API 5L X52 Pipe Specifications

The following technical data covers API 5L X52 Line Pipe material standards and performance requirements.

Attribute Specification Details
Standard Compliance API 5L (46th Edition) / ISO 3183
Product Specification Level PSL1 and PSL2
Outside Diameter (OD) 1/2" to 24" (Seamless), up to 60" (Welded)
Wall Thickness SCH 10 through SCH XXS (Custom up to 100 mm)
Pipe Lengths SRL, DRL, and Fixed Lengths up to 12 Meters
Manufacturing Types Seamless, ERW, LSAW, SSAW / HSAW
End Connections Plain End, Beveled End, Threaded & Coupled
Surface Coating FBE, 3LPE, Black Paint, Anti-Corrosion Oil, Galvanized
Testing Standards Hydrostatic, Ultrasonic, Eddy Current, X-Ray (PSL2)
Dimensional Standard ASME B36.10M / ASME B36.19M

API 5L X52 Pipe Sizes and Dimensions

The following technical data provides a comprehensive overview of the dimensional availability and manufacturing ranges of API 5L X52 Line Pipes.

Parameter Specification / Range
Outside Diameter (OD) 2 3/8" to 60" (60.3 mm – 1,524 mm)
Manufacturing Methods Seamless, ERW, LSAW, SSAW
Wall Thickness Per API 5L Table 7 (SCH 10 to XXS)
Standard Lengths Single Random (SRL) and Double Random (DRL)
Custom Lengths Precision Fixed/Exact Cut Lengths available
End Connections Plain, Beveled, Threaded & Coupled
Dimensional Standard ASME B36.10M / API 5L

API 5L X52 Pipe Price

Current rates average ₹65–₹110/kg in India and $0.90–$1.80/kg in the USA. API 5L X52 pipe pricing depends on dimensions, manufacturing method, and PSL level. Contact us for specific project quotes.

API 5L X52 Chemical Composition

The table below presents chemical composition limits for API 5L X52 line pipe under PSL1 and PSL2.

PSL2 enforces a lower Carbon Equivalent (CE) calculated as per API 5L (CEIIW or CET depending on product form). The combined V + Nb + Ti doesn't exceed 0.15% for PSL2.

PSL1 X52 (max %)

Carbon C
Max 0.28%
Manganese Mn
Max 1.40%
Silicon Si
—
Phosphorus P
Max 0.030%
Sulfur S
Max 0.030%
Vanadium V
—
Niobium Nb
—
Titanium Ti
—

PSL2 X52 (max %)

Carbon C
Max 0.24%
Manganese Mn
Max 1.40%
Silicon Si
Max 0.45%
Phosphorus P
Max 0.025%
Sulphur S
Max 0.015%
Vanadium V
Max 0.10%
Niobium Nb
Max 0.05%
Titanium Ti
Max 0.04%

API 5L X52 Mechanical Properties

The table below lists mechanical properties for API 5L X52 pipe under PSL1 and PSL2 specification levels.

PSL2 sets maximum yield and tensile caps to prevent excessive hardness. CVN impact testing at design temperature confirms toughness, and NDT applies to every welded length.

PSL1 X52

358
MPa (min)
Tensile Strength
460
MPa (min)
Yield Strength
Per API 5L Table
Elongation

PSL2 X52

360
MPa (min)
Tensile Strength
460
MPa (min)
Yield Strength
Per API 5L Table
Elongation
Property PSL1 X52 PSL2 X52
Yield Strength (min) 52,000 psi (358 MPa) 52,200 psi (360 MPa)
Yield Strength (max) -- 76,900 psi (530 MPa)
Tensile Strength (min) 66,700 psi (460 MPa) 66,700 psi (460 MPa)
Tensile Strength (max) -- 110,200 psi (720 MPa)
Elongation (min) Per API 5L Table Per API 5L Table
Charpy Impact (0°C) Not required Required
Request a Quote for API 5L X52 Pipe Request a Quote

Equivalent International Standards

The table below maps API 5L X52 to equivalent designations across major international standards.

