Silico-Manganese Steel Lock Wire

Corrosion-resistant silico-manganese steel wire used for safety wiring in aviation and machinery to prevent fastener loosening. HTS 7229.20.00 applies to this high-strength, non-magnetic alloy wire meeting aerospace specifications. Typically 0.8-1.6mm diameter in soft temper.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
๐Ÿ‡จ๐Ÿ‡ณChinaFree+35.0%35%
๐Ÿ‡ฒ๐Ÿ‡ฝMexicoFree+10.0%10%
๐Ÿ‡จ๐Ÿ‡ฆCanadaFree+10.0%10%
๐Ÿ‡ฉ๐Ÿ‡ชGermanyFree+10.0%10%
๐Ÿ‡ฏ๐Ÿ‡ตJapanFree+10.0%10%

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

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

7229.90.50Same rate: 35%

If coated with identification color

Color-coated safety wire considered further worked per Chapter notes.

7318.15.20Same rate: 35%

If made into pins/screws

Fabricated aerospace fasteners classified in Chapter 73.

7222.40Lower: 10% vs 35%

If silicon-electrical steel

Different silicon content ranges determine electrical vs mechanical classification.

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

โ€ข Aerospace specs (MS24665) require exact alloy certification; declare temper condition (annealed vs half-hard); color coding may indicate further treatment

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