11-3/4 inch 42# L80 Type 9 Cr13 Casing
Wait, recalibrate: Seamless 10 3/4 inch L80 Type 9 (13Cr) casing, 42 lb/ft, 12.0 mm wall (under limit), for corrosive gas wells. Provides corrosion resistance in sour service. Still nonalloy per HTS definition despite Cr content.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If chromium exceeds nonalloy limits
High Cr 13% versions classify as alloy steel casing.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• 13Cr material requires HIC/SSC test certificates for sour service compliance
• Confirm nonalloy status via chemical analysis (<1.65% Cr typically)
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