L80-9Cr Low Alloy Steel OCTG Product IntroductionI'm sorry, but it seems that there is no text provided for translation. Please provide the text you would like me to translate.

I'm sorry, but it seems that there is no text provided for translation. Please provide the text you would like me to translate.1. Material OverviewIt seems that there is no text provided for translation. Please provide the text you would like me to translate.
L80-9Cr is a cost-effective chromium-modified low alloy steel designed for oil country tubular goods applications. This material bridges the performance gap between conventional carbon steels and higher-grade 13Cr alloys, offering improved corrosion resistance while maintaining economic viability.

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• I'm sorry, but it seems that there is no text provided for translation. Please provide the text you would like me to translate.Chemical Composition: Contains 8-10% chromium with controlled carbon content (0.15-0.25%) and minor alloying elements
• I'm sorry, but it seems there is no text provided for translation. Please provide the text you would like me to translate.Mechanical Properties: Meets API 5CT L80 grade requirements with minimum yield strength of 552 MPa (80 ksi) and maximum hardness of 23 HRC
• I'm sorry, but it seems that there is no text provided for translation. Please provide the text you would like me to translate.Corrosion Resistance: Provides 2-3 times better CO₂ corrosion resistance than standard carbon steels

I'm sorry, but it seems that there is no text provided for translation. Please provide the text you would like me to translate.3. Performance CharacteristicsI'm sorry, but it seems that there is no text provided for translation. Please provide the text you would like me to translate.

• Suitable for sweet service applications with moderate CO₂ partial pressures
• Operating temperature range from -18°C to 121°C
• Better sulfide stress cracking resistance than conventional carbon steels

I'm sorry, but it seems that there is no text provided for translation. Please provide the text you would like me to translate.4. Primary ApplicationsI'm sorry, but it seems that there is no text provided for translation. Please provide the text you would like me to translate.

• Production tubing in sweet oil wells with moderate CO₂ content
• Casing strings in mildly corrosive environments
• Economical alternative where 13Cr alloys are not justified

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• Manufactured to API 5CT specifications
• Available in standard OCTG sizes
• Typically supplied in quenched and tempered condition