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5-1/2 K55 BC Coupling
5-1/2 K55 BC Coupling
Specifications
Place of Origin :
china
Brand Name :
oilfield
Certification :
API 5CT
Model Number :
1“9～20”
Price :
1~300 dollar
Payment Terms :
D/P & LC &T/T
Supply Ability :
2800000 pcs
MOQ :
1pcs
Application :
Oil Pipe
Technique :
Hot Rolled
Special Pipe :
API Pipe
Alloy Or Not :
Is Alloy
Secondary Or Not :
Non-secondary
Surface Treatment :
Copper or phosphate
Packaging Details :
Pallet packing
Delivery Time :
20 days
Description

The Product Standard: API SPEC 5CT9thPSL1; PSL2; PSL3;

Size:1"9~20"

Grade:H40,J55,K55,N80,L80,R95(C95),T95,P110,Q125

API round thread casing coupling size, tolerance and quality(mm)
size OD length l ength

Bore diameter

Bearing

surface width

Quality

 Quality

coupling

mateial
short thread long thread short thread long thread
4-1/2 127.00 158.75 177.80 116.68 3.97 3.62 4.15 127.0*13.0
5 141.30 165.10 196.85 129.38 4.76 4.66 5.75 142*14.5
5-1/2 153.67 171.45 203.20 142.08 3.18 5.23 6.42 154*14
6-5/8 187.71 184.15 222.25 170.66 6.35 9.12 11.34 188*17
7 200.03 184.15 228.60 180.18 4.76 10.88 13.92 201*18
7-5/8 215.90 190.50 234.95 197.64 5.56 12.30 15.63 216*18
8-5/8 244.48 196.85 254.00 223.04 6.35 16.23 21.67 245*21
9-5/8 269.88 196.85 266.70 248.44 6.35 18.03 25.45 270*21
10-3/4 298.45 203.20 --- 277.02 6.35 20.78 --- 299*21
11-3/4 323.85 203.20 --- 302.42 6.35 22.64 --- 324*21
13-3/8 365.12 203.20 --- 343.69 6.35 25.66 --- 365*21
16 431.80 228.60 --- 411.96 5.56 34.91 --- 432*23
18-5/8 508.0 228.60 --- 478.63 5.56 54.01 --- 508*26
20 533.40 228.60 292.10 513.56 5.56 43.42 57.04 534.0*23

API Buttress Thread casing coupling size, tolerance and quality(mm)
size

OD

The standard

coupling

OD

Special

clearance

couplings

min

length

Bore

diameter

Bearing

surface width

The standard

coupling

Quality(kg)

Special

clearance

couplings

Quality(kg)

coupling

mateial
W WC NL Q b
4-1/2 127.00 158.75 177.80 116.68 3.97 4.55 3.48 127.0*13.0
5 141.30 165.10 196.85 129.38 4.76 5.85 4.00 142*14.5
5-1/2 153.67 171.45 203.20 142.08 3.18 6.36 4.47 154*14
6-5/8 187.71 184.15 222.25 170.66 6.35 11.01 5.65 188*17
7 200.03 184.15 228.60 180.18 4.76 13.98 6.28 201*18
7-5/8 215.90 190.50 234.95 197.64 5.56 15.82 9.29 216*18
8-5/8 244.48 196.85 254.00 223.04 6.35 20.86 10.80 245*21
9-5/8 269.88 196.85 266.70 248.44 6.35 23.16 12.02 270*21
10-3/4 298.45 203.20 --- 277.02 6.35 25.74 13.39 299*21
11-3/4 323.85 203.20 --- 302.42 6.35 28.03 --- 324*21
13-3/8 365.12 203.20 --- 343.69 6.35 31.77 --- 365*21
16 431.80 228.60 --- 411.96 5.56 40.28 --- 432*23
18-5/8 508.0 228.60 --- 478.63 5.56 62.68 --- 508*26
20 533.40 228.60 292.10 513.56 5.56 50.10 --- 534.0*23

API Non-upset Thread tubing coupling size,tolerance and quality(mm)

Size OD

Min

Length

Bore

diameter

Bearing

surface

width

The maximum

bearing surface

diameter special chamfer

Quality

(kg)
1"9 55.88 95.25 49.86 1.59 52.07 0.56
2-3/8 73.02 107.95 61.93 4.76 66.68 1.28
2-7/8 88.90 130.18 74.63 4.76 80.98 2.34
3-1/2 107.95 142.88 90.50 4.76 98.42 3.71
4 120.65 146.05 103.20 4.76 111.42 4.35
4-1/2 132.08 155.58 115.90 4.76 123.19 4.89

API External Upset Thread tubing coupling size ,tolerance and quality(mm)

size OD

The standard

coupling

OD

Special

clearance

couplings

 min

length

Bore

diameter

The maximum bearing surfaceWith special

chamfer standard coupling

The maximum

bearing surface

diameter (Special clearance)

 Standard couplingQuanlity Special clearance Quanlity
1"9 63.50 --- 98.42 3.18 58.34 --- 0.84 ---
2-3/8 77.80 73.91 123.82 3.97 71.83 69.90 1.55 1.07
2-7/8 93.17 87.88 133.35 5.56 85.88 83.24 2.40 1.55
3-1/2 114.30 106.17 146.05 6.35 104.78 100.71 4.10 2.38
4 127.00 --- 152.40 6.35 117.48 --- 4.82 ---
4-1/2 141.30 --- 158.75 6.35 130.96 --- 6.05 ---

Product tags

nm 97 couplings

,

fpc connector 0.5mm pitch

,

1.27mm pitch idc connector
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5-1/2" K55 BC Coupling

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Product Detail
Place of Origin :
china
Brand Name :
oilfield
Certification :
API 5CT
Model Number :
1“9～20”
Price :
1~300 dollar
Payment Terms :
D/P & LC &T/T
Contact Supplier
5-1/2 K55 BC Coupling

Changzhou Oilfield Petroleum Equipment Co., Ltd.

Active Member
9 Years
jiangsu, changzhou
Since 2014
Business Type :
Manufacturer, Importer, Exporter, Trading Company
Main Products :
OCTG-casing, OCTG-Tubing, OCTG-coupling for casing&tubing
Total Annual :
$1,000,000-$5,000,000
Employee Number :
50~100
Certification Level :
Active Member
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