Thin-Wall 321 Stainless Steel Tubing
Welded 321 grade stainless steel tube with more than 0.5% nickel, circular cross-section, and wall thickness below 1.65 mm. This product matches 7306.40.1015 criteria for high-nickel, thin-walled welded stainless tubes, used in aerospace and heat exchanger applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If seamless 321 stainless steel variant
Seamless tubes of stainless steel are in heading 7304.
If nickel content ≤0.5%
Chemical composition threshold determines subheading within welded stainless.
If imported as heat exchanger tube bundles
Assembled heat exchangers classify as machinery parts in Chapter 84.
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
• Include heat treatment records to prove weld integrity and alloy stability
• For aerospace end-use, prepare ITAR/EAR documentation alongside HTS filing
Related Products under HTS 7306.40.10.15
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