X80 pipeline steel is an American classification model of high-strength pipeline steel. X represents pipeline steel in the API Spec 5L standard, 80 is its strength level, and its unit is"kpsi". X80 represents pipeline steel with a minimum yield strength of 80kpsi, which can be converted into a metric unit equal to approximately 555MPa.
X80 pipeline steel is one of the two most mature and widely used high-strength pipeline steels in the world. X80 pipeline steel is mainly supplied in hot rolled and normalized state. X80 pipeline steel is widely used for long distance transportation of oil and natural gas, so high strength, high toughness, good weldability, certain resistance to HIC and SSC are required.
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