Magnesia Carbon Submerged Entry Nozzle Tips from Japan
Replaceable tips for submerged entry nozzles in continuous casting, made with 75% MgO, 20% carbon, pitch-bonded for steel-slag resistance. Critical for billet quality. HTS 6815.99.41.10 covers these specific chemically bonded mineral compositions.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Use ISO-certified analysis for MgO/carbon verification; customs audits common for refractories
• Declare as 'refractory articles' not machinery parts to avoid higher duties
• Monitor origin marking—India/China sources often face special duties