Cast Iron Radiator Supply Pipe 2-inch

2-inch cast iron pipe for hot water supply lines in steam or hydronic heating radiators. Under HTS 7303.00.00 for its cast iron hollow profile suited to low-pressure heating distribution.

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%

Alternative Classifications

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

7304.41.30Lower: 17.5% vs 35%

If cold-drawn alloy steel version

Steel boiler/heat exchanger tubes use 7304; cast iron lacks the alloy specs for that heading.

7307.22.10.00Same rate: 35%

If stainless steel for corrosion resistance

Stainless variants for heating shift to 7307.22 due to material composition overriding cast iron.

8403.90.00.00Lower: 17.5% vs 35%

If imported with boiler assemblies

Parts of boilers classify under 8403.90 if presented as such, per Section XVI assembly rules.

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 hydrostatic test pressure certificates (typically 350 psi) for heating code compliance

• Package with rust inhibitors; humidity during transit can cause surface oxidation leading to rejections