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Seamless Steel Structural Column Pipe 8-inch

Large diameter seamless nonalloy steel pipe, 8-inch for building column applications and structural supports. Provides high load-bearing capacity with circular section. HTS 7304.39.00 classification.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

More Specific Codes

This product may fall under a more specific subheading:

7304.39.00.02Having an outside diameter less than 38.1 mm
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7304.39.00.04Having an outside diameter of 38.1 mm or more but less than 190.5 mm
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7304.39.00.06Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm
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7304.39.00.08Having an outside diameter exceeding 285.8 mm
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7304.39.00.16Galvanized, having an outside diameter not exceeding 114.3 mm
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7304.39.00.20Having an outside diameter less than 38.1 mm
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7304.39.00.24Having a wall thickness less than 6.4 mm
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7304.39.00.28Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mm
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7304.39.00.32Having a wall thickness exceeding 12.7 mm
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7304.39.00.36Having a wall thickness less than 12.7 mm
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7304.39.00.40Having a wall thickness of 12.7 mm or more but less than 19 mm
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7304.39.00.44Having a wall thickness of 19 mm or more
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7304.39.00.48Having a wall thickness less than 12.7 mm
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7304.39.00.52Having a wall thickness of 12.7 mm or more but less than 19 mm
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7304.39.00.56Having a wall thickness of 19 mm or more
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7304.39.00.62Having a wall thickness less than 12.7 mm
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7304.39.00.68Having a wall thickness of 12.7 mm or more but less than 19 mm
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7304.39.00.72Having a wall thickness of 19 mm or more
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7304.39.00.76Having a wall thickness less than 19 mm
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7304.39.00.80Having a wall thickness of 19 mm or more
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Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7308.90.95Same rate: 35%

If fabricated into structural shapes

Welded/fabricated steel structures classify under 7308.

7306.61.10Same rate: 35%

If welded structural tubing

Standard structural tubing is welded under 7306.61.

7304.59.80Same rate: 35%

If high-strength low-alloy steel

Structural alloy steel seamless pipes under 7304.59.

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Import Tips & Compliance

• Structural steel certificates (e.g

• ASTM A500 equivalent seamless) required

• Moment of inertia calculations support structural vs. pressure use

• Avoid HSS (hollow structural section) terminology which implies welded 7306

Related Products under HTS 7304.39.00

Schedule 40 Seamless Steel Pipe 2-inch

A seamless steel pipe with a 2-inch nominal diameter and Schedule 40 wall thickness, made from nonalloy steel with circular cross-section. It is used for pressure piping in plumbing and industrial applications. Classified under 7304.39.00 as other seamless tubes/pipes of iron or nonalloy steel, not suitable for boring.

Seamless Steel Boiler Tube 3-inch

Seamless circular tube of nonalloy steel, 3-inch diameter, designed for high-pressure boiler service. Meets ASTM A106 Grade B specifications for elevated temperature applications. Falls under 7304.39.00 as other seamless pipes not for boring into tubes.

Seamless Hydraulic Cylinder Tube 4-inch

Precision seamless steel tube, 4-inch OD, nonalloy steel, honed interior for hydraulic cylinder barrels. Used in heavy machinery hydraulic systems. Classified in 7304.39.00 for other seamless iron/nonalloy steel pipes of circular section.

ASTM A519 Seamless Mechanical Tubing 1-1/2 inch

Seamless carbon steel mechanical tubing per ASTM A519, 1-1/2 inch OD, for machinery shafts and structural uses. Nonalloy steel with circular cross-section. Under 7304.39.00 as other seamless pipes/tubes.

Seamless Steel Fence Post Tubing 2-3/8 inch

Heavy-duty seamless nonalloy steel tubing, 2-3/8 inch OD, for chain-link fence posts and agricultural fencing. Circular cross-section suitable for structural outdoor use. HTS 7304.39.00 for other seamless pipes.

Seamless Steel Condenser Tube 1-inch

Thin-wall seamless nonalloy steel tube, 1-inch OD, for heat exchanger condensers in power plants. Designed for corrosive environments with enhanced surface treatment. Classified 7304.39.00 as other circular seamless tubes.