25Cr Super 13-5 Packer Extension Tubing
Seamless 25Cr Super 13-5 martensitic stainless tubing for packer extension subs in high-pressure oil wells, OD 76.2 mm, 8.5 mm wall. HTS 7304.24.60.15 designation for stainless seamless small-diameter thin-wall oilfield tubing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If larger diameter versions
OD >168.3 mm stainless tubing has separate large diameter classification.
If imported with packer assembly
As parts of downhole completion equipment, may classify under oilfield machinery.
If considered hollow bar
Machined-from-bar oilfield subs sometimes classified as hollow bars.
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
• Provide quenched and tempered heat treatment records
• Charpy V-notch impact testing at -20°C certification
• Thread protector documentation to prevent import damage claims
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