8-5/8 Inch Sour Service Casing
8-5/8 inch L80-9Cr sour service welded casing for H2S-prone oil reservoirs, without couplings. HTS 7306.29.41.00 covers other steel casing for drilling. Meets NACE standards for sulfide stress cracking resistance.
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Import Tips & Compliance
• NACE material certs mandatory; hardness testing records
• Pitfall: Cr content affecting alloy steel Chapter
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