Riddhi Siddhi Impex is a trusted name in the steel pipe industry, known for its innovation and quality-driven manufacturing practices. As a leading manufacturer, exporter, and supplier of FBE + PE Dual Coated Pipes in India, the company provides advanced corrosion protection solutions for critical pipeline applications. These pipes combine the exceptional adhesion and anti-corrosion properties of Fusion Bonded Epoxy (FBE) with the mechanical strength and impact resistance of Polyethylene (PE) outer coatings, making them a preferred choice in oil, gas, and water transportation systems..
The FBE + PE Dual Layer Coated Carbon Steel Pipes offered by Riddhi Siddhi Impex are engineered to provide long-term protection in buried or submerged conditions. The FBE layer acts as a strong bonding primer that ensures excellent adhesion to the steel surface and protects against corrosion, chemicals, and moisture. The outer PE layer, applied through extrusion, provides additional mechanical strength, abrasion resistance, and UV stability, making this dual-layer coating ideal for harsh environmental conditions.
Each pipe undergoes stringent surface preparation, including abrasive blasting and cleaning, to ensure proper adhesion of the coating. The fusion-bonded epoxy layer is then applied electrostatically, followed by the polyethylene layer for added mechanical protection. This combination creates a seamless and high-performance coating system that enhances the service life of steel pipelines while maintaining the integrity of the structure even in aggressive soil or marine environments..
Riddhi Siddhi Impex manufactures FBE + PE Dual Coated Pipes in accordance with international standards such as ISO 21809, DIN 30670, ASTM, and API 5L. The company produces these pipes in multiple grades, including ASTM A106, A53, and API 5L (Grades B, X42, X52, X60, X65, and higher). Available in a wide range of sizes—from ½” NB to 120” NB—these pipes are suitable for diverse applications like oil and gas pipelines, water supply projects, sewage systems, chemical transportation, and offshore structural works..
These dual-layer coated pipes deliver multiple benefits, such as high corrosion resistance, enhanced impact strength, excellent adhesion, and superior insulation properties. The combination of FBE and PE coatings offers outstanding resistance to cathodic disbondment, ensuring long-lasting pipeline performance even in humid or saline environments. The external polyethylene coating also provides flexibility and superior crack resistance, protecting pipelines from soil stress and temperature variations..
| Product Name | FBE + PE Dual Coated Carbon Steel Pipes |
|---|---|
| Manufacturer | Riddhi Siddhi Impex |
| Base Material | Carbon Steel (ASTM A106 / A53 / API 5L) |
| Coating System | Inner Layer: Fusion Bonded Epoxy (FBE) + Outer Layer: Polyethylene (PE) |
| Coating Method | Electrostatic Fusion Bonded Epoxy followed by PE Extrusion Coating |
| Standard | ISO 21809 / DIN 30670 / ASTM / API |
| Size Range | 1/2” NB to 120” NB |
| Wall Thickness | Sch 20 to Sch 160 / XXS / Custom |
| Length | Single Random, Double Random, or Custom Cut Lengths |
| FBE Coating Thickness | 150 – 450 Microns |
| PE Coating Thickness | 1.8 mm to 3.5 mm |
| Pipe Ends | Plain End (PE), Beveled End (BE), or Threaded |
| Form | Seamless, Welded, ERW, LSAW, HSAW |
| Applications | Oil & Gas Pipelines, Water Supply Lines, Chemical Transport, Marine Pipelines, Underground Systems |
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.23 Max |
| Manganese (Mn) | 0.30 – 1.06 |
| Phosphorus (P) | 0.05 Max |
| Sulfur (S) | 0.045 Max |
| Silicon (Si) | 0.10 – 0.35 |
| Copper (Cu) | 0.40 Max |
| Nickel (Ni) | 0.40 Max |
| Chromium (Cr) | 0.40 Max |
| Vanadium (V) | 0.08 Max |
| Property | Value |
|---|---|
| Tensile Strength | ≥ 415 MPa |
| Yield Strength (0.2% offset) | ≥ 240 MPa |
| Elongation | ≥ 20% |
| Hardness | ≤ 95 HRB |
| Impact Resistance | Excellent (Due to Dual Layer Coating) |
| Adhesion Strength | High per ISO 21809 / DIN 30670 |
| Temperature Resistance | -40°C to +110°C Continuous Service |
| Nominal Pipe Size (NB) | Outside Diameter (mm) | Wall Thickness (mm) | Total Coating Thickness (FBE + PE) | Length |
|---|---|---|---|---|
| 2" | 60.3 | 3.91 | 2.0 – 3.0 mm | Up to 12 m |
| 4" | 114.3 | 6.02 | 2.2 – 3.5 mm | Up to 12 m |
| 6" | 168.3 | 7.11 | 2.5 – 4.0 mm | Up to 12 m |
| 10" | 273.1 | 9.27 | 3.0 – 4.5 mm | Up to 12 m |
| 12" | 323.9 | 9.52 | 3.5 – 5.0 mm | Up to 12 m |
| 16" | 406.4 | 12.70 | 4.0 – 6.0 mm | Up to 12 m |
| 20" | 508.0 | 14.27 | 5.0 – 7.0 mm | Up to 12 m |
| Standard | Grade |
|---|---|
| ASTM | A106 Grade B / A53 Grade B |
| API | 5L Grade B / X42 / X52 / X60 / X65 |
| EN | EN 10216 / EN 10224 |
| DIN | St 37.2 / St 52.3 / StE 360.7 |
| BS | 3601 / 3602 |
| Standard | Description |
|---|---|
| API 5L | Specification for Line Pipe used in oil, gas, and water transportation |
| ISO 21809-1 | External Coatings for Buried or Submerged Steel Pipelines – FBE and PE Systems |
| DIN 30670 | Polyethylene Coating for Steel Pipes |
| ASTM A106 / A53 | Specification for Seamless and Welded Carbon Steel Pipes |
| EN 10224 | Steel Pipes for Pressure and Non-Pressure Applications |
| Type | Description |
|---|---|
| 3LPE Coated Pipes | Three-layer polyethylene coating for superior corrosion protection |
| 3LPP Coated Pipes | Three-layer polypropylene coating for high-temperature performance |
| FBE Coated Pipes | Single-layer fusion bonded epoxy coating for corrosion resistance |
| Epoxy + PU Dual Coated Pipes | Dual coating system combining epoxy and polyurethane for enhanced strength |
| Cement Coated Pipes | Cement mortar coated steel pipes for mechanical protection in underwater projects |
Riddhi Siddhi Impex has established itself as a reliable domestic supplier of FBE + PE Dual Coated Pipes across major Indian industrial hubs. The company supplies to Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Jaipur, Indore, Bhopal, Lucknow, Kanpur, Agra, Varanasi, Amritsar, Chandigarh, Mysuru, Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, and Rajpipla. The company’s strong logistics and warehousing network ensures timely delivery to project sites nationwide..
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