Chrome-Moly Rectangular Tubing 75x25x2.5mm
Welded chrome-molybdenum alloy steel rectangular tube, 75mm x 25mm with 2.5mm wall, used in high-stress bicycle frames and pressure vessel supports. HTS 7306.61.70 applies to its noncircular welded construction, alloy composition, and thin wall thickness.
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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.
If seamless and cold-drawn
Seamless boiler/pressure tubes of alloy steel have dedicated provisions.
If imported in coils
Coiled hollow profiles before final sizing classified differently from straight lengths.
If frame components imported with bicycle parts
Assembled vehicle frame tubes classified by end-use in Chapter 87.
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Import Tips & Compliance
• Provide alloy grade specification (e.g
• ASTM A519 Grade 4130) matching HTS alloy steel definition
• Ensure no external reinforcements that could alter cross-section classification
• Document country of melt and pour for Section 232 steel tariff applicability
Related Products under HTS 7306.61.70
Alloy Steel Square Tubing 50x50x2mm
Welded square tube made from alloy steel with 50mm x 50mm cross-section and 2mm wall thickness, used in structural frameworks and machinery guards. It falls under HTS 7306.61.70 as it is a welded, noncircular hollow profile of square cross-section from alloy steel with wall thickness less than 4mm.
Stainless Alloy Rectangular Pipe 100x50x1.5mm
Welded rectangular hollow section from stainless alloy steel, dimensions 100mm x 50mm with 1.5mm wall, ideal for architectural railings and furniture frames. Classified in HTS 7306.61.70 due to its welded noncircular rectangular profile, alloy steel material, and thin wall under 4mm.
Alloy Steel Square Hollow Section 40x40x3mm
Welded alloy steel square tube 40mm x 40mm outer with 3mm wall thickness, commonly used in automotive chassis components and roll cage fabrication. Meets HTS 7306.61.70 criteria: welded square cross-section, alloy steel, wall <4mm.
Alloy Steel Architectural Square Profile 60x60x1.8mm
Precision welded square profile of corrosion-resistant alloy steel, 60mm sides and 1.8mm wall, for modern building facades and handrails. Fits HTS 7306.61.70 as welded noncircular square hollow section of alloy steel under 4mm thick.
4140 Alloy Square Tube 30x30x2mm
Welded 4140 chrome-moly alloy steel square tubing, 30mm x 30mm x 2mm wall, popular for off-road vehicle roll cages and fitness equipment. HTS 7306.61.70 covers welded alloy steel square hollow profiles with walls less than 4mm.
17-4PH Stainless Rectangular Section 80x40x3mm
Welded 17-4 precipitation hardening stainless steel rectangular hollow, 80x40mm x 3mm wall for aerospace ground support equipment. Classifies under HTS 7306.61.70: alloy steel, welded rectangular, thin wall.