API 5L Comprehensive Guide, API 5L Steel Pipe China Suppliers

03, Mar. 2026

 

API 5L Comprehensive Guide, API 5L Steel Pipe China Suppliers

You’ve likely heard of the API 5L standard for steel pipes. As one of the most widely applied specifications, UNIACERO Steel Pipe Manufacturer is your go-to source for purchasing exceptional quality API 5L steel pipes. Clients usually come to us after running into issues with previous suppliers, backed by a professional technical team and state-of-the-art production equipment. Here, you’ll find exceptional API 5L steel pipes. These pipes are frequently used in global oil and gas projects, oil pipelines, and energy infrastructure. Continue reading to discover the manufacturing processes behind API 5L steel pipes, why they are so widely applied, and their key characteristics and advantages.API 5L is a standard established by the American Petroleum Institute (API). This organization has long served the oil and gas industry, and the standard itself carries a strong practical orientation. In many international projects, API 5L functions as a “common baseline.” Designers, purchasers, and manufacturers all base their work around it. You will find that the provisions of API 5L do not pursue complex expressions. Its focus consistently revolves around materials, manufacturing, and inspection.When buyers talk about API 5L, the conversation usually doesn’t start with grades or pipe size. It starts with risk.In real projects, purchasers care about three things more than anything else.
  • What the steel is made of.
  • How the pipe is produced.
  • How the factory proves it did everything right.
These elements directly impact pipeline performance and determine its long-term operational viability over the next decade or more. Without stringent controls, pipes that appear flawless upon delivery may fail after several years. API 5L effectively mitigates these potential risks.

Seamless Pipes

Seamless pipes typically start from round billets. They undergo heating, piercing, and rolling to achieve their final shape. These pipes demonstrate stable performance under high-pressure conditions. Some projects demand higher safety redundancy, directly specifying seamless solutions even at increased cost. Their logic is straightforward: one fewer potential risk point means one less long-term headache. For tighter dimensional requirements, cold drawing may follow hot rolling. While this increases costs, it ensures superior dimensional control.Welded Pipes

ERW Pipes

ERW pipes are formed directly from steel strip and welded using high-frequency welding, enabling rapid production and relatively predictable delivery schedules.They are highly prevalent in small-to-medium diameter pipelines. However, what customers truly focus on is never price, but rather this question: “How do you control your welds?” Provided weld quality is consistent and inspections are thorough, ERW represents a highly mature solution for API 5L projects.

LSAW Pipes

LSAW utilizes medium-to-thick plates with submerged arc welding along the longitudinal seam. This product type is commonly found in large-diameter, thick-walled projects, demanding high stability in both equipment and process. From a content editor’s perspective, let’s be candid: LSAW isn’t a product suitable for long-term production by every manufacturer. Some factories can produce it once but struggle with consistency; others may appear similar externally but have vastly different internal quality control. Truly knowledgeable customers often ask very detailed questions.SSAW pipes utilize spiral forming. They are more common in long-distance transmission projects. They offer high material utilization and are suitable for large-volume requirements. The inspection process is often a key focus for customers.

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API 5L Pipe supplier and ERW Line Pipe Specification - Steel Tubes India

Check API 5L ERW and Seamless Line Pipe Specifications, Weight Chart, Dimensions, and Size Range before choosing API 5L Pipe suppliers in India

The pipes in API 5L are manufactured following all standards set by the American Petroleum Institute. The API 5L Pipe has a chemical composition of phosphorous, manganese, carbon, and sulfur. These pipes are designed with excellent corrosion and abrasion resistance properties. API 5L Seamless Pipe possesses excellent mechanical properties. They possess a tensile strength of minimum 415Mpa and yield strength of minimum 245Mpa. These pipes can be easily elongated by 23%. The API 5L Welded Pipe is formed with the help of welds. These pipes can be used in all pressure and temperature settings. They are very easy to clean and maintain in any condition. The API 5L Erw Pipe is a low-cost piping option. These pipes have high working efficiency and are very durable. They are available in nominal sizes between 1/2NB to 24NB. The API 5L Line pipe is annealed, galvanized, or coated with paint, Fpe, etc. This helps these pipes to exhibit increased corrosion and abrasion resistance properties. The API 5L PSL2 Nace Pipe inhibits pitting by sulfides and chlorides in all systems. These pipes are widely used in transporting oil and gas in various petrochemical industries. The API 5L Pipe is a preferred pipe choice in oil and gas refineries, nuclear and thermal power generation systems, pressure vessels, boiler equipment, petrochemicals, sugar industries, etc. We have the Stock of leading API 5L Pipe manufacturers in India. Our goal is to produce top-quality products, which will be available at feasible rates for all.

