API 5L PSL1 X65 HFW Steel Pipe For High-Strength Hydrocarbon Transmission Pipelines

API 5L PSL1 X65 HFW Steel Pipe For High-Strength Hydrocarbon Transmission Pipelines

Brand: Huayang
Origin: China
Outside Diameter: Customized according to project requirements
Wall Thickness: Customized according to project requirements
Length: Customized according to project requirements
Material: API 5L PSL1 X65
Manufacturing: HFW High-Frequency Welding
Standard: API 5L
Application: High-Strength Hydrocarbon Transmission Pipelines, Oil and Gas Transportation Networks, and Industrial Pipeline Systems
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Description

Hebei Huayang Steel Pipe Co., Ltd is one of the leading manufacturers and suppliers of api 5l psl1 x65 hfw steel pipe for high-strength hydrocarbon transmission pipelines in China. Please feel free to buy cheap api 5l psl1 x65 hfw steel pipe for high-strength hydrocarbon transmission pipelines from our factory. All customized products are with high quality and low price.

 

Product Overview

 

API 5L PSL1 X65 HFW steel pipe is designed for hydrocarbon transmission projects requiring high strength, consistent weld quality and compliance with pipeline material specifications. Manufactured through high-frequency welding, it is suitable for specified oil and gas transportation systems when the pipe dimensions and service conditions meet project requirements.

Parameter Specification
Standard API 5L
Product Specification Level PSL1
Steel Grade X65
Equivalent Grade Designation L450
Manufacturing Process HFW
Minimum Yield Strength 450 MPa
Minimum Tensile Strength 535 MPa
Product Type High-Frequency Welded Line Pipe
Main Application High-Strength Hydrocarbon Transmission Pipelines

API 5L PSL1 X65 has a specified minimum yield strength of 450 MPa and a minimum tensile strength of 535 MPa. API 5L covers seamless and welded line pipe for petroleum and natural gas transportation systems.

API 5L PSL1 X65 HFW Steel Pipe for High-Strength Hydrocarbon Transmission Pipelines
API 5L PSL1 X65 HFW Steel Pipe for High-Strength Hydrocarbon Transmission Pipelines
API 5L PSL1 X65 HFW Steel Pipe for High-Strength Hydrocarbon Transmission Pipelines
API 5L PSL1 X65 HFW Steel Pipe for High-Strength Hydrocarbon Transmission Pipelines

X65 Material Performance

 

X65 pipeline steel provides a higher strength level than lower-grade line pipe materials, making it suitable for engineered hydrocarbon transmission systems where design calculations require increased strength. The final pipe specification should account for operating pressure, pipe diameter, wall thickness, transported medium, temperature and applicable pipeline codes. Quality assurance may include chemical composition analysis, tensile testing, hydrostatic testing, dimensional inspection and weld-seam nondestructive testing according to API 5L PSL1 and the purchase specification. Material traceability and inspection documentation can be arranged according to agreed project requirements.

 

Steel Pipe Manufacturing Strength

 

 

HFW/ERW Steel Pipe Production Lines

A Manufacturer with Proven Production Capabilities

Hebei Huayang Steel Pipe Co., Ltd. is a professional steel pipe manufacturer with multiple modern production lines covering HFW/ERW steel pipes, LSAW steel pipes, hot-expanded steel pipes, anti-corrosion steel pipes, and deep processing. With an annual production capacity of 2.75 million tons, we provide reliable manufacturing capabilities for diverse industrial and infrastructure projects.

Our manufacturing facilities include:

17 HFW/ERW Steel Pipe Production Lines: OD 48–660.4 mm

4 LSAW Steel Pipe Production Lines: OD 406.4–2,800 mm

24 Hot-Expanded Steel Pipe Production Lines: OD 230–1,020 mm

2 Anti-Corrosion Steel Pipe Production Lines: OD 159–1,626 mm

1 Steel Pipe Deep Processing Line

LSAW Steel Pipe Production Lines

In 2025, Huayang ranked 61st among Hebei Province's Top 100 Private Enterprises and 50th among its Top 100 Manufacturing Enterprises. Our Huayang brand HFW/ERW steel pipe has also been recognized as a Hebei Famous Brand Product.

