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API 5L Steel Pipe

API 5L Steel Pipe manufacturer and supplier. ASTM / EN / API compliant, MTC included, direct shipment to GCC ports.

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API 5L Steel Pipe – Technical Overview

API 5L Steel Pipe manufactured by Sino East Steel Group, a certified steel manufacturer with 18+ years of experience, a 65,000 m² plant and 500,000 metric tons of annual capacity, exporting to 50+ countries including the Middle East and GCC markets. Produced to ASTM / EN / API / BS with full traceability.

Key Specifications

  • Brand: Sino East
  • Standard: ASTM / EN / API / BS
  • Grades and dimensions: available per project specification
  • Surface treatment: as required (hot-dip galvanized / black / oiled)
  • Packaging: standard export seaworthy packing
  • Certification: Mill Test Certificate (MTC) per EN 10204 3.1 with every batch

Applications

  • Oil and gas transmission pipelines
  • Water conveyance lines
  • Energy and utility projects

Quality & Certification

  • ISO 9001:2015 certified production
  • MTC per EN 10204 3.1 included on every shipment
  • Third-party inspection by SGS / BV / TUV available at GCC destination ports

Packaging & Delivery

Standard export packing; production lead time 15–25 days; shipment FOB Tianjin or CIF Jebel Ali, Dammam, Jeddah, Khalifa Port, Hamad Port.

Payment Terms

T/T, L/C, D/A, D/P, O/A — flexible terms for long-term partners.

Request a quote: send your specification to paul@sinoeaststeel.com or message us on WhatsApp +86 186 2208 8833 — we respond within 24 hours.

API 5L Steel Pipe at a Glance: Grades, Sizes and Typical Applications

API 5L Steel Pipe is manufactured by Sino East Steel Group, a certified steel manufacturer with more than 18 years of export experience, a 65,000 m2 production plant located in Daqiuzhuang Industrial Park, Jinghai, Tianjin, China, and a total annual capacity of 500,000 metric tons. The company exports to more than 50 countries, with the Middle East and GCC region among its fastest growing markets. This api 5l steel pipe is produced to API 5L (46th edition), PSL 1 and PSL 2, and is available in grades such as Grade A, Grade B, X42, X46, X52, X56, X60, X65, X70 and in dimensions including outside diameter 1/2 inch to 36 inches, wall thickness 2.0 mm to 25.4 mm, length 6 m, 12 m or random lengths.

Every production batch undergoes strict testing including chemical analysis, tensile testing, dimensional checks and surface inspection, and each shipment is accompanied by a Mill Test Certificate (MTC) issued per EN 10204 3.1, which documents the heat number, chemical composition and mechanical properties of the material. This complete documentation is the basic requirement for project approval, whether by consultants, contractors or certification bodies in the Gulf region.

Key Features

  • Brand: Sino East (Sino East Steel Group)
  • Standard: API 5L (46th edition), PSL 1 and PSL 2
  • Available grades: Grade A, Grade B, X42, X46, X52, X56, X60, X65, X70
  • Manufacturing process: electric resistance welded (ERW) or seamless (SMLS)
  • Surface treatment: black (mill finish), varnished or oiled; 3PE/FBE coating available on request
  • Certification: Mill Test Certificate (MTC) per EN 10204 3.1 with every batch, third-party inspection available

Typical Applications

  • Oil and gas transmission pipelines
  • Water conveyance and utility lines
  • Energy, petrochemical and industrial projects
  • Export and import terminal piping systems

Material Grades and Mechanical Properties of API 5L Steel Pipe

The api 5l steel pipe is supplied in Grade A, Grade B, X42, X46, X52, X56, X60, X65, X70. Mechanical properties are verified on every heat: yield strength from 245 MPa (Grade B) up to 485 MPa (X70), with tensile strength, elongation and hardness confirmed in the Mill Test Certificate. For PSL 2 material, Charpy impact testing at the specified test temperature is included and documented in the MTC.

Grade selection should be matched to the design pressure, temperature and service environment of the project. Our engineers confirm the correct grade and heat treatment route with you in writing before production starts, so the delivered material matches the approved design documentation exactly.

