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API gauge (Casing Round Thread) | |||||
Gauge Code | Outer dia. Ø | Taper | Gauge Code | Outer dia. Ø | Taper |
4 1/2 (CSG,LCSG) | 114.30 | 1:16 | 8 5/8 (CSG,LCSG) | 219.08 | 1:16 |
5 (CSG,LCSG) | 127.00 | 9 5/8 (CSG,LCSG) | 244.48 | ||
5 1/2 (CSG,LCSG) | 139.70 | 10 3/4 (CSG,LCSG) | 273.05 | ||
6 5/8 (CSG,LCSG) | 168.28 | 11 3/4 (CSG,LCSG) | 298.45 | ||
7 (CSG,LCSG) | 177.80 | 13 3/8 (CSG,LCSG) | 339.73 | ||
7 5/8 (CSG,LCSG) | 193.68 | 16 (CSG,LCSG) | 406.40 | ||
The pitch of API gauges:3.175(8); The form angle of API thread gauge:60° |
API gauge (Buttress Casing Thread) | |||||
Gauge Code | Outer dia. Ø | Taper | Gauge Code | Outer dia. Ø | Taper |
4 1/2 BCSG | 114.30 | 1:16 | 8 5/8 BCSG | 219.08 | 1:16 |
5 BCSG | 127.00 | 9 5/8 BCSG | 244.48 | ||
5 1/2 BCSG | 139.70 | 10 3/4 BCSG | 273.05 | ||
6 5/8 BCSG | 168.28 | 11 3/4 BCSG | 298.45 | ||
7 BCSG | 177.80 | 13 3/8 BCSG | 339.73 | ||
7 5/8 BCSG | 193.68 | 16 BCSG | 406.40 | 1:12 | |
The pitch of API gauges:5.08(5); The form angle of API thread gauge:3°, 10°. |
API gauge (Non-upset Tubing Thread) | |||||||
Gauge Code | Outer dia. Ø | Pitch | Taper | Gauge Code | Outer dia. Ø | Pitch | Taper |
1.050 TBG | 26.67 | 2.54(10) | 1:16 | 2 7/8 TBG | 73.03 | 2.54(10) | 1:16 |
1.315 TBG | 33.40 | 2.54(10) | 3 1/2 TBG | 88.90 | 2.54(10) | ||
1.660 TBG | 42.16 | 2.54(10) | 4 TBG | 101.60 | 3.175(8) | ||
1.900 TBG | 48.26 | 2.54(10) | 4 1/2 TBG | 114.30 | 3.175(8) | ||
2 3/8 TBG | 60.33 | 2.54(10) | |||||
The form angle of API gauges:60° |
API gauge (External-upset Tubing Thread) | |||||||
Gauge Code | Outer dia. Ø | Pitch | Taper | Gauge Code | Outer dia. Ø | Pitch | Taper |
1.050 UPTBG | 26.67 | 2.54(10) | 1:16 | 2 7/8 UPTBG | 73.03 | 3.175(8) | 1:16 |
1.315 UPTBG | 33.40 | 2.54(10) | 3 1/2 UPTBG | 88.90 | 3.175(8) | ||
1.660 UPTBG | 42.16 | 2.54(10) | 4 UPTBG | 101.60 | 3.175(8) | ||
1.900 UPTBG | 48.26 | 2.54(10) | 4 1/2 UPTBG | 114.30 | 3.175(8) | ||
2 3/8 UPTBG | 60.33 | 3.175(8) | |||||
The form angle of API gauges:60° |
API gauge (Line Pipe Thread) | |||||||
Gauge Code | Outer dia. Ø | Pitch | Taper | Gauge Code | Outer dia. Ø | Pitch | Taper |
1/8 LP | 3.18 | 0.941(27) | 1:16 | 2 1/2 LP | 63.50 | 3.175(8) | 1:16 |
1/4 LP | 6.35 | 1.411(18) | 3 LP | 76.20 | 3.175(8) | ||
3/8 LP | 9.53 | 1.411(18) | 3 1/2 LP | 88.90 | 3.175(8) | ||
1/2 LP | 12.70 | 1.814(14) | 4 LP | 101.60 | 3.175(8) | ||
3/4 LP | 19.05 | 1.814(14) | 5 LP | 127.00 | 3.175(8) | ||
1 LP | 25.40 | 2.209(11 1/2) | 6 LP | 152.40 | 3.175(8) | ||
1 1/4 LP | 31.75 | 2.209(11 1/2) | 8 LP | 203.20 | 3.175(8) | ||
1 1/2 LP | 38.10 | 2.209(11 1/2) | 10 LP | 254.00 | 3.175(8) | ||
2 | 50.80 | 2.209(11 1/2) | |||||
The form angle of API gauges:60° |
Sowant Precision Gage Co.,Ltd is a professional API thread gauges supplier, we can provide 3 1/2 UPTBG API Thread Ring Gage per API Spec 5B thread gages, we aslo can offer you thread ring gages and thread plug gages (CSG, LCSG, BTC/BCSG, TBG/NUE, UP/EUE, LP), API Spec 7-2 thread gauges (NC, REG, FH, IF),mitutoyo,INSIZE,hardness test blcoks,cameron ball gages.
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