From production facilities and manufacturing equipment to standardized production procedures, our factory capabilities support consistent production and customized steel pipe solutions for global customers.

 

From Raw Material to Finished Steel Pipe

 

 

Explore how Huayang manufactures LSAW and HFW steel pipes through established production processes, from raw material preparation and forming to welding, inspection, and final delivery.

 

LSAW Steel Pipe Production Process

 

ERW steel pipe production process

Quality Assurance & Testing

 

 

Quality is controlled throughout the steel pipe manufacturing process at Huayang, from incoming raw material inspection to final product verification. Raw materials are sourced from established steel suppliers and undergo chemical composition analysis, mechanical property testing, and surface inspection upon arrival. During production, process controls and dimensional checks help ensure compliance with applicable standards and customer specifications. Finished pipes are subject to relevant inspections and tests, which may include hydrostatic testing, ultrasonic testing (UT), radiographic testing (RT), eddy current testing, dimensional inspection, and visual examination, depending on the product type and applicable requirements. Our testing facilities support quality verification at key production stages, while inspection records and quality documentation help provide traceability and confidence in product conformity.

 

Key Quality Control & Testing Capabilities

 

  • Raw Material Inspection: Chemical composition, mechanical properties, and surface condition
  • Non-Destructive Testing (NDT): Ultrasonic testing (UT), radiographic testing (RT), and eddy current testing, as applicable
  • Mechanical Testing: Tensile, impact, hardness, and other tests as required by the applicable standard
  • Hydrostatic Testing: Pressure testing in accordance with relevant product specifications
  • Dimensional & Visual Inspection: Outside diameter, wall thickness, length, straightness, weld condition, and pipe-end inspection
  • Quality Documentation: Material test certificates, inspection records, and third-party inspection reports, subject to order requirements

 

High-frequency Ultrasonic Testing (UT)
High-frequency Ultrasonic Testing (UT)
High-frequency Magnetic Particle Testing (MT)
High-frequency Magnetic Particle Testing (MT)
Residual Magnetism Detection for High-frequency Welded Pipes
Residual Magnetism Detection for High-frequency Welded Pipes
High-frequency Hydrostatic Testing Machine
High-frequency Hydrostatic Testing Machine
High-frequency Hydrostatic Testing
High-frequency Hydrostatic Testing
LSAW Ultrasonic Testing (UT)
LSAW Ultrasonic Testing (UT)
LSAW Radiographic Testing (RT)
LSAW Radiographic Testing (RT)
LSAW Weighing and Measuremen
LSAW Weighing and Measuremen
LSAW Magnetic Particle Testing (MT)
LSAW Magnetic Particle Testing (MT)
LSAW Residual Magnetism Detection
LSAW Residual Magnetism Detection
LSAW Hydrostatic Testing Machine
LSAW Hydrostatic Testing Machine

Our Certificate

 

ce
gost
api 2bapi 5l
en10271

 

 

Bundling and loading onto vehicles

 

product-2953-965

 

Pipe Detaild Packages

 

 

Specification Pcs per Bundle Bundling Layer Pattern CBM per Bundle
OD (mm) Wall Thickness (mm)
48.3 3.68 91 6,7,8,9,10,11,10,9,8,7,6 1.69
5.08 61 5,6,7,8,9,8,7,6,5 1.13
60.3 3.91 61 5,6,7,8,9,8,7,6,5 1.77
5.54 37 4,5,6,7,6,5,4 1.07
73 5.16 37 4,5,6,7,6,5,4 1.57
7.01 24 4,5,6,5,4 0.96
88.9 5.49 24 4,5,6,5,4 1.42
7.62 19 3,4,5,4,3 1.19
114.3 6.02 19 3,4,5,4,3 1.96
8.56 10 3,4,3 0.94
141.3 6.55 10 3,4,3 1.44
9.53 7 2,3,2 1.08
168.3 7.11 10 3,4,3 2.04
10.97 7 2,3,2 1.53
219.1 8.18 7 2,3,2 2.59
12.7 5 2,3 1.73
273 9.27 5 2,3 2.68
15.09 3 1,2 1.79
323.8 10.31 3 1,2 2.52
17.48 2 1,1 1.26

Pipe Protection

 

 

Pipe-end protection is advisable in case the pipe-ends are bevelled at the pipe manufacturer. In the case of overseas transport, there is an especially increased risk of damaged pipe-ends. This is caused by extra handling procedures in ports and shifting of the pipes onboard vessels.

