Seamless Superheater Tube SA-192
Cold-rolled seamless tube of nonalloy steel per ASME SA-192, with precise wall thickness for high-temperature steam superheating in power plant boilers. Circular cross section under 16 mm wall, designed to withstand thermal stress. Falls under 7304.31.60.10 for its cold-formed seamless profile suited for superheaters.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If alloy steel composition exceeds nonalloy limits
Alloy steel seamless tubes for similar uses classify under Chapter 72 iron/steel articles.
If for hot-finished rather than cold-drawn
Hot-rolled or hot-drawn versions go to different subheading within same heading.
If supplied as replacement parts for turbine boilers
Parts of turbojet/turboprop machinery may take machinery classification over tubes.
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
• Provide ASME certification and hydrostatic test reports to prove boiler-grade quality at import
• Label with exact dimensions and steel grade to distinguish from commodity tubing
• Avoid common pitfall of misdeclaring as hot-finished, which changes duty rate
Related Products under HTS 7304.31.60.10
Cold-Drawn Evaporator Condenser Tube
Seamless tube for evaporator-condenser circuits in refining distillation columns. Dual duty classification under condensers and refining.
Surface Condenser Carbon Steel Tube
Cold-reduced tube for power plant surface condensers, seamless nonalloy for cooling high-purity steam condensate. Precision ID for insertable spears. 7304.31.60.10 for condenser duty.
Cold-Rolled Superheater Element Tube
Seamless tube elements for pendant superheater assemblies in coal-fired boilers. Cold-formed for shop fabrication. Classified for superheaters.
Process Heater Seamless Tube
Cold-drawn tube for fired process heaters in gas processing plants. Nonalloy steel for general hydrocarbon service. Refining furnace suitable.
Deaerator Heater Tube
Seamless cold-rolled tube bundle for deaerating feedwater heaters. Removes dissolved oxygen from boiler feed. Feedwater heater classification.
Waste Heat Boiler Tube
Cold-formed seamless tubes for HRSG waste heat recovery boilers in gas turbine plants. Circulating cross section for gas-side convection.