Structural Steel Pipe

Structural Steel Pipe

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Description: Structural steel tubes are hot rolled seamless steel tubes and welded steel tubes. Seamless steel tubes for structure are divided into hot rolled and cold drawn types according to GB/T8162-2008.

Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

Lead Time:

Quantity(Metric Tons) 1 - 10 10 - 50 >50
Est. Time(days) 5 10 Negotiable

E-mail: [email protected]

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Product Introduction

Structural steel tubes are hot rolled seamless steel tubes and welded steel tubes. Seamless steel tubes for structure are divided into hot rolled and cold drawn types according to GB/T8162-2008. The outer diameter of hot-rolled steel pipe is 32-630mm, and the wall thickness is 2.5-75mm. The outer diameter of cold-drawn steel tube is 5-200mm, and the wall thickness is 2.5-12mm. Welded steel pipe is made of steel plate or strip after crimping forming. Straight welded steel tubes shall have an outside diameter of 5-508mm and a wall thickness of 0.5-12.7mm, and shall comply with the provisions of GB/T3793-2008. The welded steel pipe used for low-pressure fluid transportation is also called general welded pipe, commonly known as black pipe. The specifications are expressed in millimeters of nominal caliber, which shall comply with the provisions of GB/T3091-2008.

Main grades of the Structural Steel Pipe

Standard

Grade

ASTM A53

GR.A

GR.B

 

 

 

ASTM A106

GR.A

GR.B

GR.C

 

 

GB/T 8162

10#

20#

35#

45#

Q345A

20Cr

40Cr

20Mn2

45Mn2

40CrB

42CrMo

Q345D

Q345E

20CrMo

35CrMo

Q345B

27SiMn

A345C

15CrMo

 

ASTM A519

1020

1035

1045

4130

4140

DIN1629

St37.0

St44.0

St55

St52.0

 

DIN17175

St35.8

17Mn4

13CrMo44

 

 

EN10297

E355

C45

34CrMo4

 

 

JIS G3441

SCM 420TK

SCM440TK

 

 

 

JIS G3445

STKM13A

STKM19A

 

 

 

Seamless steel tubes are mainly used for general structure and mechanical processing.

Our Factory & Workshop[email protected]

2500mm Steel Plates Production Line

2500mm Steel Plates Production Line

3500mm Steel Plates Production Line

3500mm Steel Plates Production Line

4500mm Steel Plates Production Line

4500mm Steel Plates Production Line

Spiral Welded Pipe Production Line

Spiral Welded Pipe Production Line

1700mm Hot Rolled Coil Production Line

1700mm Hot Rolled Coil Production Line

Deep Processing Center

Deep Processing Center

R & D and Testing Center[email protected]

Technical department

Technical department

Quality Control Department

Quality Control Department

100% UT test

100% UT test

50000J DWT TEST

50000J DWT TEST

Impact test

Impact test

Mechanins Lab

Mechanins Lab

Metallurgical Microscope

Metallurgical Microscope

OES Chemical analysis

OES Chemical analysis

X-ray test

X-ray test

Vickers hardness tester

Vickers hardness tester

About Us

We are a leading private steel company manufacturer. Our company has passed ISO9001 certifica-tion SGS certification and CE certification. Our company covers an area of 100,000 square meters,a con-struction area of 40,000 square meters, We speclize in steel plates for many years. steel plates have versatile applications in different industries. Its durable property makes it ideal for various manufacturing parts. Apart from carbon steel plate, there are vessel steel plate, shipbuilding or construction steel plate, structural steel plate, wear resistant steel plates, stainless steel plate, seamless steel pipes, Structure Steel Pipe, Boiler Steel Pipe, Tubing and Casing, Line Pipe, Coating pipe and etc.

Supplying the best quality goods to the world is our mission, to fulfill this mission, we formed a professional inspection team and an elite sales team. Till now, We have served for more than 100 countries. and established our own Machining processing center in order to meet customer's diverse requirements.

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  • 20 +Years
    Production experience
  • 3500 +
    Sucessfull Projects
  • 6000 +
    Satisfied Clients

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We have established a complete set of production and supplier management system processes to ensure the improvement of product quality and better service to users.

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