Are you interested in learning more about Api 5l X60 Lsaw Steel Pipe? Contact us today to secure an expert consultation!

API 5L Carbon Steel Pipe is produced with a good concentration of carbon. These pipes can be cold-rolled to give them an excellent surface finish and enhanced chemical compositions. API Carbon Steel Seamless Pipe is produced without any welds or seams. These pipes are extremely strong and reliable. They are available in sizes between 1/2NB to 60NB. API 5L Carbon Steel Line Pipe is designed with excellent resistance against stress propagation. These line pipes are available with wall thickness ranging between schedules 10 to SCH 160 and SCH XXX. API 5L Schedule 40 Pipe is used in low and high-pressure systems. These pipes are available in sizes of single random, double random and custom sizes up to 13 meters. The API 5L High Yield Pipe possesses good strength and enhanced tolerances in various environments. They are a preferred pipe choice in high-pressure and elevated temperature applications. API 5L Steel LSAW Pipe has thick walls which makes it a viable option in transporting hydrocarbons over long distances. They are available with an outer diameter of 16OD to 54OD. The 3LPE Coated API 5L DSAW Pipe is a cost-effective highly, efficient pipe. These pipes have a 3 layer coating which makes them highly durable and protects against various contaminants in the air. The API 5L Pipe Price List depends on the thickness, nominal pipe sizes, and 7 different grades of pipes available in the 5L API grade. We make use of cutting-edge technology and the best raw materials while producing the API Line Pipe along with our other products.

API 5L PSL1 HIC Pipeline is used in various hydrogen-induced systems. These pipes range from X42NS to XQS and from X42MS to X70MS. These pipes can be easily welded through conventional methods. HIC Tested API Epoxy Coated Pipe have a higher flow rate compared to other pipes. The coating of epoxy makes these pipes leakproof. They also have a smooth surface, which is very easy to clean. Carbon Steel API 5L Spiral Pipe is a low carbon pipe with 0.04-0.30% concentration of carbon. These pipes possess excellent malleability and enhanced ductility. The API 5L CS Spiral Welded Pipe has a seam that is longer than a straight welded seam. These pipes have a smooth surface in their internal contour surfaces and can be easily repaired. The PSL 2 API 5L Pipe Line possesses excellent mechanical properties. These pipes are known for their high pressures tolerances, extreme corrosion resistance, and non-deforming pipes at elevated temperatures. PSL 1 API 5L Sour Service Pipe is used in various hydrogen-induced environments. These pipes are available with plain, beveled, coiled, and threaded tubing ends. We are the API 5L Pipe suppliers who can customize all our products as per your requirements in different chemical make-up and sizes. If you have any queries or want to know more about our products, contact us for more information.

Contact us to discuss your requirements of A335 P5 Alloy Steel Pipe. Our experienced sales team can help you identify the options that best suit your needs.

Looking for specific thickness of API 5L Seamless Pipe? Wide stock of Schedule 40 to XXS API 5L Smls, Welded and ERW Carbon Steel Line Pipe in India


API 5L Pipe Specification

Buy API Line Pipe of leading manufacturers from Japan, India, Europe, South Korea and China, check and compare price list


Types of API 5L Erw Pipe

Buy HIC and Nace certified API 5L Carbon Steel Pipe in India, distributor of API 5L PSL2/ PSL1 Seamless, Welded and Spiral Pipe as per ISO NACE MR

API Line Pipe Coating

Looking for manufacturer of API 5L High Yield Pipe in India? Exporter of 3LPP/ Galvanized/ 3LPE/ Epoxy Coated Sour Service Line Pipe for oil and gas pipeline transmissions according to EN -2/ EN -1

Range of API 5L Schedule 40 Pipe for sour service, Offshore service, Oilfield, Oil & Gas

