Oil & Gas
Pipes Supplier
India
API 5L · ASTM A106 · IS 3589 certified seamless, ERW & LSAW pipes in carbon steel, stainless steel, alloy steel & duplex grades. Sizes ½″ to 72″. PAN India delivery from Noida, UP.
What Are Oil & Gas Pipes?
Pipes are the backbone of the oil and gas industry, designed to transport fluids like crude oil, natural gas, water, steam and chemicals across upstream, midstream and downstream systems. Built to withstand extreme pressure, temperature and corrosive conditions, the right pipe grade is critical to plant safety and regulatory compliance.
At Petropipe Oil & Gas, we supply a comprehensive range of API & ASTM certified pipes — seamless, ERW and LSAW — in carbon steel, stainless steel, alloy steel, duplex, super-duplex and specialty grades. Every pipe ships with full Mill Test Certificate (MTC) documentation and third-party inspection reports.
Based in Noida, UP, we deliver PAN India — from GIDC Vatva to Navi Mumbai, from IOCL Panipat to HPCL Vizag. Available in standard 6m & 12m lengths with custom cut lengths on request.
Seamless Pipes
No weld seam — ideal for high-pressure applications up to SCH 160.
ERW / LSAW Pipes
Welded pipes for large diameters and cost-sensitive projects.
Coated Pipes
FBE, 3LPE & 3LPP coatings for buried & offshore corrosion protection.
Full MTC & TPI
100% traceability — chemical, mechanical & hydrostatic test reports.
Types of Pipes We Supply
From upstream wellheads to refinery process lines — every certified pipe grade for every application.
Carbon Steel Pipes
Iron & carbon alloy pipes — the most widely used in oil & gas. High strength, cost-effective, available in seamless & ERW. Sizes ½″ to 48″.
Stainless Steel Pipes
Steel with chromium — excellent corrosion resistance for offshore platforms, water systems, food-grade & chemical service. Grades 304, 304L, 316, 316L.
Alloy Steel Pipes
Chrome-moly steel with Cr, Mo, Ni additives. Ideal for high-temperature service in boilers, power plants & refineries. IBR approved grades available.
Duplex / Super Duplex
Dual-phase microstructure — combines strength of ferritic with corrosion resistance of austenitic. For offshore, sour gas & high-chloride environments.
Nickel Alloy Pipes
Nickel-chromium alloys for extreme corrosive environments. Hastelloy C276, Inconel 625, Monel 400 for chemical processing & sour gas service.
Coated / Lined Pipes
FBE (Fusion Bonded Epoxy), 3LPE & 3LPP coated pipes for buried cross-country pipelines. Concrete weight-coated for offshore. Internal lining for chemical service.
PVC / HDPE Pipes
Lightweight, corrosion-free plastic pipes for saltwater disposal, produced water lines, cooling water & low-pressure chemical service. Easy installation.
Boiler Tubes
Seamless carbon & alloy steel tubes for superheaters, reheaters, economisers & water walls in thermal power plants & refinery heaters. IBR registered.
Pipe Specifications & Standards
Comprehensive material grades, size ranges and applicable certifications for every pipe type we supply.
| Pipe Type | Material | Size Range | Primary Applications | Key Advantages | Certifications |
|---|---|---|---|---|---|
| Carbon Steel | Iron & Carbon Alloy | ½″ – 48″ | Crude oil, natural gas transport, refineries | High strength, cost-effective, widely available | API 5LASTM A106ASTM A53 |
| Stainless Steel | Steel + Chromium (18%) | ¼″ – 36″ | Offshore, water systems, chemical service | Superior corrosion resistance, hygienic | ASTM A312ASTM A358 |
| Alloy Steel | Cr, Mo, Ni additions | ½″ – 24″ | High-temperature refinery & power plant | Heat & creep resistance, IBR approval | ASTM A335IBR |
| Duplex SS | Austenitic + Ferritic | ½″ – 24″ | Offshore, sour gas, high chloride | High strength, NACE compliant | ASTM A790NACE MR0175 |
| Nickel Alloy | Ni-Cr alloy | ½″ – 12″ | Chemical processing, extreme corrosion | Superior corrosion & heat resistance | ASTM B163ASTM B444 |
| Coated (FBE/3LPE) | CS with polymer coating | 4″ – 72″ | Buried cross-country pipelines | External corrosion protection, long life | API 5LDIN 30670 |
| PVC / HDPE | Thermoplastic polymer | ½″ – 24″ | Saltwater disposal, cooling water | Lightweight, corrosion-free, low cost | ASTM D1785IS 4985 |
| Boiler Tubes | CS / AS seamless | ⅛″ – 4″ | Power plant boilers, refinery furnaces | High-temp service, IBR registered | ASTM A179IBR |
Manufacturing Processes
Understanding how pipes are manufactured helps select the right type for your pressure, temperature and budget requirements.
