Industry
Oil & Gas
Engineered Pipeline Products for High-Pressure and Corrosive Oil & Gas Applications
Oil & Gas Industry Pipeline Solutions
Oil & gas pipeline systems operate under some of the most demanding conditions in the energy industry. High pressure and high temperature environments place extreme mechanical stress on flanges, pipes, and fittings, requiring materials and manufacturing processes that can ensure long-term safety and reliability in upstream, midstream, and downstream applications.
- ASME / ASTM / API
- NACE MR0175
- ISO / PED（GEO）
Product Solutions
We provide comprehensive product solutions for the oil and gas and industrial sectors, covering pipelines, flanges, pipe fittings, and prefabricated components. Our products ensure long-term stable operation under high-temperature, high-pressure, and corrosive conditions, and are widely used in petroleum, natural gas, chemical, and related industrial projects.
Oil & Gas Flange Series
Specifically engineered for oil and gas industry applications, covering multiple pressure ratings and connection types, compliant with international standards such as ASME, ANSI, and API, ensuring the safety and reliability of system connections.
Weld Overlay Pipe & Fittings
Utilizing internal overlay welding technology, a corrosion-resistant alloy layer is bonded to the base material, effectively extending the service life of pipes and fittings in highly corrosive environments while reducing overall operational and maintenance costs.
Carbon / Alloy Steel Pipes
Offering diverse carbon and alloy steel material options with superior mechanical properties and weldability, meeting diverse operational conditions and project standard requirements.
Prefabricated Piping Spools
Modular prefabrication based on project drawings reduces on-site welding and installation workload, boosting construction efficiency while ensuring controllable project progress and quality.
aPPLICATION
Our oil & gas pipeline products are widely used across upstream, midstream, and downstream projects,
providing reliable performance under high pressure, high temperature, and corrosive operating conditions.
Onshore Pipeline
Long-distance oil and gas transmission pipelines requiring high-strength steel pipes, forged flanges, and reliable pipe fittings.
Offshore Platform
For offshore and subsea platforms exposed to harsh marine environments, DHX provides corrosion-resistant materials, clad piping, and high-integrity flange connections.
Refinery
Process piping systems in oil refineries operating under high temperature, high pressure, and complex chemical media, demanding strict compliance with ASME, ASTM, and API standards.
LNG Plant
LNG processing and liquefaction facilities requiring precision-engineered piping systems, prefabricated piping spools, and leak-free flange connections for cryogenic and high-pressure applications.
Related Cases
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