Zinc Phosphate Coated Steel Spring Strip
Narrow spring steel strip with zinc phosphate conversion coating for automotive suspension components. HTS 7212.50.00.00 for flat-rolled nonalloy steel otherwise coated per chapter note. Phosphate enhances paint adhesion and corrosion resistance.
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Alternative Classifications
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Import Tips & Compliance
• Classify as chemical surface treatment per chapter notes; provide phosphate coating weight specs; confirm spring temper hardness meets SAE J510
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