Seamless (SMLS)
Extruded or pierced from a solid steel billet — no weld seam. Provides the highest pressure-bearing capability and uniform mechanical properties. Preferred for high-pressure refinery lines, boiler tubes and offshore risers. Available in all schedules up to SCH 160 / XXH.
Electric Resistance Welded (ERW)
Steel strip rolled into a tube and longitudinally seam-welded using electrical resistance. Cost-effective for standard pressure applications — distribution pipelines, structural use & general industrial service. Sizes up to 16″ typically.
Longitudinal SAW (LSAW)
Heavy steel plates bent & welded with submerged arc welding. Used for large diameter, thick-wall cross-country pipelines — Grades X52 to X70 for natural gas & crude oil transmission. Wall thickness up to 40mm available.
Where Our Pipes Are Used
From wellheads to chemical plants — Petropipe pipes power every sector of India's energy infrastructure.
Upstream — Exploration & Production
API 5L X52–X65 SMLS pipes for wellhead connections, flowlines, gathering lines & production manifolds in ONGC, Oil India & private E&P fields across India.
Midstream — Cross-Country Pipelines
API 5L X60/X65/X70 LSAW & FBE-coated pipes for GAIL, GSPL, IOCL & HPCL cross-country crude oil, natural gas & product pipeline projects across India.
Downstream — Refineries & Petrochemicals
ASTM A106 Gr.B, A335 P5/P11/P22, A312 SS 316 pipes for process piping in IOCL, HPCL, BPCL, Reliance & Nayara refinery & petrochemical plant projects.
Offshore & LNG
Duplex SS, 6Mo & corrosion-resistant alloy (CRA) pipes for ONGC offshore platforms, LNG terminals & FSRU applications with NACE MR0175 compliance.
Power Generation
IBR-approved ASTM A179/A192 boiler tubes, A335 P91 steam lines & CS pipes for NTPC, Adani Power, Tata Power thermal & gas-based power plant projects.
Standard Sizes & Wall Schedules
All standard ASME B36.10M & B36.19M sizes available. Custom lengths and special wall thicknesses on request.
Common NPS × Schedule Reference
| NPS (Inch) | OD (mm) | SCH 40 WT | SCH 80 WT | SCH 160 WT |
|---|---|---|---|---|
| ½″ | 21.3 | 2.77 mm | 3.73 mm | 4.78 mm |
| 1″ | 33.4 | 3.38 mm | 4.55 mm | 6.35 mm |
| 2″ | 60.3 | 3.91 mm | 5.54 mm | 8.74 mm |
| 4″ | 114.3 | 6.02 mm | 8.56 mm | 13.49 mm |
| 6″ | 168.3 | 7.11 mm | 10.97 mm | 18.26 mm |
| 8″ | 219.1 | 8.18 mm | 12.70 mm | 23.01 mm |
| 10″ | 273.1 | 9.27 mm | 15.09 mm | 28.58 mm |
| 12″ | 323.9 | 9.53 mm | 17.48 mm | 33.32 mm |
API 5L Grade Reference Chart
| API 5L Grade | SMYS (MPa) | UTS (MPa) | Typical Use |
|---|---|---|---|
| Gr. B | 245 | 415 | General oil & gas |
| X42 | 290 | 415 | Low-pressure pipelines |
| X52 | 360 | 460 | Distribution pipelines |
| X56 | 390 | 490 | Trunk & distribution |
| X60 | 415 | 520 | Gas transmission |
| X65 | 450 | 535 | High-pressure gas lines |
| X70 | 485 | 570 | Long-distance pipelines |
| X80 | 555 | 625 | Deepwater & offshore |
Certifications & Standards
Every Petropipe pipe order ships with full documentation package and third-party inspection reports.
