Special Thread for Steel Tube

Non-API Premium Threaded Connection
Manufacturing Specification of Premium Threaded Connection
No. Type of Premium Threaded Connection Tube Grade Tube Specification
Outer Diameter Wall Thickness Economical Length
/mm /mm /m
1 HSM-1
HSM-2
HSN
HSFJ
HSKS
API 5CT H40, J55 K55, N80-1 42 ~ 114.3 3.5 ~ 8 6 ~ 12.2
60 ~ 114.3 8 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
140 ~ 368 6 ~ 25 6 ~ 12.2
318 ~ 508 14 ~ 25 4 ~ 12.5
2 N80Q, R95, L80-1 L80-9Cr, L80-13Cr C90-1, T95-1, C110 P110, Q125-1 42 ~ 114.3 4 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
140 ~ 368 6 ~ 25 6 ~ 12.2
318 ~ 720 14 ~ 25 6 ~ 12.5
3 Non-API Anti-H2S Corrosion Casing and Tubing HS80S, HS80SS HS90S, HS90SS HS95S, HS95SS HS100S, HS100SS HS110S, HS110SS 42 ~ 114.3 4 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
140 ~ 368 6 ~ 25 6 ~ 12.2
318 ~ 720 14 ~ 25 6 ~ 12.5
4 Non-API Anti-CO2 Corrosion Casing and Tubing HS80S-3Cr, HS80SS-3Cr HS90S-3Cr, HS90SS-3Cr HS95S-3Cr, HS95SS-3Cr HS110S-3Cr, HS110SS-3Cr 42 ~ 114.3 4 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
140 ~ 368 6 ~ 25 6 ~ 12.2
318 ~ 720 14 ~ 25 6 ~ 12.5
5 Non-API Collapse Resistance Casing and Tubing HS80T, HS80TT HS90T, HS90TT HS95T, HS95TT HS110T, HS100TT HS125T, HS125TT 114.3 4 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
140 ~ 368 6 ~ 25 6 ~ 12.2
318 ~ 720 14 ~ 25 6 ~ 12.5
6 Non-API Thermal Recovery Well Casing and Tubing HS80H
HS100H
HS110H
114.3 4 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
140 ~ 368 6 ~ 25 6 ~ 12.2
318 ~ 720 14 ~ 25 6 ~ 12.5
7 Non-API Deep Well Casing and Tubing HS140
HS150
HS155
114.3 4 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
140 ~ 368 6 ~ 25 6 ~ 12.2
318 ~ 720 14 ~ 25 6 ~ 12.5
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