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API 5CT Steel Pipe


API is an acronym for the American Petroleum Institute and is considered the most authoritative and comprehensive principle in the oil and gas industry. API 5B and API 5CT are mainly used for oil casing. API 5CT oil casing can be divided into seamless steel pipe and welded steel pipe, welded steel pipe mainly refers to the straight seam steel pipe, large diameter oil casing is generally submerged arc welding straight seam steel pipe.

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Carbon Steel Pipe

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Carbon Steel Pipe

Product Introduction

API 5CT Steel Pipe Description

API is an acronym for the American Petroleum Institute and is considered the most authoritative and comprehensive principle in the oil and gas industry. API 5B and API 5CT are mainly used for oil casing. API 5CT oil casing can be divided into seamless steel pipe and welded steel pipe, welded steel pipe mainly refers to the straight seam steel pipe, large diameter oil casing is generally submerged arc welding straight seam steel pipe.


Product Parameters

Product Name

API 5CT Steel Pipe

Standard

EN/DIN/JIS/ASTM/BS/ASME/AISI etc.

Outer Diameter

Seamless: 1/4"-36"

Welding: 21.3mm-3620mm

Round Tube: 1/2"-10"

Square Tube/Rectangular Tube: 15x15mm-400x600mm

Wall Thickness

Seamless: 1.25mm-50mm

Welding: 1.65mm-65mm

Length

3-12 meters, Support customization

Surface Process

Bright, Polished, Black

Other Services

Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.

 

Chemical Composition

Grade

C≤

Si≤

Mn≤

P≤

S≤

Cr≤

Ni≤

With:

V≤

Als≤

API 5CT J55

0.34-0.39

0.20-0.35

1.25-1.50

0.020

0.015

0.15

0.20

0.20

/

0.020

API 5CT K55

0.34-0.39

0.20-0.35

1.25-1.50

0.020

0.015

0.15

0.20

0.20

/

0.020

API 5CT N80

0.34-0.38

0.20-0.35

1.45-1.70

0.020

0.015

0.15

/

/

0.11-0.16

0.020

API 5CT L80

0.15-0.22

1.00

0.25-1.00

0.020

0.010

12.0-14.0

0.20

0.20

/

0.020

API 5CT J P110

0.26-035

0.17-0.37

0.40-0.70

0.020

0.010

0.80-1.10

0.20

0.20

0.08

0.020

 

Mechanical Properties

Grade

Yield Strength(Mpa)

Tensile Strength(Mpa)

API 5CT J55

379-552

≥ 517

API 5CT K55

≥ 655

≥ 517

API 5CT N80

552-758

≥ 689

API 5CT L80

552-655

≥ 655

API 5CT P110

758-965

≥ 862

 

Scope of Application

API 5CT oil casing is mainly used to transport oil, natural gas, coal gas, water and other liquids, gases.

USA Japan Germany U.K.

 

France Italy Spain Switzerland China

AISI/SAE

JIS

W‐nr.