API 5L
American Petroleum Institute specification for seamless & welded line pipes. Covers Grades B, X42 through X80. PSL 1 & PSL 2 available with full chemical & mechanical property compliance.
ASTM A106 / A53
Seamless carbon steel pipe for high-temperature service (A106) and standard grade welded & seamless pipe (A53). Grades A & B. Hydrostatic test required on every piece.
IS 3589 / IS 1239
Bureau of Indian Standards specifications for steel pipes. Mandatory for government tenders, PSU procurement & CGD projects in India. Grades Fe330, Fe410, Fe490 available.
ASTM A312 / A335
Stainless steel pipe (A312) in austenitic grades 304/316/321. Alloy steel pipe (A335) in chrome-moly grades P1, P5, P9, P11, P22 & P91 for high-temp service.
IBR — Indian Boiler Regulations
IBR Form III-C stamped pipes for steam service, superheaters & boiler applications in India. Applicable to A335 P11/P22/P91 and A179/A192 boiler tubes. IBR certificate issued with each supply.
NACE MR0175 / ISO 15156
Sour service material requirements for H₂S environments. Applicable to CS, SS, duplex & CRA pipes for ONGC sour gas fields, LNG terminals & offshore applications.
Why Choose Petropipe for Pipes?
India's procurement managers and project engineers choose Petropipe because we go beyond just supplying pipe — we deliver certainty.
100% MTC Traceability
Every pipe length traceable to mill heat number. Chemical, mechanical & hydrostatic test reports. TPI available on request. Zero documentation gaps.
PAN India Delivery
Warehousing in Noida, Gujarat & Mumbai. Door-to-site delivery across all Indian states. ODC & flatbed transport for large-diameter pipes. Express 24hr dispatch for in-stock material.
Best-in-Market Pricing
Direct mill relationships across SAIL, JSW, APL Apollo, Tenaris & international mills enable highly competitive pricing. Volume discount structure available for bulk and AMC orders.
Technical Expertise
Our engineers help select the right grade, schedule and standard for your service conditions — pressure class, temperature rating, corrosion allowance and code compliance review at no extra cost.
MTO-Based Kitting
Supply entire piping MTO kitted by isometric / tag — reducing site handling and procurement complexity for EPC projects across India.
Get Pipe Quote
Fill below — response within 2 business hours.
Pipeline Maintenance Best Practices
Proper maintenance extends pipe life and ensures regulatory compliance for Indian oil & gas operators.
Regular Inspection
Schedule periodic visual & NDT inspections (UT, RT, MT, PT) for wall thickness, corrosion pitting and weld integrity. Comply with OISD-GDN-141 & ASME B31.3 in-service inspection requirements.
Coating & Corrosion Protection
Apply FBE, epoxy or polyurethane coatings for buried pipes. Use cathodic protection systems for underground and offshore lines. Inspect holiday coating defects annually with DC spark tester.
Pipeline Pigging & Cleaning
Run intelligent pigs (MFL, UT) for inline corrosion mapping and debris removal. Chemical cleaning using scale inhibitors & biocide injection for water-flooded lines. Comply with OISD-STD-102.
Pressure Testing
Hydrostatic pressure testing at 1.5× MAWP before commissioning new lines. Pneumatic testing with nitrogen for sensitive systems. Document and retain test records for PESO & statutory compliance in India.
Complete Your Piping System
Petropipe supplies every component your piping system needs — from pipes to the connecting flanges, valves and fittings.
Flanges
ASME B16.5 weld neck, slip-on, blind & socket weld flanges. Class 150–2500.
Pipe Fittings
ASME B16.9 elbows, tees, reducers, caps in BW, SW & threaded ends.
Industrial Valves
API 600/6D gate, ball, globe, check & butterfly valves. Class 150–2500.
Gaskets & Fasteners
RTJ, SWG, sheet gaskets & A193 B7 stud bolts for all flange classes.
Ready to Source Your Pipe Requirements?
Get competitive quotes for API 5L, ASTM A106 & IS 3589 pipes — with full MTC documentation and PAN India delivery. Send us your MTO today.