Standard International Trade Classification
U.S. imports of Gas-Operated Machinery & Apparatus for Soldering, Brazing & Welding (NES) (SITC 73742) totaled $457K in August 2026, imported from 19 countries.
Importers of Gas-Operated Machinery & Apparatus for Soldering, Brazing & Welding (NES) paid $48K in duties in August 2026, an average duty rate of 10.60% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Gas-Operated Machinery & Apparatus for Soldering, Brazing & Welding (NES) imports of $457K in August 2026 ran 41% below the year-to-date monthly average of $774K.
Last updated: August 2026 dataGas-fueled soldering, brazing, and welding machinery not captured by more specific SITC headings — such as automated oxy-fuel cutting tables, gas-fired brazing furnaces, and specialty flame-processing units — falls under SITC 73742. These systems are widely used in metal fabrication, automotive parts production, and HVAC equipment manufacturing where gas-flame processes remain cost-competitive with electric alternatives. The NES scope means importers must rule out classification under more specific gas-welding or cutting headings before using this code. Origin-based tariff exposure, including potential Section 301 applicability, should be evaluated at the HTS subheading level.
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43 import shipments a month
Start by checking whether the equipment fits a named, more specific SITC heading for gas welding or cutting machines. If no specific heading applies — for example, the machine performs a combination of gas-flame brazing and surface heating without a dedicated code — SITC 73742 is the appropriate residual classification. A licensed customs broker can assist with the HTS-level determination.
A manufacturer's specification sheet identifying the fuel gas type, process description (brazing, soldering, or welding), degree of automation, and intended industry application is the most useful document. If the machine performs multiple functions, a functional breakdown showing the primary use supports the classification decision and can be provided to CBP if questioned.
Basic heading 73742 · $457K of $172.0B
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Imports · August 2026
origin
Estonia and Netherlands together supply 49% of it. China pays 26.3% duty; Estonia 10.0%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$457KYoY · free account
Exports
$528KYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $9.3M of Gas-Operated Machinery & Apparatus for Soldering, Brazing & Welding (NES).
Through August 2026 · exports 10 of 12 months reported. Source: U.S. Census Bureau.