Size Range, Dimensions and Tolerances of API 5L Steel Pipe

Brand Sino East Steel Group
Product API 5L Steel Pipe
Standard API 5L (46th edition), PSL 1 and PSL 2
Available Grades Grade A, Grade B, X42, X46, X52, X56, X60, X65, X70
Manufacturing Process electric resistance welded (ERW) or seamless (SMLS)
Size Range outside diameter 1/2 inch to 36 inches, wall thickness 2.0 mm to 25.4 mm, length 6 m, 12 m or random lengths
Mechanical Properties 245 MPa (Grade B) up to 485 MPa (X70)
End Preparation plain, beveled or threaded ends
Surface / Coating black (mill finish), varnished or oiled; 3PE/FBE coating available on request
Testing chemical analysis, tensile test, hydrostatic test, bend test, flattening test and dimensional inspection
Certification ISO 9001:2015, MTC per EN 10204 3.1, SGS / BV / TUV inspection available
Packaging Standard seaworthy export packing, bundled or palletized
MOQ 20-25 metric tons per container (one 20-foot or 40-foot container)
Production Time 15-25 days after specification confirmation
Sea Freight 18-25 days to GCC ports: Jebel Ali, Dammam, Jeddah, Hamad Port, Shuwaikh, Sohar

All dimensions, grades and coating requirements can be adjusted to the project specification. For a precise quotation, send the required standard, grade, size, quantity and destination port to our sales team.

Manufacturing Process and Surface Treatment Options

API 5L Steel Pipe is manufactured by electric resistance welded (ERW) or seamless (SMLS) in our Tianjin plant, under a quality management system certified to ISO 9001:2015. The production line performs chemical analysis, tensile test, hydrostatic test, bend test, flattening test and dimensional inspection at every stage, and the finished pipe is straightened, end-faced and inspected before packing.

Surface options include black (mill finish), varnished or oiled; 3PE/FBE coating available on request. For buried or highly corrosive service, heavier anti-corrosion systems can be arranged to extend the design life of the pipeline in Gulf soil and marine environments.

Standards, Testing and Quality Assurance

Every batch of api 5l steel pipe is manufactured to API 5L (46th edition), PSL 1 and PSL 2 and tested in accordance with the governing specification. Standard testing covers chemical analysis, tensile testing, hydrostatic testing, dimensional checks and surface inspection, and every pipe is traceable to its heat number through the Mill Test Certificate.

  • ISO 9001:2015 certified production
  • MTC per EN 10204 3.1 included on every shipment
  • Third-party inspection by SGS / BV / TUV available at the factory or destination port
  • Full traceability from heat number to final shipment

Key Applications and Industries Served

API 5L Steel Pipe is used across a wide range of sectors in the Gulf region, where construction, energy, water and industrial development continue to drive strong demand for certified steel products:

  • oil and gas upstream, midstream and downstream facilities
  • water transmission and desalination plant piping
  • power generation and utility infrastructure
  • petrochemical and industrial processing plants
  • construction and building services piping
  • export terminal and marine loading systems

Across the GCC, API 5L line pipe is the default specification for pipeline projects in Abu Dhabi, Doha and the Eastern Province of Saudi Arabia. Sino East ships directly to Jebel Ali (UAE), Dammam and Jeddah (Saudi Arabia), Hamad Port (Qatar), Shuwaikh (Kuwait) and Sohar (Oman), with full MTC documentation for customs and project acceptance.

Packaging, Loading and Export Documentation

Products are packed in seaworthy export packing designed for the long voyage from Tianjin to the Arabian Gulf: bundles and pallets are secured, waterproofed and labeled with the product specification, heat number and marks for easy identification at the port of destination.

Every shipment is accompanied by a complete export documentation set: commercial invoice, packing list, bill of lading, certificate of origin and the Mill Test Certificate for the material. For Saudi Arabia, conformity certification under the SASO / SABER system can be arranged for eligible steel products, and for the United Arab Emirates, Dubai Municipality and ESMA requirements can be supported with the corresponding test reports and certificates.

Lead Times, Pricing and How to Place an Order

Standard production lead time is 15-25 days after confirmation of the order, followed by 18-25 days of sea freight to the main GCC ports. Delivery can be quoted FOB Tianjin, CIF, CFR or DDP according to buyer preference, and consolidated container programs keep logistics cost-effective for both full-container and LCL shipments.

