Duplex 2205 Stainless Steel Round 35mm Diameter
Duplex 2205 (UNS S31803) stainless steel semi-finished round product, 35mm diameter (~96 cm² area), offering high strength and corrosion resistance for oil & gas applications. HTS 7218.99.0045 applies to stainless circular cross section semi-finished products under 232 cm². Hot-rolled condition suitable for further machining.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stainless tool steel grade per U.S. note (e)
Tool steels with specific alloy compositions (high Cr/C) defined in notes classify under 7222 bars, not general stainless 7218.
If forged rather than rolled semi-finished
Forged stainless products in irregular wound coils or lengths go to 7214, distinct from rolled semi-finished in 7218.
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Import Tips & Compliance
• Certify duplex microstructure with ferrite/austenite balance testing per ASTM A923
• Document PREN value (pitting resistance equivalent) above 35 to confirm stainless classification
• Ensure no heat treatment beyond annealing that constitutes 'further working'
Related Products under HTS 7218.99.00.45
AISI 304 Stainless Steel Round Bar 25mm Diameter
A semi-finished round bar made from AISI 304 austenitic stainless steel with a 25mm diameter, resulting in a cross-sectional area of approximately 49.1 cm². Classified under HTS 7218.99.0045 as a stainless steel product of circular cross section with area less than 232 cm², in primary semi-finished form not further worked beyond basic hot-rolling. Used primarily for machining into valves, fittings, and structural components.
316L Stainless Steel Round Billet 50mm Diameter
Semi-finished 316L stainless steel round billet with 50mm diameter (cross-sectional area ~196 cm²), used for forging and extrusion into pipes and tubes. Falls under HTS 7218.99.0045 as stainless steel semi-finished product of circular cross section less than 232 cm², in primary form without further working. Low carbon content provides excellent corrosion resistance for marine applications.
17-4 PH Stainless Steel Round Bar 20mm Diameter
Precipitation hardening 17-4 PH (630) stainless round semi-finished product, 20mm diameter (~31 cm²), for aerospace and medical components requiring high strength. Classified HTS 7218.99.0045 as stainless circular semi-finished under 232 cm² area. Solution treated condition for subsequent aging.
310 Stainless Steel Round Billet 45mm Diameter
High-temperature 310 stainless steel round billet, 45mm diameter (~159 cm² area), for furnace parts and heat exchangers. HTS 7218.99.0045 for stainless semi-finished circular products less than 232 cm². Excellent oxidation resistance up to 1100°C.
321 Stainless Steel Round Semi-Finished 15mm Diameter
Stabilized 321 stainless steel round product, 15mm diameter (~17.7 cm²), titanium-alloyed for weldability in aircraft exhausts. HTS 7218.99.0045 covers circular stainless semi-finished under 232 cm². Prevents carbide precipitation during welding.
904L Super Austenitic Stainless Round 30mm
904L super austenitic stainless round semi-finished, 30mm diameter (~70.7 cm²), with high Mo/Cu for chemical processing. HTS 7218.99.0045 for circular stainless <232 cm² area. Superior corrosion resistance in sulfuric acid environments.