440C Stainless Steel Round Tool Blank 40mm
440C martensitic stainless round blank, 40mm diameter (~125.6 cm²), for bearings and valves. HTS 7218.99.0045 as stainless circular semi-finished under 232 cm². High carbon for hardness after heat treatment.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If meets ball-bearing steel U.S. note (h)
Specific C/Cr/Si compositions for ball-bearing steel classify under 7224.90 semi-finished.
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Import Tips & Compliance
• Certify 0.95-1.20% carbon range distinguishing from lower-carbon grades
• Ensure blank condition (not ground) maintains semi-finished status
• Avoid pre-machined features that constitute parts classification
Related Products under HTS 7218.99.00.45
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321 Stainless Steel Round Semi-Finished 15mm Diameter
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