BB Infras is a globally recognized supplier, stockist and exporter of high-quality Pipes and Tubes for industrial, commercial and infrastructure use. Our product portfolio covers seamless pipes, ERW (electric resistance welded) pipes, welded pipes, fabricated / custom tubes, precision tube, and special alloy tubes supplied across oil & gas, petrochemical, power generation, pharmaceuticals, food & beverage, shipbuilding and water treatment applications.
We stock and supply Pipes and Tubes in a wide range of materials: Carbon Steel (ASTM A106, A53), Stainless Steel (304, 304L, 316, 316L, 321), Alloy Steels (e.g., 4130/4140, chrome-moly grades), Duplex & Super Duplex (2205 / 2507), Nickel alloys (Inconel 625/718), Hastelloy, Monel, copper & copper-alloys (C122, C110), brass, titanium, as well as non-metallics such as PVC, CPVC, UPVC and HDPE. This breadth enables BB Infras to match the correct pipe material to pressure, temperature and corrosive conditions in every project.

Our pipes are manufactured and tested to international standards including ASTM, ASME, API, EN, DIN and JIS. We provide full traceability and quality documentation (MTC EN 10204 3.1/3.2), PMI for exotic alloys, hydrostatic testing, dimensional inspection and NDT (RT/UT/DP) as required. BB Infras maintains significant stock in multiple schedules and OD/ID ranges to support urgent site requirements and large project deliveries.
Performance attributes such as corrosion resistance, weldability, tensile strength and pressure rating guide material selection — and our technical team assists customers in choosing the right pipe/tube type (seamless vs welded), grade and schedule for their service. For critical applications such as subsea lines, sour-service or high-temperature steam, we supply certified alloy or duplex/super-duplex pipes with appropriate heat treatment.
BB Infras offers value-added services including cutting to length, end-facing, threading, beveling, heat treatment, NDT, and special packaging for exports. Our logistics and export expertise ensures safe packing (wooden crates, steel strapping, cushioning) and complete export documentation for quick customs clearance and on-time deliveries worldwide.
| Item | Typical Standards / Range |
|---|---|
| Seamless Pipes | ASTM A106 / A53 / EN10216; NPS 1/8" to 48"; SCH 10–XXS |
| ERW / Welded Pipes | API 5L / ASTM A53 / EN10217; OD 16mm to 1219mm |
| Stainless Steel Tubes | ASTM A312, A213; TP304 / TP316; Seamless & Welded |
| Alloy & High Temp Tubes | ASTM A335 (P11, P22, P91), Inconel (ASTM B163/B423), Hastelloy |
| Copper & Copper-Alloy Tubes | ASTM B88, B111; C122, C110 |
| Plastic Pipes | PVC / CPVC (ASTM D1785/D2846), HDPE (ISO 4427) |
| Applications | Process piping, water supply, HVAC, fire protection, instrumentation, hydraulic, structural |
Representative typical compositions — use specific standards or MTC for exact limits.
