In its pan-India distribution network, Riddhi Siddhi Impex strategically positions its supply of 3LPE coated pipes across major urban and industrial hubs such as Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru, Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Ankleshwar, Navsari and Valsad. This widespread coverage ensures that clients in both metropolitan and secondary cities benefit from local availability, reduced logistics lead-times and faster project rollout. Riddhi Siddhi Impex leverages its manufacturing base, stock-holding strategy and supply-chain partners to cater to oil & gas pipelines, water-transmission networks, industrial installations and infrastructure projects across these varied geographies..
Clients choosing Riddhi Siddhi Impex’s 3LPE coated pipe offering gain access to a system certified for high durability and corrosion-resistance: the three-layer structure (fusion-bonded epoxy + copolymer adhesive + polyethylene top coat) anchors the pipe’s outer surface from soil, moisture and mechanical damage. According to industry data, 3LPE coating is appropriate for service temperatures up to ~75-80 °C and complies with international standards such as DIN 30670, CSA Z245.21 and ISO 21809-1. In practical terms this translates into long-service life (often exceeding 30-50 years), lower maintenance cost and suitability for buried or submerged pipelines. Riddhi Siddhi Impex positions itself as a turnkey domestic supplier capable of delivering in large volumes to these Indian cities, aligning with the national infrastructure drive and regional distribution needs..
Riddhi Siddhi Impex has established a robust domestic network for supplying 3LPE Coated Pipes (Three Layer Polyethylene Coated) across India, ensuring consistent product availability and reliable delivery. The company serves a wide range of cities including Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru, Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Ankleshwar, Navsari, Valsad, Rajpipla, and Narmada. This extensive reach allows the company to provide prompt and efficient service to clients involved in infrastructure, oil & gas, petrochemical, and water transmission sectors. Each city branch and distribution point is supported by a strong logistics framework, ensuring quick turnaround times and reduced project downtime for customers..
By offering 3LPE Coated Pipes, Riddhi Siddhi Impex contributes significantly to India’s growing infrastructure and energy sectors. These pipes are highly regarded for their three-layer corrosion protection system—comprising an inner layer of Fusion Bonded Epoxy (FBE) for adhesion and corrosion resistance, a copolymer adhesive layer for strong bonding, and an outer layer of Polyethylene (PE) for mechanical protection. This structure ensures the pipes perform exceptionally well in aggressive soil and environmental conditions. The company’s 3LPE coated pipes meet international standards such as ISO 21809, DIN 30670, and CSA Z245.21, making them suitable for a variety of domestic and export applications. As a leading domestic supplier, Riddhi Siddhi Impex continues to expand its distribution footprint, offering high-quality products and technical expertise that support sustainable and long-term pipeline performance throughout India’s industrial and municipal projects..
The manufacturing process of Riddhi Siddhi Impex’s 3LPE Coated Pipes follows strict quality assurance standards, ensuring durability and performance under various operating conditions. The process begins with surface cleaning and shot blasting to remove any contaminants or oxidation from the steel surface. A Fusion Bonded Epoxy (FBE) primer is then applied electrostatically to create an anti-corrosive base layer. Next, a copolymer adhesive layer is applied to ensure perfect bonding between the FBE and the final outer layer of polyethylene (PE), which provides resistance to mechanical stress, abrasion, and environmental impacts. This meticulous coating process ensures excellent adhesion, superior corrosion protection, and extended service life for pipelines used in critical industries such as oil & gas, water transmission, and chemical processing..
| Specification | Details |
|---|---|
| Product Name | 3LPE Coated Pipes (Three Layer Polyethylene Coated) |
| Coating Layers | Fusion Bonded Epoxy (FBE), Copolymer Adhesive, Polyethylene (PE) |
| Coating Thickness | 1.8 mm to 3.5 mm (as per project requirements) |
| Pipe Material | Carbon Steel / Mild Steel / Alloy Steel / Stainless Steel |
| Pipe Ends | Plain End, Beveled End, Threaded |
| Standard Length | Up to 12 Meters (Custom lengths available) |
| Application | Oil & Gas, Water Transmission, Chemical Transport, Industrial Piping |
| Element | Percentage (%) |
|---|---|
| Carbon (C) | 0.17 – 0.25 |
| Manganese (Mn) | 0.30 – 1.20 |
| Phosphorus (P) | ≤ 0.040 |
| Sulphur (S) | ≤ 0.040 |
| Silicon (Si) | 0.10 – 0.35 |
| Property | Value |
|---|---|
| Tensile Strength | 415 – 600 MPa |
| Yield Strength | ≥ 240 MPa |
| Elongation | ≥ 20% |
| Hardness | ≤ 250 HB |
| Impact Resistance | High – Excellent adhesion and flexibility |
| Nominal Pipe Size (NPS) | Outside Diameter (mm) | Wall Thickness (mm) | Approx. Weight (kg/m) |
|---|---|---|---|
| 1/2" | 21.3 | 2.8 | 1.27 |
| 1" | 33.4 | 3.4 | 2.54 |
| 2" | 60.3 | 3.9 | 5.45 |
| 4" | 114.3 | 6.0 | 13.50 |
| 6" | 168.3 | 7.1 | 23.30 |
| 10" | 273.1 | 9.3 | 56.50 |
| Indian Standard (IS) | Equivalent ASTM | Equivalent DIN | Equivalent API |
|---|---|---|---|
| IS 3589 / IS 1978 | ASTM A106 / A53 | DIN 1629 / DIN 2448 | API 5L (Gr. A, B, X42, X52) |
| Standard | Description |
|---|---|
| DIN 30670 | Polyethylene Coatings for Steel Pipes |
| ISO 21809-1 | External Coatings for Buried/Submerged Pipelines |
| CSA Z245.21 | Plant-Applied External Polyethylene Coating |
| Type | Description |
|---|---|
| 2LPE Coated Pipes | Two-Layer Polyethylene Coating for moderate corrosion protection. |
| 3LPP Coated Pipes | Three-Layer Polypropylene Coating suitable for higher temperature applications. |
| FBE Coated Pipes | Single-layer Fusion Bonded Epoxy Coating for corrosion resistance. |
| Cement Lined Pipes | Internal cement lining used for water and sewage systems. |
Riddhi Siddhi Impex is known for maintaining stringent quality control across every stage of production, from raw material procurement to final inspection and dispatch. Each batch of 3LPE coated pipes is tested for coating thickness, adhesion strength, impact resistance, and cathodic disbondment to ensure full compliance with both domestic and international standards. These rigorous tests guarantee that every pipe performs reliably in challenging terrains — whether buried underground, submerged in water, or exposed to harsh industrial environments. The company’s quality-first approach has made it a trusted name in cities such as Mumbai, Ahmedabad, Surat, Hyderabad, Bengaluru, and Chennai, where infrastructure and energy development demand world-class piping solutions..
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