Cold-Drawn Incoloy 825 Alloy Steel Tube
Seamless cold-drawn tube from Incoloy 825 nickel-iron-chromium alloy steel for sour gas service in oilfield equipment. HTS 7304.51.50 applies to this circular cross-section cold-rolled 'other' alloy steel tube. Exceptional resistance to sulfide stress cracking.
Import Duty Rates by Country of Origin
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 not alloy steel (under 1.5% alloying elements)
Low-alloy seamless tubes classify under 7304.2x.
If nickel content determines principal material
Nickel alloy tubes may shift to Chapter 75.
If imported as oilfield drilling parts
Specific petroleum machinery parts under Chapter 84.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• NACE MR0175 compliance docs needed for oilfield certification alongside HTS
• Confirm 'other alloy steel' via UNS N08825 designation
• Avoid declaring as nickel alloy primary (Chapter 75) if steel matrix dominant
Related Products under HTS 7304.51.50
Cold-Drawn 4340 Alloy Steel Hollow Bar
High-strength 4340 alloy steel cold-drawn hollow profile for gun barrels. Seamless circular under 16mm wall, HTS 7304.51.50.
Cold-Reduced Monel 400 Equivalent Steel Tube
Monel 400-like alloy steel seamless cold-reduced tube for marine propulsion. HTS 7304.51.50 classification.
Cold-Drawn 321 Stabilized Stainless Tube
321 stabilized stainless seamless cold-drawn tube for aircraft exhausts. Circular alloy steel HTS 7304.51.50.
Cold-Rolled 347 Stainless Steel Process Tube
347 columbium-stabilized stainless cold-rolled seamless tube for petrochem. HTS 7304.51.50.
Cold-Rolled 316Ti Stabilized Stainless Tube
Titanium-stabilized 316Ti stainless seamless cold-rolled tube for heat exchangers. Circular cross-section under HTS 7304.51.50.
Cold-Drawn 316 Stainless Steel Hydraulic Tube
Seamless cold-drawn tube made from 316 alloy steel with circular cross-section, used in high-pressure hydraulic systems for machinery. It falls under HTS 7304.51.50 as a cold-formed hollow profile of other alloy steel, not further worked beyond cold-rolling. Dimensions typically under 16mm wall thickness to qualify as precise tubing.