  1. Send your standard, grade, size, quantity and destination port to our sales team
  2. Receive a formal quotation with delivery time and shipping options within 24 hours
  3. Confirm the specification in writing; production starts after sample or order confirmation
  4. Track your shipment with full export documentation until arrival at the destination port

Why Buy API 5L Steel Pipe from Sino East Steel Group?

  • Direct factory supply from Tianjin with 500,000 metric tons of annual capacity and 18+ years of export experience
  • Full documentation on every order: MTC per EN 10204 3.1, third-party inspection and certificates of origin
  • Steady supply chain to the GCC with 18-25 days sea freight to Jebel Ali, Dammam, Jeddah, Hamad Port, Shuwaikh and Sohar
  • Flexible terms: T/T, L/C, D/A, D/P and O/A for long-term partners, with competitive factory pricing
  • Responsive support in English and Arabic, with a reply within 24 hours on every inquiry

Other Steel Products in the Same Category

Alongside api 5l steel pipe, Sino East supplies a complete range of certified steel products for projects worldwide: Seamless Steel Pipe, Galvanized Steel Pipe, Steel Sheets, Galvanized Steel Coils, Stainless Steel, PPGI Coils. All products ship from the same Tianjin factory with the same documentation standard, which simplifies procurement for distributors and contractors who order multiple product lines.

Request a Quote for API 5L Steel Pipe

Send your specification to paul@sinoeaststeel.com or message us on WhatsApp +86 186 2208 8833. We respond within 24 hours with pricing, lead time and shipping options to Jebel Ali, Dammam, Jeddah, Hamad Port, Shuwaikh or Sohar.

API 5L Steel Pipe - Complete Buying Guide for GCC Buyers

API 5L Steel Pipe is produced by Sino East Steel Group, a certified steel manufacturer with more than 18 years of export experience, a 65,000 m2 production plant located in Daqiuzhuang Industrial Park, Jinghai, Tianjin, China, and a total annual capacity of 500,000 metric tons. The company exports to more than 50 countries, with the Middle East and GCC region among its fastest growing markets. This API 5L line pipe is manufactured to API 5L, and is available in grades such as Grade B, X42, X46, X52, X56, X60, X65, X70 and in dimensions including outside diameter 21.3 mm to 1422 mm, wall thickness 3.2 mm to 40 mm, lengths 6 m, 12 m or random per API 5L.

For buyers in the Gulf, this product is a standard, high-rotation item for construction, infrastructure and industrial projects. Contractors, distributors and project procurement teams across the United Arab Emirates, Saudi Arabia, Qatar, Kuwait, Oman and Bahrain source it directly from the factory to secure stable quality, competitive pricing and reliable delivery schedules. The guide below explains the specifications, applications, quality control, packaging, shipping and frequently asked questions, so that you can specify and order with full confidence.

API 5L Steel Pipe manufacturer and supplier. ASTM / EN / API compliant, MTC included, direct shipment to GCC ports. The product can be supplied with complete Mill Test Certificate documentation and third-party inspection support, which is the standard requirement for approval in GCC projects.

Demand for this product in the Middle East continues to grow with the region construction boom: new cities, ports, airports, energy plants and industrial zones across the United Arab Emirates, Saudi Arabia, Qatar, Kuwait, Oman and Bahrain are all consuming large volumes of certified steel. Buying directly from the factory in Tianjin gives GCC buyers three decisive advantages: full control over quality and documentation, factory-direct pricing without trading middlemen, and a stable allocation of production capacity for scheduled project deliveries. Sino East has served clients in the GCC region for more than a decade and understands the documentation, packaging and delivery requirements of Gulf projects.

How to Specify API 5L Steel Pipe for Your Project

To receive an accurate quotation and avoid specification errors, GCC buyers are advised to confirm the following parameters when sending an inquiry:

  1. Standard: the governing specification such as API 5L that the product must comply with
  2. Grade: the material grade, for example Grade B, X42, X46, X52, X56, X60, X65, X70, matched to the design requirements of the project
  3. Dimensions: the exact size range, including outside diameter 21.3 mm to 1422 mm, wall thickness 3.2 mm to 40 mm, lengths 6 m, 12 m or random per API 5L, with tolerances if specified
  4. Surface and finish: the required surface treatment, coating weight and end preparation
  5. Quantity: tonnage per size, which determines the container plan and the most economical shipping method
  6. Destination port: Jebel Ali, Dammam, Jeddah, Hamad Port, Shuwaikh, Sohar or another port, plus the required delivery term

Our engineers review every inquiry against the applicable standard and confirm the specification in writing before production starts, so the delivered goods match the approved documentation exactly. This is especially important for projects where the consultant or client requires pre-shipment inspection and documentation approval.

