What Type Of Steel Is Used For Pipelines
Pipeline construction typically uses carbon steel due to its excellent strength, durability, and cost-effectiveness. High-strength low-alloy (HSLA) steels are often preferred for modern pipelines, as they offer enhanced mechanical properties, including higher tensile strength and improved toughness, while maintaining resistance to cracking and fatigue. These steels are designed to withstand high internal pressures, extreme temperatures, and environmental stressors such as corrosion and soil movement. For corrosive environments, pipelines may also use coated or lined steel and specialized alloys to extend service life. Seamless or welded steel pipes are selected based on project requirements, with strict adherence to international standards like API 5L to ensure safety and reliability. Overall, carbon steel and its alloys remain the industry standard, balancing performance, durability, and economic feasibility for transporting oil, gas, and water over long distances.