 

In addition to end caps or protective rings, external wrapping with protective cloth can be applied along the pipe body. This wrapping helps to safeguard the coating surface from scratches, moisture, and contamination during long-distance transportation or prolonged outdoor storage. Especially for coated or painted pipes, the additional protective cloth layer significantly reduces the risk of mechanical damage, UV exposure, and corrosion initiation, ensuring the pipes arrive at the destination in optimal condition.

page-1520-1137
Covered with protective fabric
product-2508-1672
Bundling and packaging
product-3000-2256
Pipe end cap protection
product-2500-1666
Nested pipes
Pipe Painting Services
Pipe Painting Services

In addition to pipe-end protection and external wrapping, Huayang provides customized steel pipe painting services to meet different project specifications and environmental requirements. Available options include water-based eco-friendly quick-drying paint, epoxy paint, quick-drying black paint, bituminous paint, and high-temperature-resistant paint. Paint type and application can be selected according to customer requirements, providing suitable surface protection for transportation, storage, and service conditions.

Steel Pipe Deep Processing

 

 

Beyond standard steel pipe manufacturing, Huayang provides customized deep processing services to meet different project and installation requirements. Our capabilities include flange welding, loose flange assembly, steel pipe piles, extra-long pipe joining, end beveling, and other fabrication services. Processing can be carried out according to customer drawings, technical specifications, and project requirements, helping customers reduce on-site fabrication work and improve installation efficiency.

Processing Items

Diameter Range

Wall Thickness

Length

Beveling Squaring

60~1422

4~20mm

1~20m

Pipe Straightening

219~820

4~25mm

6.5~20m

Hydrostatic Testing

76~1422

4~50mm

8~12.5m

Pipe Bundling

60~457

Bundle as per the customer's requirements

Extra-long butt welding of steel pipe

219~6000

No restrictions

≤60m

Pipe Prefabrication (Flange connection)

Steel pipe welding & prefabrication

can be customised to drawings

≤60m

Steel Support Welding Processing

≤60m

Steel Pipe Pile Welding (Clutch)

≤32m

Pipe Truss Assembly Welding

≤60m

Steel Pipe Pile Stud Welding

≤60m

Wrap the steel pipe

2.5~12m

Coil Uncoiling, Width and Thickness Range

Material

Uncoiling

Width, Thickness

Uncoiling Length

Q235B

1~2.1m

8~19mm

6~13m

Q355B

1~2.1m

8~16mm

6~13m

 

Steel Pipe Deep Processing
Steel Pipe Deep Processing
Steel Pipe Deep Processing
Steel Pipe Deep Processing
Steel Pipe Deep Processing
Steel Pipe Deep Processing
 

Ordering Terms & Delivery

 

Huayang Steel Pipe offers flexible ordering and shipping arrangements based on pipe specifications, order quantities, and project requirements.

 

  • Minimum Order Quantity (MOQ): MOQ depends on the pipe type, dimensions, steel grade, and production requirements. Trial orders and smaller quantities can be discussed with our sales team.
  • Production Lead Time: Typical lead times may range from approximately 30–60 days after order confirmation, depending on order volume, material availability, and production schedules. The confirmed delivery schedule will be provided with the quotation or sales contract.
  • Trade Terms: We can discuss EXW, FCA, FOB, CFR, and CIF terms according to the destination, shipping arrangements, and customer preferences.
  • Payment Terms: T/T is a commonly discussed payment method. The deposit ratio, balance payment schedule, and other acceptable arrangements are subject to mutual agreement and contract terms.
  • Packaging & Shipping: Steel pipes can be bundled, marked, and protected according to customer requirements. Export packaging, loading arrangements, and shipping schedules can be coordinated based on the order and destination port.
  • Quotation & Order Confirmation: To receive an accurate quotation, please provide the applicable standard, steel grade, outside diameter, wall thickness, pipe length, quantity, inspection requirements, and destination port.

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