Key Specifications of API 5L Steel Pipe

BrandSino East Steel Group
ProductAPI 5L Steel Pipe
StandardAPI 5L
Available GradesGrade B, X42, X46, X52, X56, X60, X65, X70
Size Rangeoutside diameter 21.3 mm to 1422 mm, wall thickness 3.2 mm to 40 mm, lengths 6 m, 12 m or random per API 5L
Surface / Coatingbare, black painted, or 3LPE / FBE anti-corrosion coating on request
CertificationISO 9001:2015, MTC per EN 10204 3.1, SGS / BV / TUV inspection available
PackagingStandard seaworthy export packing, palletized or bundled per product type
MOQ20-25 metric tons per container (one 20-foot or 40-foot container)
Production Time15-25 days after specification confirmation
Sea Freight18-25 days to GCC ports: Jebel Ali, Dammam, Jeddah, Hamad Port, Shuwaikh, Sohar

All dimensions, grades and coating requirements can be adjusted to the project specification. For a precise quotation, send the required standard, grade, size, quantity and destination port to our sales team.

Applications of API 5L Line Pipes in the GCC and Middle East

API 5L Steel Pipe is used across a wide range of sectors in the Gulf region, where construction, energy, water and industrial development continue to drive strong demand for certified steel products:

  • oil and gas transmission pipelines onshore and offshore
  • water and slurry transmission lines for utilities
  • gas distribution networks in industrial zones
  • pipeline systems for refineries and petrochemical plants
  • firewater and cooling water ring mains
  • piling and casing for foundation works

API 5L line pipe is the specification backbone of the Gulf energy industry, from the crude gathering systems of the Saudi desert to the gas distribution grids of the UAE. Sino East supplies API 5L Grade B to X70 line pipe in PSL1 and PSL2, with impact testing and full traceability, delivered to Jebel Ali, Dammam, Jeddah, Hamad Port, Shuwaikh and Sohar with complete documentation for pipeline project acceptance.

Manufacturing, Quality Control and Certification

Every batch of API 5L line pipe leaves our Tianjin plant under a strict quality management system certified to ISO 9001:2015. The production line performs chemical analysis, tensile testing, dimensional checks and surface inspection at every stage, and each shipment is accompanied by a Mill Test Certificate (MTC) issued per EN 10204 3.1, which states the heat number, chemical composition and mechanical properties of the material.

For GCC projects that require independent verification, third-party inspection by SGS, BV or TUV can be arranged at the factory before loading, or at the destination port upon arrival. This documentation package - MTC, inspection reports, packing lists and certificates of origin - is prepared to satisfy the approval processes of municipalities, consultants and EPC contractors across the United Arab Emirates, Saudi Arabia, Qatar, Kuwait, Oman and Bahrain.

Documentation and Import Compliance for GCC Destinations

Every shipment to the GCC is accompanied by a complete export documentation set: commercial invoice, packing list, bill of lading, certificate of origin, and the Mill Test Certificate for the material. For Saudi Arabia, conformity certification under the SASO / SABER system can be arranged for eligible steel products, and for the United Arab Emirates, Dubai Municipality and ESMA requirements for construction materials can be supported with the corresponding test reports and certificates.

Sino East has shipped to the Gulf region for more than a decade, and our export team prepares the documents in the format required by each destination customs authority. Buyers who need special documentation, such as notarized certificates of origin or chamber of commerce attestation, should mention it at the inquiry stage so that the documents are ready before the vessel departs from Tianjin.

Packaging, Shipping and Delivery to GCC Ports

Products are packed in seaworthy export packing designed for the long voyage from Tianjin to the Arabian Gulf: bundles, pallets or coils are secured, waterproofed and labeled with the product specification, heat number and marks for easy identification at the port of destination.

