1. Material Standards & Specifications

Primary Standards:

• API Specification 5L - Line Pipe

• ISO 3183 - Petroleum and natural gas industries - Steel pipe for pipeline transportation systems

Product Specification Levels:

• PSL 1 - Standard quality requirements

• PSL 2 - Enhanced quality requirements with additional testing

2. Chemical Composition (% by weight, PSL 2 Requirements)

3. Mechanical Properties (PSL 2 Requirements)

Note: Impact test requirements vary based on design temperature and pipe size.

4. Physical Properties

5. Product Specifications

6. Manufacturing Processes

Seamless Pipe:

• Hot rolling process

• Extrusion process

• Mandrel mill process

Welded Pipe:

• Electric Resistance Welding (ERW)

• Submerged Arc Welding (SAW)

• Longitudinal or spiral welding

7. Testing & Inspection (PSL 2 Requirements)

Mandatory Tests:

• Hydrostatic testing

• Non-destructive electric testing

• Transverse or longitudinal tensile tests

• Charpy V-notch impact tests

• Hardness tests

• Dimensional inspection

• Visual inspection

Additional Tests (if specified):

• Drop-weight tear tests (DWTT)

• Sulfide stress corrosion cracking tests

• Hydrogen-induced cracking tests

• Guided bend tests

8. Applications

Primary Applications:

• Oil transmission pipelines

• Natural gas transmission pipelines

• Refinery piping systems

• Petrochemical plant piping

• Water injection lines

• Structural applications in oil and gas fields

Service Conditions:

• Maximum operating temperature: 120°C

• Suitable for sour service (with additional requirements)

• Arctic service conditions (with impact test requirements)

9. Quality Certification & Documentation

Certification Requirements:

• API Monogram license

• ISO 9001 Quality Management System

• Mill Test Certificate 3.1/3.2 per EN 10204

• Traceability to heat number

• Non-destructive testing reports

Documentation Provided:

• Chemical analysis report

• Mechanical test reports

• Heat treatment records

• Inspection and test reports

• Dimension and weight certificates

Technical Advantages:

• Consistent mechanical properties

• Good weldability and formability

• Excellent toughness at low temperatures

• Reliable performance in harsh environments

• Compliance with international pipeline standards

All pipes are manufactured and tested in accordance with API 5L specifications and can be supplied with additional testing to meet specific project requirements.