Steel Instrument Tubing OD 130mm WT 6mm
Seamless nonalloy steel tubing for instrumentation and control lines in process plants, OD 130 mm, wall thickness 6 mm. Falls under HTS 7304.39.0036 specifications for seamless circular tubes of iron/nonalloy steel, OD 114.3-190.5 mm, wall <12.7 mm. Tight tolerances for pressure and vibration resistance.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If wall thickness exceeds 12.7 mm
Thicker wall instrument tubes in same OD range use different statistical suffix.
If welded instrument tubing
Welded construction common for instrumentation, classified under welded headings.
If imported as complete instrument component
Assembled pressure/temperature instruments classified in Chapter 90.
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Import Tips & Compliance
• Document OD/ID tolerances (±0.5% typical) and surface finish requirements
• Specify if supplied in coils vs straight lengths for handling instructions
• Avoid declaring as 'capillary' tubing which applies only to much smaller diameters
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