L450 Alloy Steel Gas Line Pipe 20 Inch
20-inch (508 mm max) seamless L450 (X65 equivalent) alloy steel pipe for natural gas transmission lines. HTS 7304.19.5050 covers this diameter-specific seamless alloy line pipe for pipelines.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stainless and threaded
Threaded stainless fittings separate from plain end pipeline tubes.
If for threaded oil well casing
End-use as well casing with threads classifies under 7306, not pipeline 7304.
If cold-drawn vs hot-finished
Surface finish method creates distinctions within welded categories.
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
• Certify compliance with ISO 3183 standards alongside API for international acceptance
• Declare exact alloy grade; generic 'steel pipe' invites Customs alloy determination
• Ship in standard 40-ft lengths to avoid 'cut-to-length' processing duty issues
Related Products under HTS 7304.19.50.50
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X65 Alloy Steel Seamless Line Pipe 16 Inch
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API 5L X60 Sour Service Line Pipe 10 Inch
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X52 Sour Resistant Alloy Line Pipe 14 Inch
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High Yield X70 Alloy Steel Pipeline 8 Inch
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PSL2 grade X52 seamless alloy steel line pipe, 18-inch OD (457.2 mm), for sour and high-pressure gas lines. Fits HTS 7304.19.5050 as alloy steel seamless pipe within the specified OD range for oil/gas pipelines.