Shipbuilding Steel Plate Grade AH32 25mm Thick
Grade AH32 normalized shipbuilding steel plate, hot-rolled 25mm thick, 2400mm wide, flat not coiled. Although normalized, primary hot-rolling process places it under HTS 7208.51.0060 for thick nonalloy plates. Used for hull construction requiring impact toughness.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If tool steel alloy composition
Specific chromium/carbon combinations meeting tool steel definitions in US notes.
If thickness of 4.75mm or less
Plates <=4.75mm thick, even same grade, classify under thinner plate provisions.
If vessels floating structures
Fabricated into ships/floating structures imports under Chapter 89.
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Import Tips & Compliance
• ABS/DNV classification society certificates required for marine applications
• Charpy impact test documentation essential for shipbuilding grades
• Distinguish normalization (allowed) from other heat treatments (further worked)
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