RA333 Heat-Resistant Seamless Muffler Tube
Seamless RA333 alloy steel tube for high-performance automotive exhaust mufflers enduring combustion temperatures. HTS 7304.59.60.00 covers its seamless circular form and heat-resisting steel properties for automotive thermal applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If cold drawn with yield strength >35 ksi
Meeting specific cold-drawn mechanical criteria triggers different statistical breakout.
If pre-assembled into complete muffler
Full exhaust system components become parts of motor vehicles in Chapter 87.
If welded stainless construction
Welded versions of similar heat-resisting steel classify under welded stainless pipes.
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
• ,Separate from catalytic converter substrates which classify differently
• Bulk shipments risk reclassification if not individually measured for circular spec
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