| Material / Grade | C% | Cr% | Ni% | Mo% | Other |
|---|---|---|---|---|---|
| CS (ASTM A106 Gr. B) | ~0.30–0.35 | - | - | - | Mn, Si |
| SS 304 | ≤0.08 | 18–20 | 8–10.5 | - | Mn, Si |
| SS 316 | ≤0.08 | 16–18 | 10–14 | 2–3 | Mo addition |
| Alloy P91 (ASTM A335) | 0.08–0.12 | 0.5–1.5 | - | 0.5–1.0 | Cr/Mo/V |
| Inconel 625 | ≤0.1 | 20–23 | ≥58 | 8–10 (as Nb+Mo) | Nb, Mo |
| Copper (C110) | - | - | - | - | Cu ≥99.9% |
| HDPE | — | — | — | — | Polyethylene resin |
| Material | Tensile Strength (MPa) | Yield (MPa) | Elongation (%) |
|---|---|---|---|
| CS (A106 Gr B) | 415–585 | 205–310 | 20–25 |
| SS 304 | 520–750 | 205–310 | 40–60 |
| SS 316 | 520–720 | 205–310 | 40–60 |
| Alloy P91 | 600–800 | 350–500 | 15–25 |
| Inconel 625 | 800–1100 | 400–620 | 30–40 |
| Copper | 210–300 | 69–150 | 20–40 |
| HDPE | 20–30 (MPa, tensile) | — | ≥300 (elongation high) |
| Common Name | Typical Equivalents / Notes |
|---|---|
| CS A106 Gr B | ASTM A53 Gr B (similar for some uses), API 5L B (pipes) |
| SS304 | AISI 304 / UNS S30400 / EN 1.4301 |
| SS316 | AISI 316 / UNS S31600 / EN 1.4401 |
| P91 | EN/ASTM equivalents for high-temp steels (1.7357 family) |
| Inconel 625 | UNS N06625 |
| C110 Copper | UNS C11000 / CW004A |
| HDPE | PE100 / ISO 4427 grades depending on spec |
Sample OD and wall thickness (SCH) values. For design use ASME/API/EN tables or supplier MTO.
| Nominal Size (NPS) | Outside Diameter (mm) | SCH 40 Wall (mm) | SCH 80 Wall (mm) |
|---|---|---|---|
| 1/2" | 21.3 | 2.77 | 3.73 |
| 3/4" | 26.7 | 2.87 | 3.91 |
| 1" | 33.4 | 3.38 | 4.55 |
| 2" | 60.3 | 3.91 | 6.02 |
| 4" | 114.3 | 6.02 | 8.56 |
| 6" | 168.3 | 8.18 | 11.13 |
| 8" | 219.1 | 8.56 | 12.70 |
With competitive pricing, accredited suppliers and a customer-first approach, BB Infras is a preferred partner for OEMs, EPC contractors and distributors. Whether you require small quantities for maintenance or bulk shipments for major projects, we deliver consistent quality, technical support and reliable lead times.
Pipes and Tubes are essential components used in piping systems to ensure safe, leak-free, and efficient fluid or gas transfer across various industries. They connect, control, regulate, and support pipelines operating under different temperature and pressure conditions.
Pipes and Tubes are widely used in onshore and offshore drilling operations, refinery pipeline systems, gas distribution networks, and high-pressure fluid transfer. Their corrosion resistance and temperature tolerance make them ideal for harsh environments.
These fittings are crucial in chemical processing plants, acid/alkali lines, solvent transfer systems, and hazardous chemical handling. Materials are selected based on corrosion resistance and compatibility with chemicals.
Pipes and Tubes are used in boiler lines, steam pipelines, turbine systems, and cooling water networks. They withstand high pressure and extreme temperatures in thermal, nuclear, and renewable energy plants.
Applications include RO systems, filtration units, pumping stations, and municipal water supply lines. Fittings provide durability, corrosion resistance, and long-term leak-proof performance.
Stainless steel sanitary fittings ensure hygienic flow in dairy units, breweries, beverage manufacturing, and food processing systems. They prevent contamination and meet high hygiene standards.
Pipes and Tubes are used in cleanroom piping, purified water systems, drug manufacturing units, and sterile processing operations. They comply with GMP and maintain contamination-free fluid handling.
Used in firefighting systems, HVAC networks, plumbing systems, and building pipelines. Pipes and Tubes ensure reliable flow and structural stability across large infrastructure projects.
Marine-grade fittings are used in seawater pipelines, ballast systems, and fuel/oil transfer lines. They offer high resistance to corrosion in saltwater environments.
Essential for fuel injection lines, hydraulic systems, coolant pipelines, and high-pressure circuits. They withstand vibration, heat, and pressure fluctuations in vehicles and aircraft.
Pipes and Tubes are used in slurry pipelines, ore processing systems, and high-abrasion environments. Alloy steel fittings provide strength, wear resistance, and durability.
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