Product Overview
PIPE-CARBON-PRO Heavy-Wall Carbon Steel Pipe is a premium-grade structural and industrial pipe engineered for high-pressure, high-strength applications in demanding environments. This carbon steel pipe conforms to both ASTM A106 Gr.B and API 5L X52 specifications—ensuring exceptional tensile strength, weldability, and consistent mechanical performance across global project standards. With an outer diameter of 168.3mm OD and wall thickness of 12.7mm (Schedule 80), it delivers superior load-bearing capacity and corrosion resistance under elevated temperatures and pressures. As a rigorously tested SCH80 pipe, it exceeds standard dimensional tolerances and meets stringent NDT (Non-Destructive Testing) requirements for seamless integrity.
Manufactured via hot-finished seamless process and precision cold-drawn finishing, this ASTM A106 pipe offers uniform grain structure, minimal ovality, and excellent surface finish—critical for pipeline integrity in oil & gas transmission, power generation, and chemical processing systems. Its dual certification as both API 5L X52 metal pipe and ASTM A106 Gr.B ensures full compliance with international procurement mandates and third-party inspection protocols (e.g., API Q1, ISO 9001).
Key Features
- Seamless construction for zero weld-line vulnerability
- Dual-certified to ASTM A106 Gr.B and API 5L X52
- Schedule 80 heavy-wall design (12.7mm WT) for high-pressure service
- Optimized for field welding, threading, and flanging
- Mill test reports (MTRs) provided per EN 10204 3.1/3.2
- Available in random lengths (5.8–6.4m) or cut-to-length with beveled ends
Technical Specifications
| Parameter |
Value |
| Standard |
ASTM A106 Gr.B / API 5L X52 |
| Outer Diameter (OD) |
168.3 mm |
| Wall Thickness (WT) |
12.7 mm (SCH80) |
| Length |
Random: 5.8–6.4 m; Custom cut-to-length available |
| Manufacturing Process |
Hot-finished seamless + cold-drawn finishing |
| Tensile Strength |
415 MPa min |
| Yield Strength |
240 MPa min (X52), 240 MPa min (A106 Gr.B) |
| Elongation |
≥20% (in 2 in / 50 mm) |
| Surface Finish |
Smooth, scale-free, oil-free |
| End Finish |
Plain end (PE) or beveled end (BE) per ASME B16.25 |
| Packing |
Steel-banded bundles with protective plastic caps |
| Testing |
Hydrostatic test (1.5× working pressure), UT/ET, PMI, MTR included |
Applications
This heavy-wall carbon steel pipe is widely deployed in upstream and midstream energy infrastructure—including sour service pipelines, refinery process lines, boiler feedwater systems, and offshore platform risers. It serves as a preferred ASTM A106 pipe for high-temperature steam lines in thermal power plants and as a compliant API 5L X52 metal pipe for onshore gas transmission networks. Its 168.3mm OD pipe dimension and SCH80 pipe rating make it ideal for ASME B31.4/B31.8-compliant installations requiring long-term structural reliability and minimal maintenance cycles.
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