Alloy Steel Seamless Boiler Tube ASTM A335 P11 from United States
Seamless boiler tube made from 1.25% chromium-molybdenum alloy steel (ASTM A335 P11 grade), designed for high-pressure boiler applications with wall thickness exceeding 4 mm. Classified as alloy steel seamless tube.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Ensure wall thickness is over 4 mm
• Include ASTM specification documents to support the alloy steel classification