API 5L Carbon Steel Pipe Grades

Buy V&M & MSL make API 5L Schedule 40 Pipe at dealer price in India, we also stock Nippon Steel, ISMT, Jindal, & Tenaris API 5L Seamless Pipe in Mumbai
  • API 5L X42 ERW Pipe
  • API 5L X46 ERW Pipe
  • API 5L X52 ERW Pipe
  • API 5L X56 ERW Pipe
  • API 5L X60 ERW Pipe
  • API 5L X65 ERW Pipe
  • API 5L X70 ERW Pipe
  • API 5L X80 ERW Pipe
  • API 5L X100 ERW Pipe
  • API 5L ERW Line Pipe
  • API 5L Spiral Welded Pipe
  • API 5L GR.B PSL1 ERW Pipe
  • API 5L X42 PSL1 ERW Pipe
  • API 5L X46 PSL1 ERW Pipe
  • API 5L X52 PSL1 ERW Pipe
  • API 5L X56 PSL1 ERW Pipe
  • API 5L X60 PSL1 ERW Pipe
  • API 5L X65 PSL1 ERW Pipe
  • API 5L X70 PSL1 ERW Pipe
  • API 5L GR.B PSL2 ERW Pipe
  • API 5L X42 PSL2 ERW Pipe
  • API 5L X46 PSL2 ERW Pipe
  • API 5L X52 PSL2 ERW Pipe
  • API 5L X56 PSL2 ERW Pipe
  • API 5L X60 PSL2 ERW Pipe
  • API 5L X65 PSL2 ERW Pipe
  • API 5L X70 PSL2 ERW Pipe
  • API 5L X80 PSL2 ERW Pipe
  • API 5L X100 PSL2 ERW Pipe

