API 5L Coated Spiral Welded Pipe

Product name High Pressure Boiler Steel Tube
Material carbon steel
Shape Round, Square, Rectangular, Oval, Hexagonal
Grade cold rolled coil :SPCC,SPCC-SD,DC01,DC03,Q195,50#,65Mn
hot rolled coil :A36,SS40,Q235,Q345A572GR.50, A572GR.60, SS490, SM490N/NL,
S460N/NL, S355M/ML, S420M/ML, S460M/ML,
S500Q/QL/QL1,S550Q/QL/QL1,S620Q/QL/QL1, S690Q/QL/QL1, S355G8+N, 350,
350L0, 350L15,
Q345A, Q345B, Q345C, Q345D, Q345E, Q390A, Q390B, Q390C, Q390D, Q390E,
Q420A, Q420B, Q420C, Q420D, Q420E, Q460C, Q460D, Q460E, Q500C, Q500D,
Q500E, Q550C, Q550D, Q550E, Q20C, Q620D, Q620E, Q690C, Q690D, Q690E,
890D, Q890E,Q960D, Q960E, XGCFQ500D, XGCFQ500E.
Thickness: 0.2-4mm or 4~60mm or 60~115mm
Type Hot rolled seamless tube, cold drawn tube,
precision steel pipe, hot expansion tube,
cold spinning tube and extrusion pipe.
Surface Treatment Drawing,Polishing, Anodizing,
Coating,Galvanized,Embossing
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Product Details

         

Product Details

  

NDT includes UT, X-Ray Test.

First-Day Production Test

First-day production test shall be carried out prior to formal production, 10 pipes of different size and wall thickness should be chosen for manufacturing procedure qualification, used for physical and chemical tests and NDT test. And the test items are as the following list (refer to ITP for frequency details.):

   

 
Product NameHigh Pressure Boiler Steel Tube
Materialcarbon steel 
ShapeRound, Square, Rectangular, Oval, Hexagonal
Gradecold rolled coil :SPCC,SPCC-SD,DC01,DC03,Q195,50#,65Mn
hot rolled coil :A36,SS40,Q235,Q345A572GR.50, A572GR.60, SS490, SM490N/NL, 
S460N/NL, S355M/ML, S420M/ML, S460M/ML, 
S500Q/QL/QL1,S550Q/QL/QL1,S620Q/QL/QL1, S690Q/QL/QL1, S355G8+N, 350, 
350L0, 350L15, 
Q345A, Q345B, Q345C, Q345D, Q345E, Q390A, Q390B, Q390C, Q390D, Q390E,
 Q420A, Q420B, Q420C, Q420D, Q420E, Q460C, Q460D, Q460E, Q500C, Q500D, 
Q500E, Q550C, Q550D, Q550E, Q20C, Q620D, Q620E, Q690C, Q690D, Q690E, 
890D, Q890E,Q960D, Q960E, XGCFQ500D, XGCFQ500E.
Thickness:0.2-4mm or 4~60mm or 60~115mm
Width500~1500mm  or 600~3000mm
TypeHot rolled seamless tube, cold drawn tube, precision steel pipe, hot expansion tube, cold spinning tube and extrusion pipe.
Surface TreatmentDrawing,Polishing, Anodizing,Coating,Galvanized,Embossing
StandardASME, ASTM, EN ,BS,GB,DIN, JIS etc
performanceHigh temperature, high pressure, low temperature, corrosion resistance
Production ProcessHot rolling/Cold rolling
Application1.Seamless steel tube for structural use,             2.Seamless steel tubes for fluid transportation, 
3.Seamless steel tubes for low and medium pressure boilers,
4.Seamless steel tubes for high pressure boilers, 
5.High pressure seamless steel tubes for chemical fertilizer equipment,
6.Seamless steel tubes for petroleum cracking
7.Steel pipes for geological drilling                       8.Seamless steel pipe for corundum core drilling
9.Oil drilling pipe                                                       10.Carbon steel seamless steel tubes for ships
11.Seamless steel tube for automobile half axle sleeve
12.High pressure oil pipes for diesel engines
13.Seamless steel tubes with precision inner diameter for hydraulic and pneumatic cylinders
14.Seamless stainless steel tubes for fluid transportation
15.Anticorrosive steel pipe for drinking water         16.Ventilation duct (spiral duct)
17.petroleum pipe      18.Boiler tube
Packaging1. cases packed in wooden cases
2. paper packaging
3. plastic packing
4. foam packaging
Packaging according to customer requirements or products
Delivery7-25days orAccording to the product
Payment L/C,D/A,D/P,T/T,Western Union,MoneyGram,According to customer requirements payments for offline orders.
PortShanghai,Ningbo,Shenzhen,Tianjing,Xianggang,Xiamen,Fuzhou, Etc..
 

1.Product analysis: analysis for two times per heat (sampling location: plate or pipe), and the specimen is taken from the base metal located at about 1/4 thread pitch.

2.Mechanical properties test: for tensile test, Charpy V-notch impact test, DWTT, guided bend test, the sample, and specimen are taken at the following places:


Sample Location

 Type of Test 

 Number, Orientation, and Location of Test Pieces per Sample


Pipe Body

   Tensile

  1T

Weld

Tensile

   1W

    Guided Bend

  2W   2WS

Macro Metallographic Test and Hardness Test.

Vickers Hardness Test Points are as below: (as fig. below)

3

Visual Inspection.

NDT includes UT, X-Ray Test.

First-Day Production Test

First-day production test shall be carried out prior to formal production, 10 pipes of different size and wall thickness should be chosen for manufacturing procedure qualification, used for physical and chemical tests and NDT test. And the test items are as the following list (refer to ITP for frequency details.):

No.

 Test


1    Product Analysis (sampling location: plate or pipe)   

2    Tensile Test   

3    Guided-Bend Test    

4    Macro Metallographic Test and Hardness Test   

5    X-Ray Test   

6    Hydrostatic Test    

7    Ultrasonic Test    

8    Visual Inspection    

Automatic Welding Procedure Qualification Test

In order to prove the weldability of automatic welding, the manufacturer should implement welding procedure qualification test for the strip, plate, and pipe. These welding seam specimens should be taken for mechanical properties tests which are listed as below:

No.

 Test 


1    Welding Seam Tensile Test    

2    Welding Seam Guided-Bend Test    

3    Macro Metallographic Test and Hardness Test  

4    Manually Ultrasonic Test    







The Process Flow

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The Application

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The Workshop

 

Cangzhou Steel Pipe Group (CSPG)Co.,Ltd.

 has more than eighteen years history company which located in Lecong Iron and Steel World, a well-known steel distribution center in China, with superior geographical position and convenient water and land transportation. 


We are a direct-selling manufacturer specializing in the research and development of spiral steel pipes, steel coiled pipes, anti-corrosion steel pipes inside and outside. Since its inception, the company has been guided by a brand-new thinking of steel pipe product market based on the business philosophy of honesty, pragmatism and knowledge-seeking.





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workshop1








Edit by Ms. Vicky of  CSPG

Contact us directly by:

Email: ella@cnspipe.com  ,vicky@cnspipe.net

Tel / Whatsapp: +86-180327140146

Skype: cnspipe002


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