244.5 mm OD 15 CrMo Alloy Casing 14.5 mm Wall
Seamless 15CrMo alloy steel casing pipe with 244.5 mm outside diameter and 14.5 mm wall thickness, manufactured to API 5CT standards for intermediate casing strings in oil wells. Falls under HTS 7304.29.4140 as other alloy steel seamless casing exceeding 12.7 mm wall thickness in the specified OD range.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If alloy elements below threshold for 'other alloy'
Low-alloy carbon steel casing uses 7304.39.41xx instead of 7304.29.
If having wall thickness less than 12.7 mm
Direct adjacent subheading for thinner walls in same OD and material.
If imported as unfinished or rough-turned
Incomplete processing (not fully machined) may be seen as semi-finished under 7304.90.
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Import Tips & Compliance
• Alloy steel must have specified elements (Cr, Mo > threshold); provide chemical analysis certificate (Ladle analysis)
• Wall thickness tolerance is +/-12.5%; document actual measurements to prevent under/over thickness disputes
• Ship in protected bundles with end protectors; customs may inspect for thread damage affecting classification
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