Black Painted Coated Pipes are a type of carbon steel or mild steel pipe coated with a protective layer of black paint. This coating enhances the pipe’s resistance to corrosion, weathering, and chemical exposure while providing an attractive black finish. These pipes are commonly used in structural, industrial, and plumbing applications where strength, durability, and cost-efficiency are essential. The black paint coating serves as a barrier that minimizes oxidation and rust formation, ensuring a longer lifespan. Riddhi Siddhi Impex, a leading metal products manufacturer and supplier in India, specializes in producing and supplying high-quality Black Painted Coated Pipes for a wide range of industrial uses..
The manufacturing process of Black Painted Coated Pipes involves precision engineering and strict quality control. High-grade carbon steel or mild steel pipes (such as ASTM A53 or A106) are used as the base material. The pipes are cleaned thoroughly to remove impurities, oil, and mill scale before being coated. A layer of protective black paint—usually based on epoxy or bituminous compounds—is uniformly applied through dipping, brushing, or spray coating methods. The pipes are then cured or heat-treated to ensure proper adhesion and a smooth, durable finish. This coating process provides additional protection against corrosion, making these pipes ideal for outdoor and industrial applications..
Black Painted Coated Pipes are used in a variety of industries and infrastructure projects. They are commonly applied in water supply systems, oil and gas pipelines, structural frameworks, fire-fighting systems, irrigation lines, and mechanical engineering applications. Their robust construction and rust-resistant surface make them suitable for both above-ground and underground installations. Additionally, they are widely used in construction for scaffolding, industrial piping, and general engineering works where strength and appearance are important..
One of the key benefits of Black Painted Coated Pipes is their excellent resistance to corrosion and environmental damage. The black paint layer acts as a shield, protecting the steel from moisture, air, and chemical exposure. This results in reduced maintenance costs and extended service life. Moreover, the black coating enhances the visual appeal of the pipes, giving them a clean, professional finish suitable for exposed applications. They are cost-effective, easy to handle, and can withstand high pressure and temperature variations, making them versatile for multiple industrial uses..
Riddhi Siddhi Impex is a reputed manufacturer, supplier, and exporter of Black Painted Coated Pipes in India. Headquartered in Mumbai, the company has built a strong reputation for delivering top-quality piping products that meet international standards. The company manufactures Black Painted Coated Pipes in various grades, diameters, and thicknesses to cater to different industrial needs. With advanced machinery, modern coating technology, and strict quality checks, Riddhi Siddhi Impex ensures that every product offers high performance, reliability, and long-lasting protection against corrosion..
| Product Name | Black Painted Coated Pipes |
|---|---|
| Manufacturer | Riddhi Siddhi Impex |
| Base Material | Carbon Steel / Mild Steel (ASTM A53 / A106 / API 5L) |
| Coating Type | Black Paint (Epoxy / Bituminous / Anti-Corrosive) |
| Standard | ASTM, ASME, API, IS, DIN |
| Size Range | 1/2” NB to 48” NB |
| Wall Thickness | Sch 20 to Sch 160 / XXS |
| Length | Single Random, Double Random, or Cut Lengths |
| Coating Thickness | 40 – 100 Microns (Customizable) |
| Pipe Ends | Plain End (PE), Beveled End (BE), Threaded |
| Form | Seamless, Welded, ERW, LSAW |
| Applications | Oil & Gas Pipelines, Water Supply, Structural Works, Fire-Fighting, Mechanical 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 |
| Property | Value |
|---|---|
| Tensile Strength | ≥ 415 MPa |
| Yield Strength (0.2% offset) | ≥ 240 MPa |
| Elongation | ≥ 20% |
| Hardness | ≤ 95 HRB |
| Impact Resistance | Excellent |
| Coating Adhesion | Strong Adhesion (Tested as per IS / ASTM Standards) |
| 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 |
| Standard | Grade |
|---|---|
| ASTM | A106 Grade B / A53 Grade B |
| API | 5L Grade B / X42 / X52 |
| EN | EN 10216 / EN 10224 |
| DIN | St 37.2 / St 52.3 |
| BS | 3601 / 3602 |
| Standard | Description |
|---|---|
| ASTM A106 / A53 | Specification for Carbon Steel Pipe for High-Temperature and Pressure Service |
| API 5L | Specification for Line Pipe |
| IS 1239 / IS 3589 | Black Painted Mild Steel Pipes for Industrial and Structural Use |
| DIN 17175 | Carbon Steel Pipes for Elevated Temperatures |
| Type | Description |
|---|---|
| 3LPE Coated Pipes | Three-layer polyethylene coated pipes for superior corrosion protection |
| FBE Coated Pipes | Fusion Bonded Epoxy coated pipes with high adhesion and chemical resistance |
| PP Coated Pipes | Polypropylene coated pipes for enhanced durability in high-temperature environments |
| Internal Epoxy Coated Pipes | Epoxy-coated interiors for smooth flow and reduced friction loss |
Riddhi Siddhi Impex supplies Black Painted Coated Pipes to various Indian domestic markets and industrial hubs. The company’s distribution network spans across Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, and Rajpipla. This extensive reach enables Riddhi Siddhi Impex to provide quick and efficient delivery of Black Painted Coated Pipes throughout India..
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