API 5L Seamless Pipe Latest Price List

  • API 5L Gr.B low carbon ERW steel pipe
    FOB Price: US $400-800 / Metric Ton
  • api 5l x52 psl1 erw pipes
    FOB Price: US $800-850 / Metric Ton
  • API 5L structure steel pipe schedule 40 steel pipe ERW steel pipe
    FOB Price: US $380-500 / Metric Ton
  • API 5L L245 black mm lsaw erw spiral welded steel pipe for oil
    FOB Price: US $650-850 / Ton
  • API 5L X52 ERW welded steel pipe for oil and gas
    FOB Price: US $300-600 / Metric Ton
  • Hot Dipped Galvanized API 5L Erw Line Pipe
    FOB Price: US $2-11 / Piece
  • API 5L B ERW Technique made Seamless Steel Pipe from Top Manufacturer
    FOB Price: US $460-645 / Ton
  • 194mm diameter steel pipe ! 4.5mm steel pipe erw steel pipe api 5l x52
    FOB Price: US $520-750 / Metric Ton
  • ASTM A53/A106/ API 5L GR B schedule 40 carbon ERW steel pipe
    FOB Price: US $1-100 / Piece
  • API 5L grade b oil pipe/ERW welded pipe line
    FOB Price: US $500-600 / Ton
  • API 5L gr.b astm a53b erw steel pipe / erw black pipe
    FOB Price: US $350-450 / Ton
  • api 5l grade b erw pipe made in china
    FOB Price: US $350-500 / Ton
  • API 5L X70 PSL 1 ERW Steel Pipe
    FOB Price: US $500-650 / Metric Ton
  • API 5L X52 ERW welded steel pipe for oil and gas
    FOB Price: US $300-600 / Metric Ton
  • API 5L/ASTM A53 ERW STEEL PIPE
    FOB Price: US $385.0 / Ton
  • dn 400 sch10 api 5l psl1/ psl2 gr b black erw steel pipe with heat exchange tubing
    FOB Price: US $299-399 / Ton
  • API5L X42 erw api 5l saw spiral welded steel pipe
    FOB Price: US $635-800 / Ton
  • hot selling cheap price Hot Dipped Galvanized API 5L Erw Line Pipe
    FOB Price: US $500-700 / Ton
  • API 5L ERW/LSAW/SSAW/SEAMLESS CARBON steel pipe
    FOB Price: US $600-900 / Ton
  • api 5l erw steel pipe tube, api 5l grade x42 carbon steel pipe, api 5l steel pipe
    FOB Price: US $550-670 / Ton
  • api 5l Thick Wall ERW Welded Carbon Black Structure steel pipe
    FOB Price: US $450-800 / Metric Ton
  • api 5l grade b erw steel pipes/ api standard hollow section steel pipe
    FOB Price: US $350-600 / Ton
  • 4.5mm diameter steel pipe api 5l x42 x46 x52 erw steel pipe
    FOB Price: US $500-650 / Ton
  • China supply API 5l ERW lsaw ssaw seamless carbon steel pipe
    FOB Price: US $309-999 / Ton
  • wear resistant api 5l erw welded carbon steel pipe
    FOB Price: US $411-413 / Ton
  • ASTM A53/API 5L GRB ERW STEEL PIPE
    FOB Price: US $100- / Piece
  • Galvanized ASTM erw steel pipe astm a53 / a106 / api 5l Gr B
    FOB Price: US $0.1- / Ton
  • api erw/weld pipeAPI 5L OIL PIPE WITH LOW PRICE BUT HIGH QUALITY MADE IN CHINA
    FOB Price: US $300-500 / Ton
  • High quality API 5L X42 psl1 ERW welded steel pipe
    FOB Price: US $450.0 / Metric Tons
  • Good Quality API 5L X60 ERW Carbon Steel Pipe & Tube for Gas and Oil
    FOB Price: US $15-40 / Meter
  • DIN EN API 5L SSAW/HSAW/ERW High tensile strength steel erw pipe and tube for Oil and Gas
    FOB Price: US $30-752 / Ton
  • ERW Round Black erw steel pipe astm a53/a106/ api 5l grade b
    FOB Price: US $400-550 / Ton
  • DIN EN API 5L SSAW/HSAW/ERW High tensile strength steel erw pipe and tube for Oil and Gas
    FOB Price: US $400.0 / Metric Ton | Buy Now
  • Oil pipe High Quality API 5L ERW/SSAW/LSAW line pipe and tube
    FOB Price: US $300-700 / Metric Ton
  • API 5L B erw pipe round welded carbon steel pipe, erw pipe standard dimensions, erw pipes
    FOB Price: US $460-645 / Ton
  • Steel Welded Pipe, Carbon Steel ERW Steel Pipe API 5L GR.B/ ASTM A53 GR.B From Factory Direct Sale
    FOB Price: US $400-800 / Metric Ton
  • 300MM Diameter Steel Pipes API 5L X42 PSL1 ERW Welded Mild Steel Pipes
    FOB Price: US $1-630 / Ton
  • Large diameter A106/A53/API 5l b Sch40 ERW Carbon Steel Pipe
    FOB Price: US $500- / Ton
  • high quality api 5l good price x42 material /api 5l q345b erw black carbon welded steel pipe/tube
    FOB Price: US $380-450 / Ton
  • 3PE Anticorrosion Erw Pipe 2 PE Anticorrosion DSAW Pipes API 5L Grade X65 PSL1/PSL2 Seamless/LSAW/DSAW/HSAW/Spiral Welded Line
    FOB Price: US $0.4-0.5 / Kilogram
  • ERW pipe API 5L Gr.B / ASTM A53 Gr.B weld steel pipe manufacturer
    FOB Price: US $390-410 / Ton
  • Api 5l x52 structure erw steel pipe
    FOB Price: US $400-600 / Ton
  • api 5l x60 lsaw erw spiral welded steel pipe
    FOB Price: US $730-800 / Ton
  • Hot sale best quality ERW pipe API 5L pipe
    FOB Price: US $300-580 / Ton
  • API 5L SSAW ERW Steel pipe, oil pipeline steel x42 x52 x60
    FOB Price: US $500-800 / Ton
  • b52 DIN EN API 5L SSAW/HSAW/ERW High tensile strength steel pipe and tube for Oil and gas
    FOB Price: US $450- / Ton
  • Electric Resistance Welding pipe api 5l grade b erw steel pipe
    FOB Price: US $650-920 / Metric Ton

API 5L Welded Pipe composition and properties

Stockholder, wholesaler & distributor of API 5L Erw Pipe in India, check working pressure and API Steel Grades Chart

API 5L Seamless Steel Pipes, API 5L Welded Pipes Chemical Composition

API 5L Seamless Steel Pipes, API 5L Welded Pipes Mechanical Properties

API 5L High Yield Pipe Coating Standard

  • ANSI/AWWA C104/A21.4 American National Standard for Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water
  • ISO Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems
  • DIN Polyethylen coatings of steel pipes and fittings

API 5L Steel LSAW Pipe Wall thickness


API 5L Line Pipe Pressure Rating