Hengyang Valin Steel Tube Co., Ltd.
Hengyang City · Hunan Province · People's Republic of China
Casing & Tubing Threads; Line Pipe Threads
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Line Pipe Threads
- Standard
- API-5B
- Product use
- Materials & connections
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Castings, forgings and fasteners form the physical foundation of reliable equipment.
Standard description (API source text):
Threading, Gauging and Thread Inspection of Casing, Tubing and Line Pipe Threads
Names and standard mappings come from the API Composite List search snapshot. Product-use groups and Chinese reading aids are OFMP editorial additions, not official API classifications or translations; original English names are retained for comparison. Category snapshot: 2026-10-10
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