Seamless Casing Steel Pipe 2

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Product Description:

1. Seamless Casing Steel Pipe Specifications

 

1) Grade:H-40,J-55,K-55,N-80,C-75,L-80,C-90,C-95,P-110,Q-125

 

2) Size: 4 1/2", 5", 5 1/2", 6 5/8", 7", 7 5/8", 9 5/8", 10 3/4", 13 3/8", 16", 18 5/8", 20"

 

3) Wall thickness: 5.11 - 16.13 mm

 

4) Clasp Type : STC, LTC, BTC

 

5) Length : R1,R2,R3

 

6) Products comply with API SPEC 5CT standards, and use for API 5CT emblem

 

2. Round thread casing coupling size quality and tolerance:

 

Code

Specification

Diameter W          /mm

      Min Length

 Boring diameter /mm

Width of  bearing

surferingb/mm

Weight

Diameter D /mm

Short coupling Nl

Coupling length Nl

short couping

Coupling

length

4-1/2

114.30

127.00

158.75

177.80

116.68

3.97

3.62

4.15

5

127.00

141.30

165.10

196.85

129.38

4.76

4.66

5.75

5-1/2

139.70

153.67

171.45

203.20

142.08

3.18

5.23

6.42

6-5/8

168.26

187.71

184.15

222.25

170.66

6.35

9.12

11.34

7

177.80

194.46

 184.15

228.60

180.18

4.76

8.39

10.83

7-5/8

193.70

215.90

 190.50

234.95

197.64

5.56

12.30

15.63

8-5/8

219.08

244.48

 196.85

254.00

223.04

6.35

16.23

21.67

9-5/8

244.48

269.88

196.85

266.70

248.44

6.35

18.03

25.45

10-3/4

273.05

298.45

  203.20

---

277.02

6.35

20.78

---

11-3/4

298.45

323.85

  203.20

---

302.42

6.35

22.64

---

13-3/8

339.72

365.12

  203.20

---

343.69

5.56

25.66

---

 

Chemical composition:

 

Standard codes

Models of steel tubes

Chemical compositions

C

Si

Mn

P

S

Cr

Ni

Cu

Mo

V

Als

API SPEC 5CT

J55K55
(37Mn5)

0.340.39

0.200.35

1.251.50

0.020

0.015

0.15

0.20

0.20

0.020

N80
(36 Mn2V)

0.340.38

0.200.35

1.451.70

0.020

0.015

0.15

0.110.16

0.020

L80(13Cr)

0.150.22

1.00

0.251.00

0.020

0.010

12.014.0

0.20

0.20

0.020

P110
(30CrMo)

0.260.35

0.170.37

0.400.70

0.020

0.010

0.801.10

0.20

0.20

0.150.25

0.08

0.0

 

3. FAQ of Seamless Casing Steel Pipe:  

How is the quality of your products?
    Our products are manufactured strictly according to national and internaional standard, and we take a test on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

How about price?
    Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

Why should you chose us?
    Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

 

Any question, pls feel free to contact us !

 

4Seamless Casing Steel Pipe Images

 

 

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Q:What material is RHS in the steel tube?
SHS stands for thin-walled square steel tubes in the structure and represents the self ignition ceramic composite steel tube in the material
Q:How can seamless steel tubes be produced?
Seamless steel tubes are made of ingots or billets made by piercing and are then made by hot rolling, cold rolling or cold casting. Seamless steel tube plays an important role in the steel tube industry of our country. According to incomplete statistics, China's existing seamless tube production enterprises about more than 240, seamless steel pipe units about more than 250 units, with an annual output capacity of about about 4500000 tons. From the caliber, 35% of phi 76, less than phi 159-650, accounting for 25%. From the species point of view, the general use of 1 million 900 thousand tons of pipe, accounting for 54%; oil pipe 760 thousand tons, accounting for 5.7%; hydraulic props, precision pipe 150 thousand tons, accounting for 4.3%; stainless steel pipe, bearing tube, automobile tube 50 thousand tons, accounting for 1.4%.
Q:What does the diameter of a steel pipe project mean?
Generally, the diameter of steel pipe has three common diameters: outer diameter, inner diameter and nominal diameter.The first two are well understood.Nominal diameter refers to the national standard to specify the general diameter of a certain national standard pipe. It is only a model representation. It is neither outer diameter nor inner diameter.
Q:There are multiple welded galvanized steel pipe outer diameter 108mm wall thickness 4mm length of 6 meters
Galvanized steel pipe is divided into cold galvanized steel pipe, hot galvanized steel pipe, cold galvanized steel pipe has been banned, and the latter is also advocated by the state for the moment, can be used. In 60s and 70s, developed countries began to develop new types of pipes, and galvanized pipes were banned. China's Ministry of construction and other four ministries also issued a civilization, indeed from two, 000 years since the galvanized pipe as a water supply pipe, the New District cold water pipe has rarely used galvanized pipe, and some of the hot water pipe is galvanized pipe. Hot dip galvanized steel pipe is widely used in fire, power and highway.
Q:What does "spiral welded steel pipe" DN325*10 mean?
Spiral welded steel pipe with nominal diameter of 325mm and wall thickness of 10mm
Q:What is DN50 for welded pipe?
Commonly used in the market DN50 seamless steel pipe, the outer diameter has two specifications: A, 57mm, B, 60mm, if no special instructions, commonly used is 57mm. The outer diameter of the welded pipe is only 60mm this specification.
Q:Where is the difference between seamless steel pipe and welded pipe?
Seamless steel tube is formed during rolling. Welded steel pipes need to be welded after coiling, and spiral welding and direct welding are generally used. Seamless performance is better, of course, the price is higher.
Q:The plastic pipe and steel pipe difference
In the plastic coated galvanized steel pipe inside the plastic coated manufacturing method. The thickness of the internal plastic is thin, which is equal to a plastic skin.
Q:Steel pipe is particularly long, how to clean the inner wall of the pipe so that it can be thoroughly cleaned
The urban water supply pipeline cleaning is a very necessary work, it can not only improve the transmission efficiency of pipeline to reduce energy consumption, but also to clear the pipeline dirt, remove two pollution, improve water quality, protect the people's physical and mental health.
Q:Who knows what is the difference between double submerged arc welded pipe and longitudinal submerged arc welding?
Double submerged arc welding should be for spot welding and single side welding, they are straight line welds, but double submerged arc welding seam is more beautiful and fine.

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