Standard Designation Region
ISO 3183 L360 / L360NB / L360MB / L360QB International
EN 10208-2 L360MB / L360QB Europe
CSA Z245.1 Grade 359 Canada
GB/T 9711 L360 China
DNV-OS-F101 SMYS 360 Offshore

API 5L X52 Pipe Industrial Applications

API 5L X52 line pipe serves 4 primary application sectors: oil and gas, water infrastructure, offshore pipelines, and structural projects.

Oil and Gas Transmission Pipelines

X52 is the most specified grade for medium-pressure onshore crude oil and natural gas trunk lines spanning hundreds of kilometres.

Water Transmission and Infrastructure

Large-diameter X52 SSAW and LSAW pipes carry potable water, raw water, and treated effluent in municipal networks.

Offshore and Subsea Pipelines

X52 PSL2 pipe qualified to DNV-OS-F101 serves subsea flowlines, risers, and export pipelines in offshore production.

Structural and Piling Applications

X52 line pipe functions as structural columns, bearing piles, and foundation casing in heavy construction.

Shipping & Packaging

Main export packaging setup Heavy-duty wooden boxes Packing
Export Packaging Standard

We strictly follow seaworthy export handling standards to protect API 5L X52 pipe from transit damage, moisture ingress, and surface contamination during long-distance dispatch.

  • Heavy-duty wooden boxes with moisture barrier lining
  • HDPE stretch film wrapping on all bundles
  • Plastic end caps on threaded and plain-end pipes
  • Silica gel desiccants to minimize moisture exposure
  • ISPM-15 fumigated wooden packaging for export
shipping preparation Pipe Bundle Yard Staging
Shipping packaging Container End-Cap Protection
Shipping stock Wrapped Export-Ready Bundles

We Export Worldwide

Sachiya Steel International supplies carbon steel products to major industrial markets across North America, Europe, the Middle East, Asia and Africa with export-ready documentation and logistics support.

  • USA flagUSA
  • Canada flagCanada

Frequently Asked Questions:

What is the SMYS of API 5L X52 Pipe? +
The SMYS is 52,000 psi (358 MPa). In ISO 3183, the equivalent designation is L360 (360 MPa minimum yield strength).
What is the difference between API 5L X52 PSL1 and PSL2? +
PSL2 requires mandatory Charpy impact testing, tighter chemical limits, NDE, and full traceability. PSL1 covers standard service. Offshore and sour service projects require PSL2.
What is the Equivalent of API 5L X52 in ISO 3183? +
API 5L X52 is equivalent to ISO 3183 L360. Delivery condition variants are L360NB (normalising rolled), L360MB (thermomechanical rolled), and L360QB (quenched and tempered).
What pipe sizes are available in API 5L X52? +
Sizes range from 2 3/8 inches (60.3 mm) to over 60 inches (1524 mm) OD. Seamless covers smaller diameters; LSAW and SSAW serve large-diameter projects.
What are the differences between X52M, X52N, and X52Q? +
X52M is thermomechanically rolled (sour service suitable), X52N is normalising rolled, and X52Q is quenched and tempered. Each suffix defines the heat treatment per the API 5L 46th edition.
Which is better for pipelines: Seamless or Welded API 5L X52 Pipe? +
The cost of seamless is higher, but it provides uniform walls and higher pressure ratings. For larger diameters, welded conduit (ERW, LSAW, SSAW) is a cost-effective option. OD, urgency, and budget are all factors that influence the selection process.
Is API 5L X52 Pipe suitable for sour service? +
X52 PSL2 pipe in X52M or X52Q delivery condition can be specified for sour service per NACE MR0175 / ISO 15156. PSL1 is not suitable.

Get expert guidance and technical support. Request a Quote