



API 5CT Steel Pipe
- Commodity name: API 5CT Steel Pipe


Keyword:
API 5CT Steel Pipe
- PRODUCT DESCRIPTION
-
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 ParametersProduct 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
It has modern factories and advanced production equipment. The process equipment is automated, intelligent, digital and information-based. It has its own laboratories, testing rooms and independent R&D departments.
Qualifications and Honors
Factory appearance
It is a specialized manufacturer and seller of carbon steel, steel bars, stainless steel, galvanized, hot-rolled seamless steel pipes, precision seamless steel pipes, cold drawn seamless steel pipes, alloy pipes, special-shaped pipes, etc.

Application areas
Its products are suitable for various fields such as automobiles, motorcycles, power, machinery, hydraulic accessories, bearings, pneumatic components, oil cylinders, coal mines, conveyors, boiler equipment, pipelines, engineering, etc. Our company has 5 perforation units, 30 precision rolling machines, and 6 cold drawing machines.

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