Standard production lead time is 15-25 days after confirmation of the order, followed by 18-25 days of sea freight to the main GCC ports: Jebel Ali and Khalifa Port in the United Arab Emirates, Dammam and Jeddah in Saudi Arabia, Hamad Port in Qatar, Shuwaikh in Kuwait and Sohar in Oman. Delivery can be quoted FOB Tianjin, CIF, CFR or DDP, according to the buyer preference. Regular sailings and consolidated container programs keep logistics cost-effective for both full-container and LCL shipments.

Why Buy API 5L Steel Pipe from Sino East Steel?

  • Direct factory supply from Tianjin with 500,000 metric tons of annual capacity and 18+ years of export experience
  • Full documentation on every order: MTC per EN 10204 3.1, third-party inspection and certificates of origin
  • Steady supply chain to the GCC with 18-25 days sea freight to Jebel Ali, Dammam, Jeddah, Hamad Port, Shuwaikh and Sohar
  • Flexible terms: T/T, L/C, D/A, D/P and O/A for long-term partners, with competitive factory pricing
  • Responsive support in English and Arabic, with a reply within 24 hours on every inquiry

Frequently Asked Questions about API 5L Steel Pipe

1. What is the difference between PSL1 and PSL2?

PSL1 is the standard quality level for general service. PSL2 imposes tighter chemical limits, mandatory impact testing and stricter mechanical property requirements, and is specified for critical and sour-service pipelines in the GCC energy sector.

2. Which grades are available?

Grades from B to X70 are available, in seamless, ERW and LSAW production routes. The grade is selected based on design pressure, pipe diameter and installation method of the project.

3. Can line pipe be supplied with anti-corrosion coating?

Yes, 3LPE, FBE and other coating systems can be applied before shipment, which is common for buried pipelines in GCC soil conditions and for offshore risers.

4. What documentation is provided for oil and gas projects?

Full MTC documentation per EN 10204 3.1, heat treatment charts, chemical analysis and mechanical test reports, plus third-party inspection by SGS, BV or TUV when required.

5. What is the minimum order quantity?

The MOQ is 25 metric tons per size and grade. Mixed-grade container shipments can be arranged for pipeline contractors and distributors.

6. Is API 5L Steel Pipe available for GCC projects with full documentation?

Yes. All API 5L Line Pipes supplied by Sino East include a Mill Test Certificate per EN 10204 3.1, and third-party inspection by SGS, BV or TUV can be arranged. The complete documentation package is prepared to meet the approval requirements of contractors and consultants across the United Arab Emirates, Saudi Arabia, Qatar, Kuwait, Oman and Bahrain.

7. How do I request a quotation for API 5L Steel Pipe?

Send the required standard, grade, size, quantity and destination port to paul@sinoeaststeel.com or contact us on WhatsApp at +86 186 2208 8833. Our sales team replies within 24 hours with a formal quotation, delivery time and shipping options.

Explore Related Steel Products

Alongside API 5L Line Pipes, Sino East supplies a complete range of certified steel products for GCC projects: Galvanized Steel Coils, PPGI Coils, Galvanized Steel Pipe, Seamless Steel Pipe, Steel Sheets and Stainless Steel. All products ship from the same Tianjin factory with the same documentation standard, which simplifies procurement for distributors and contractors who order multiple product lines.

Request a Quote for API 5L Steel Pipe

Send your specification to paul@sinoeaststeel.com or message us on WhatsApp +86 186 2208 8833. We respond within 24 hours with pricing, lead time and shipping options to Jebel Ali, Dammam, Jeddah, Hamad Port, Shuwaikh or Sohar.

Supplier Selection Questions

Can API 5L pipe be supplied for sour-service (H2S) duty?

Yes - for sour service we supply PSL 2 material with hardness control, low sulphur content and NACE MR0175-compliant testing, with full MTC documentation and SGS / BV / TUV third-party inspection available.

Do you manufacture API 5L pipe by the ERW or LSAW process?

Both - ERW covers 1/2 to 24 inch line pipe in thinner walls for distribution and gathering lines, while LSAW up to 48 inch is produced for higher-pressure trunk lines; the process is confirmed with the order specification.

How is API 5L pipe tested before shipment?

Every pipe is hydrostatically tested, ERW pipe is eddy-current or ultrasonic tested on the weld line, and PSL 2 material adds Charpy impact and hardness verification where specified, with results included in the MTC.