Manufacturer, Supplier & Exporter of Coal Tar Enamel (CTE) Coated Pipes
Riddhi Siddhi Impex is a leading manufacturer and supplier of high-quality steel pipes in India, specializing in coated pipes such as Coal Tar Enamel (CTE) Coated Pipes. With years of expertise in carbon steel pipe production, the company ensures that its CTE coated pipes meet stringent quality standards and provide long-lasting corrosion protection for pipelines exposed to underground, submerged, or industrial environments..
Coal Tar Enamel coated pipes are carbon steel pipes whose outer surfaces are coated with a layer of coal tar enamel to protect against corrosion caused by soil, moisture, and environmental chemicals. This coating enhances the durability of the pipe, making it ideal for oil and gas pipelines, water supply lines, sewage systems, and industrial applications where longevity and reliability are critical.
Riddhi Siddhi Impex manufactures CTE coated pipes in a wide range of sizes and thicknesses, including seamless, welded, ERW, and LSAW forms. The coating is applied with precision to ensure uniform adhesion and coverage, providing a protective barrier that extends the operational life of pipelines and reduces maintenance requirements. The pipes comply with national and international standards, ensuring they meet the technical and safety needs of diverse industrial applications..
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The company’s domestic supply network covers major cities across India, 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, Narmada, Ankleshwar, Navsari, Valsad, and Rajpipla. This extensive network ensures timely delivery of CTE coated pipes to both metropolitan and remote industrial locations...
CTE coated pipes supplied by Riddhi Siddhi are highly reliable for underground installations due to their superior resistance to external corrosion. The coal tar enamel forms a continuous, protective layer that shields the carbon steel from moisture, soil acidity, and other corrosive elements. This makes them particularly suitable for oil and gas, water transmission, and wastewater pipelines where long-term durability is crucial..
Coal Tar Enamel (CTE) Coated Pipes
Specification
| Product Name | Coal Tar Enamel (CTE) Coated Pipes |
|---|---|
| Manufacturer | Riddhi Siddhi Impex |
| Base Material | Carbon Steel (IS 1239 / ASTM A53 / API 5L) |
| Coating Material | Coal Tar Enamel (CTE) – External Protective Layer |
| Standard | IS 10221 / ASTM / API / ISO |
| Size Range | 1/2” NB to 48” NB |
| Wall Thickness | Sch 20 to Sch 160 / XXS |
| Length | Single Random, Double Random, or Cut Lengths |
| Pipe Ends | Plain End (PE), Beveled End (BE), or Threaded |
| Form | Seamless, Welded, ERW, or LSAW |
| Applications | Oil & Gas Pipelines, Water Supply, Sewage, Chemical Transport, Underground Pipelines |
Chemical Composition (Base Carbon Steel)
| 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 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 415 MPa |
| Yield Strength (0.2% offset) | ≥ 240 MPa |
| Elongation | ≥ 20% |
| Hardness | ≤ 95 HRB |
| Impact Resistance | Excellent (Due to CTE Coating) |
| Coating Adhesion | Strong Adhesion per IS 10221 / ISO 21809 |
Dimension Chart (Nominal)
| Nominal Pipe Size (NB) | Outside Diameter (mm) | Wall Thickness (mm) | Length |
|---|---|---|---|
| 1/2" | 21.3 | 2.77 | Up to 12 m |
| 1" | 33.4 | 3.38 | Up to 12 m |
| 2" | 60.3 | 3.91 | Up to 12 m |
| 4" | 114.3 | 6.02 | Up to 12 m |
| 6" | 168.3 | 7.11 | Up to 12 m |
| 10" | 273.1 | 9.27 | Up to 12 m |
| 16" | 406.4 | 12.70 | Up to 12 m |
Equivalent Grades
| Standard | Grade |
|---|---|
| ASTM | A53 Grade B / A106 Grade B |
| API | 5L Grade B / X42 / X52 |
| EN | EN 10216 / EN 10224 |
| DIN | St 37.2 / St 52.3 |
| IS | IS 1239 / IS 3589 |
Equivalent Standards
| Standard | Description |
|---|---|
| IS 10221 | Coal Tar Enamel Coating of Steel Pipes for Underground Pipelines |
| ASTM A53 / A106 | Standard Specification for Carbon Steel Pipes |
| API 5L | Specification for Line Pipe |
| ISO 21809 | External Protective Coatings for Buried or Submerged Pipelines |
Other Types of Coated Steel Pipes
| Type | Description |
|---|---|
| Bitumen Coated Pipes | Steel pipes coated with bitumen for underground and corrosion protection applications |
| FBE Coated Pipes | Fusion Bonded Epoxy coating for corrosion resistance and superior adhesion |
| 3LPE Coated Pipes | Three-layer polyethylene coated pipes for enhanced corrosion protection |
| Internal Epoxy Coated Pipes | Epoxy-coated internal surfaces for smooth fluid flow and corrosion prevention |
In addition to corrosion protection, these pipes offer ease of handling and installation. The coating process ensures smooth surfaces, preventing adhesion of soil or debris, and minimizing friction during transportation and laying. Riddhi Siddhi Impex also provides options for customized lengths, diameters, and coating thicknesses, allowing clients to select specifications based on project requirements and local environmental conditions..
Frequently Asked Questions (FAQs)
- Q1: What are Coal Tar Enamel (CTE) Coated Pipes used for?
- A1: They are primarily used for underground pipelines, oil and gas transportation, water supply, sewage, and industrial chemical pipelines requiring corrosion protection.
- Q2: Can CTE Coated Pipes be customized?
- A2: Yes, Riddhi Siddhi Impex offers CTE coated pipes in customized sizes, wall thicknesses, lengths, and coating specifications based on project requirements.
- Q3: Are these pipes suitable for all soil types?
- A3: Yes, CTE coating provides excellent protection against corrosive soils, moisture, and underground environmental conditions.
- Q4: Which Indian cities are covered for supply?
- A4: Supply is available across major cities including Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, and many more.
Cities we have supplied our products to
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(CTE) Coated PipesSuplier in Amritsar, Coal Tar Enamel (CTE) Coated PipesSuplier in Chandigarh, Coal Tar Enamel (CTE) Coated PipesSuplier in Mysuru (Mysore), Coal Tar Enamel (CTE) Coated PipesSuplier in Udaipur, Coal Tar Enamel (CTE) Coated PipesSuplier in Jodhpur, Coal Tar Enamel (CTE) Coated PipesSuplier in Visakhapatnam, Coal Tar Enamel (CTE) Coated PipesSuplier in Coimbatore, Coal Tar Enamel (CTE) Coated PipesSuplier in Madurai, Coal Tar Enamel (CTE) Coated PipesSuplier in Kochi, Coal Tar Enamel (CTE) Coated PipesSuplier in Thiruvananthapuram, Coal Tar Enamel (CTE) Coated PipesSuplier in Mangalore, Coal Tar Enamel (CTE) Coated PipesSuplier in Nagpur, Coal Tar Enamel (CTE) Coated PipesSuplier in Nashik, Coal Tar Enamel (CTE) Coated PipesSuplier in Kolhapur, Coal Tar Enamel (CTE) Coated PipesSuplier in Chandrapur, Coal Tar Enamel (CTE) Coated PipesSuplier in Akola, Coal Tar Enamel (CTE) Coated PipesSuplier in Vilayat, Coal Tar Enamel (CTE) Coated PipesSuplier in Somnath, Coal Tar 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Countries we have supplied our products to
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