 - 6 inches | $25.00 | ₹2050 |
| Inconel 625 | DN 200 - 300 mm / 8 - 12 inches | $22.00 | ₹1800 |
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 Externally Pressurized Expansion Bellows Exporter from Ferro Fittings and Alloys. Contact us for prompt delivery at competitive prices.
Ferro Fittings and Alloys exports Externally Pressurized 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
