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8483.90.10.50/Heavy Duty Mining Chain Sprocket 80A25/Japan

Heavy Duty Mining Chain Sprocket 80A25 from Japan

Flame-hardened 80A25 sprocket for 1 inch pitch mining conveyor chains, alloy steel. HTS 8483.90.1050 covers as other chain sprockets for harsh environments. Critical for continuous miners and haulage systems.

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%
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Import Tips

• Include hardness testing (Rockwell C50+) and abrasion resistance data

• Specify MSHA compliance for US mining applications

• Avoid misclassification as earth-moving equipment parts under 8430