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Quick Details

  • Standard: API, API 5CT, API 5DP, API 5L
  • Grade: API J55-API P110, API J55, API K55, API L80, API N80, API P110
  • Thickness: 2 - 20 inch
  • Section Shape: Round
  • Outer Diameter: 2 - 12 mm
  • Place of Origin: Jiangsu, China (Mainland)
  • Secondary Or Not: Non-secondary
  • Application: Drill Pipe
  • Technique: Cold Drawn
  • Certification: API
  • Surface Treatment: Casing Pipe
  • Special Pipe: API Pipe
  • Alloy Or Not: Non-alloy

Packaging & Delivery

Packaging Details Standard export packing for API 5CT seamless petroleum casing pipe used for oil drilling tools,casing/tubing coupling
Delivery Time 30days
Product Description

 API K55 petroleum casing pipe

Quick Details

Place of Origin:China (Mainland)

Brand Name:

Model Number:



Application:water supply




Pipe Wall Thickness:5-500mm

Pull Strength:420

Yield (≥ MPa):300

Material:Ductile Iron




Usage:Supply water project

quaility control:BV and ISO


accessories:rubber ring

Inside painting:cement or epoxy

outside painting:zinc and bitumen

Packaging & Delivery

Packaging Detail:

buddles or according to your requirement

Delivery Detail



1) Used for drinking water
2) up to ISO2531/EN545
3) BV product conformity certificate

Product Name
Cold drawn seamless tube
Wall tihckness
Sch10-Sch160, XXS

10#, 20#, 45#, 16Mn,  A106 Gr.B, A53 Gr.B,
ASTM A179, A315B, A335 P11, A335 P22, A335 P5
12CrMo, 15CrMo, 20CrMo, 42CrMo, 12Cr1Mov, 10CrMo910, STF A25

     ASTM A333; ASTM A334; ASTM A192; ASTM A210;
2. JIS: G3452;G3457; G3454; G3456; G3461; G3455; STPG38; STS42; STS49;     
3. DIN:ST33;ST38;ST35;ST42;ST45;ST52.4;ST52; TT St35N;10Ni14;15Mo3
ISO 9001-2008
In bundles or in bulk.

1. structral pipe
2. oil or gas transportation
3. fluid pipe
4. line pipe
5. drill pipe
6. boiler pipe

1.Reasonable price with excellent quality
2.Abundant stock and prompt delivery
3.Rich supply and export experience, sincere service

Production Process:

1) ductile iron pipe k9, according to iso2531 or en545, push in type joint class k9,

2) outside zinc coating and then bitumen coating according to ISO8179

3) inside cement mortar lining according to ISO4179

4) 100% SBR rubber gaskets accoding to ISO4633

5) can be loaded both by bulk vessel and full containers, this is according to customers' request

6) we can do third party inspection according to customer's request

7) Our documents can be legalized by the embassy.

8) we have got ISO9001 and BV product confirmity certificate for EN545 and EN598 and EN1024 and SGS product confirmity certificate

9) Our products have been sold to many international market, such a  Middle East and South East Asia and Africa.

10) Our brand is yaou,but we can also make the brand according to customer's request.

Packaging & Shipping


Standard seaworthy export packing, other types of packing can be customized as every requirement.

Shipping packaging
Bundled with firm steel straps, easy for loading and unloading.   
Company Information

Rugao Yaou Import and Export Trade Co.,Ltd is an international integrative

Corporation in oil/gas drilling industry ,combined with sales,service and technical consult.its was founded in 2002 with expression of passion,professional and advance.As  a fresh power,we are impacting and pushing China oil well equipments to expand and service the world market

Our supply scope has covered most products of oil/gas drilling and service:oil drilling rig/worker rig,spare parts on rig ,drill handling tools,downhole tools.pipe line,wellhead control equipment,solid control equipment,Wellhead cement tools,fishing tools,oil production tools etc,as well as accessories.We regulatethat every product which deliver to oilfield must be compliance with latest API and ISO standard ,from producing to inspection to transportation,Rugao Yaou has many techinicians to supervise and control the quality ,packing and shipment ,and feedback all information to customers at he first time.sometimes we also can provide GOST standard according to client special request

Meanwhile,Rugao Yaou is pleasure to support technology advice and proposal to oilfields and factories .An effective team gathered from various branch of oil industry is touching and serving to world wide oilfield .In a very long period,Rugao Yaou has been striving the interchange ablity between China-made and other countries .We believe communication is the recourse of our inspiration.

Based on China fast-development petroleum machine industry system,Rugao Yaou Import and Export Trade Co.,Ltd has already established a stable and complete recourse net.We have gained the close relationship and priority from many powerful manufacturers .This obvious advantage makes us always can supply competitive price,technology and delivery.

Rugao Yaou is a bridge .Connect China With  world

Our Services

 The after-sale service work is an important part of our marketing and sales work

The quality of service provided will not only influence the company credit,

But also closely relate to the safely running of the equipments.

In order to maintain the good reputation,yaou company will strictly observe relevant national regulations about produce-quality law and provide high quality products with the principle of hospitable reception,enthusiastic service,quick response and prompt resolution.we will conscientiously implement the after-sale service work in full-scale,and make commitment to our dients as follows

1)all products are customized according to customer’s requirements,and loyalty to customer.

2)Once found size and quality problems,pls contact us in time,we will solve the problem for customers in the    first time,strictly in accordance with regulations of the company

3)Once found you get loss because of our fault,all charges shall be borne by yaou company.

4) The loss caused by improper use by the customer,shall be borne by the yours,but company should offer      technical assistance to help customers to solve practical problems

5)We are professional oilfield equipment supplier in China more than 10 years.

6)Backup skillful and experienced sales team would help you get an efficient solution.

7)We have our own logistics company and this could guarantee the service after sales

Company view of Rugao Yaou                                             


Shipping time
5-7  work days after delivery
Shipping way
Shipping port




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Trade Assurance
China (Mainland) | Trading Company
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Supplier Assessments:
1 Transactions 3,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $51,000
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