DIN

BS

EN

AFNOR

UNI

UNE

SS

GB

A570.36

STKM 12A

1.0038

RSt.37‐2

4360

‐

E 24‐2

‐

‐

1311

15

-

STKM 12C

-

-

40 C

-

Ne

-

-

-

-

1015

‐

1.0401

C15

080M15

‐

CC12

C15, C16

F.111

1350

15

1020

‐

1.0402

C22

050A20

2C

CC20

C20, C21

F.112

1450

20

1213

SUM22

1.0715

9SMn28

230M07

1A

S250

CF9SMn28

F.2111

1912

Y15

11SMn28

12L13

SUM22L

1.0718

9SMnPb28

‐

‐

S250Pb

CF9SMnPb28

11SMnPb28

1914

‐

‐

‐

1.0722

10SPb20

‐

‐

10PbF2

CF10Pb20

10SPb20

‐

‐

1215

‐

1.0736

9SMn36

240M07

1B

S300

CF9SMn36

12SMn35

‐

Y13

12L14

‐

1.0737

9SMnPb36

‐

‐

S300PB

CF9SMnPb36

12SMnP35

1926

‐

1015

S15C

1.1141

Ck15

080M15

32C

XC12

C16

C15K

1370

15

1025

S25C

1.1158

Ck25

‐

‐

‐

‐

‐

‐

25

A572-60

‐

1.890

StE380

4360 55

‐

‐

FeE390KG

‐

2145

‐

1035

‐

1.0501

C35

060A35

‐

CC35

C35

F.113

1550

35

1045

‐

1.0503

C45

080M46

‐

CC45

C45

F.114

1650

45

1140

‐

1.0726

35S20

212M36

8M

35MF4

‐

F210G

1957

‐

1039

‐

1.1157

40Mn4

150M36

15

35M5

‐

‐

‐

40Mn

1335

SMn438(H)

1.1167

36Mn5

‐

‐

40M5

‐

36Mn5

2120

35Mn2

1330

SCMn1

1.1170

28Mn6

150M28

14A

20M5

C28Mn

‐

‐

30Mn

1035

S35C

1.1183

Cf35

060A35

‐

XC38TS

C36

‐

1572

35Mn

1045

S45C

1.1191

Ck45

080M46

‐

XC42

C45

C45K

1672

Ck45

1050

S50C

1.1213

Cf53

060A52

‐

XC48TS

C53

‐

1674

50

1055

‐

1.0535

C55

070M55

9

‐

C55

‐

1655

55

1060

‐

1.0601

C60

080A62

43D

CC55

C60

‐

‐

60

1055

S55C

1.1203

Ck55

070M55

‐

XC55

C50

C55K

‐

55

1060

S58C

1.1221

Ck60

080A62

43D

XC60

C60

‐

1678

60Mn

1095

‐

1.1274

Ck101

060A96

‐

XC100

‐

F.5117

1870

‐

W1

SK3

1.1545

C105W1

BW1A

‐

Y105

C36KU

F.5118

1880

‐

W210

SUP4

1.1545

C105W1

BW2

‐

Y120

C120KU

F.515

2900

‐

 

Packing and delivery

The products have been exported to more than 100 countries and regions, including Turkey, Russia, Saudi Arabia, UAE, Iran, Kuwait, Poland, Philippines, Indonesia, Kazakhstan, Brazil, Mexico, Egypt, Nigeria, South Africa, Australia, etc.

 

Our Factory

Factory Equipment10
Factory Equipment9
Factory Equipment8
Factory Equipment7
Factory Equipment6
Factory Equipment5
Factory Equipment4
Factory Equipment3
Factory Equipment2
Factory Equipment

Certification

Unwaveringly prioritizing quality, the company has obtained ISO9001 international quality management system certification and has subsequently received eight other prestigious certifications, including the Enterprise Credit Rating Certificate, the Quality and Service Reputation Certificate, and the Integrity Demonstration Unit designation, establishing a comprehensive quality assurance system. 

TEST RESULT CERTIFICATION6
CERTIFICATE OF CONFORMITY6
CERTIFICATE OF CONFORMITY5
TEST RESULT CERTIFICATION5
CERTIFICATE OF CONFORMITY4
TEST RESULT CERTIFICATION4

Exhibition

We are committed to providing customers with high-standard, multi-specification steel products, including coils, plates, profiles, pipes, and wire rods. These products strictly comply with various international and domestic standards, including GB, ASTM, JIS, and DIN, meeting the diverse needs of customers in different regions.

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If you have any questions or purchases, please feel free to contact us.

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Frequently Asked Questions

— How long does your delivery time take?

 Generally, our delivery time is within 7-45 days, if there is a great demand or special circumstances, it may be delayed.

— How could you guarantee your products?

Each piece of products is manufactured by certified workshops, inspected by Linxu piece by piece according to national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.

— Do you accept the third party inspection?

 Yes absolutely we accept.

— Do you provide samples ? Is it free or extra ?

The sample could can provide for customer with free,but the courier freight will be covered by customer account.

— Will you delivery the goods on time?

Yes,we promise to provide best quality products and delivery on time. Honesty is our company's tenet.

— Are you trading company or manufacturer ?

We are professional manufacturer with rich experience, and our company also is a very professional a trade company for steel products. We can also provide a wide range of steel products.

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