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

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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.

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About BBN Steel

Henan BEBON Iron & Steel Co., Ltd was founded in 2000, which initially focus on providing high-quality steel products to serve for China's rapid infrastructure development. Based on the advantages of steel resources in domestic market and good reputation, combining with the huge international market demand for steel products, BEBON started the international business in 2010 and successfully being approved and certified by ISO9001:2008, the Registration number is 626014Q11531R0S. With the quality steel products and professional service, BEBON was award the international acclaim from infrastructure, shipbuilding, petroleum industry etc., and gradually grow into a bright star in the steel export industry .

With the exploration and innovation of Bebon people, BEBON gradually formed four major advantageous products: steel plate, steel pipe, stainless steel, special steel, and established our own Machining processing center in order to meet customer's diverse requirements.

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