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Hotsale!!!API 5CT BTC,LTC,STC Casing Coupling

US$ 5 - 50 MOQ: 100 Sets

Key Specifications

Place of Origin:

China

Type:

Other

Machine Type:

Drilling Tool

Sinotai Petroleum Equipment Co., Ltd.

6Yrs

Payment & Shipping

Payment Methods:

Port of Shipment:

Tianjin Shanghai Guangzhou

Delivery Detail:

Delivery time depends on order quantity.

Place of Origin China

Type Other

Machine Type Drilling Tool

Certification API

Material Carbon Steel

Processing Type Casting

Use Well Drilling

API 5CT Couplings for Casing and Tubing

1. Technical standard:API SPEC 5CT,API SPEC 5B,ISO 11960:2004

2. Product grade:H40,J55,N80-1,N80Q,L80,C90,T95,P110

3.Specification range:

OD127~365.12mm(4-1/2"to 20") for Casing Couplings

4.Thread types:

Casing Couplings: STC,LTC,BTC(casing coupling) Special clearance(SCC)

Note: Some Premium Thread Casing Couplings is also available.

5.Surface treatment: Whole phosphating, or inside phosphating and outside coating

6.Packing: By carton, wooden case, wooden pallet, or by requirements of customers

7.Quality Control:

1. 100% quality test before delivery.

2. Test report will show to users.

8.Technical Parameter:

API round thread coupling---Dimensions, tolerances and masses

Label 1	Size ^a	outside diameter	Min length mm		Diameter of recess	Width of bearing face	Mass kg
Label 1	OD mm	W^b,cmm	Short N_L	Long N_L	Q^dmm	b mm	Short	Long
1	2	3	4	5	6	7	8	9
4-1/2 5 5-1/2 6-5/8 7 7-5/8 8-5/8 9-5/8 10-3/4 11-3/4 13-3/8	114.30 127.00 139.70 168.28 177.80 193.70 219.08 244.48 273.05 298.45 339.72	127.00 141.30 153.67 187.71 200.03 215.90 244.48 269.88 298.45 323.85 365.12	158.75 165.10 171.45 184.15 184.15 190.50 196.85 196.85 203.20 203.20 203.20	177.80 196.85 203.20 222.25 228.60 234.95 254.00 266.70 - - -	116.68 129.38 142.08 170.66 180.18 197.64 223.04 248.44 277.02 302.42 343.69	3.97 4.76 3.18 6.35 4.76 5.56 6.35 6.35 6.35 6.35 5.56	3.62 4.66 5.23 9.12 8.39 12.30 16.23 18.03 20.78 22.64 25.66	4.15 5.75 6.42 11.34 10.83 15.63 21.67 25.45 - - -
^a The size designation for the coupling is the same size designation for the pipe on which the coupling is used. ^BGroups1,2 and 3--Tolerance on outside diameter W,±1% but not greater than±0.38mm ^CGroup4--Tolerance on outside diameter W,±1% but not greater than+3.18 –1.59mm. ^d Tolerance on diameter of recess Q ,for all groups is+0.79 0mm.

API buttress thread coupling---Dimensions, tolerances and masses

Label 1	Size a	outside diameter		Min length	Diameter of recess	Width of bearing face	Mass kg
	OD	Regular	Special clearance d	Min length	Diameter of recess	Width of bearing face	Mass kg
	D mm	Wb,c mm	WC mm	NL mm	Q mm	B mm	Regular	Special clearance
1	2	3	4	5	6	7	8	9
4-1/2 5 5-1/2 6-5/8 7 7-5/8 8-5/8 9-5/8 10-3/4 11-3/4 13-3/8	114.30 127.00 139.70 168.28 177.80 193.68 219.08 244.48 273.05 298.45 339.72	127.00 141.30 153.67 187.71 200.03 215.90 244.48 269.88 298.45 323.85 365.12	123.82 136.52 149.22 177.80 187.32 206.38 231.78 257.18 285.75 - -	225.42 231.78 234.95 244.48 254.00 263.52 269.88 269.88 269.88 269.88 269.88	117.86 130.56 143.26 171.83 181.36 197.23 222.63 248.03 276.61 302.01 343.28	3.18 3.97 3.97 6.35 5.56 7.94 9.52 9.52 9.52 9.52 9.52	4.55 5.85 6.36 11.01 10.54 15.82 20.86 23.16 25.74 28.03 31.77	3.48 4.00 4.47 5.65 6.28 9.29 10.80 12.02 13.39 - -
a The size designation for the coupling is the same size designation for the pipe on which the coupling is used. b Groups1,2 and 3 --Tolerance on outside diameter W,±1% but not greater than±0.38mm c Group4--Tolerance on outside diameter W,±1% but not greater than+3.18 –1.59mm.