10-3/4 Inch H40 Coupled Casing String
H40 grade 10-3/4 inch casing string, fully threaded and coupled for oilfield use. Lower yield strength nonalloy steel. Under 7306.29.10 as welded threaded casing.
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If stainless steel H40 equivalent
Material change to stainless shifts subheading within 7306.29.
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Import Tips & Compliance
• H40 requires specific heat treatment docs; include in every shipment
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