A106 Grade B Seamless Steel Pipe

Out Diameter: 21.3mm-1220mm
Wall Thickness: 3mm-60mm
Length: 3m-12m
Producing Standard: American ASME B36.10M,
ASTM, API 5L, API 5CT
Japanese JIS
German DIN
Chinese GB
BS standard
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Product Details


Product Details

A106 Grade B Seamless Steel Pipe is the sound of the name, we can imagine this is a special light pole, actually everybody is guessed half, seamless steel tube in the color white with bright, very bright, has the characteristics of high precision, high finish, and a series of supported by its excellent performance, you might say to the small make up full of doubt, what is this seamless steel tube.



Brief Introduction

A106 Grade B Seamless Steel Pipe specifications


1. Out Diameter:

21.3mm-1220mm

2. Wall Thickness:

3mm-60mm

3. Length:

3m-12m

4. Producing Standard:

  • American ASME B36.10M, ASTM, API 5L, API 5CT

  • Japanese JIS

  • German DIN

  • Chinese GB

  • BS standard

5. Main Material:

(Carbon Steel & Low Alloy steel)

  • ASTM A53, A106, A210, A252, A333 etc;

  • X42, X46, X52, X60, X65, X70 etc;

  • JIS STPG42, G3454, G3456 etc;

  • German St37, St42, St45, St52, DIN1626, DIN17175

  • Chinese 20#, Q345, 16Mn etc

6. Special specifications:

Available according to customer’s requirements and quantity.

7. End Shape:

Beveled end , plain end, varnished, or adding plastic caps to protect the two ends as per customer’s requirements

8. Surface treatment:

Painted, Oiled, galvanized, phosphate etc

9. Usage:

  • Widely used in the mechanical treatment field, petrochemical industry, transport and construction field

  • Ordinary structural purposes and mechanic structural purposes, for example in construction field, fulcrum bearing etc;

  • The transportation of fluids in the projects and big equipments, for example transport of water, oil, gas etc

  • Can be used in low and medium pressure boiler for the transportation of fluids, for example steam tube, big smoke tube, small smoke tube, generating tube etc

10. Certificates:

ISO9001-2000, ISO14000, ISO18000, API 5L certificate

11. Third party inspection:

Welcome you to send a third party inspecting company (BV, SGS etc) to check the quality of our final products.

12. Pictures:

our producing flow chart, our factory, production line, inspecting equipments, our products are listed below for your reference.

13. Chemical composition:

Please See below.


rolling process

Research on basic theory of A106 Grade B Seamless Steel Pipe


The cross - rolling process has been widely used in the production of A106 Grade B Seamless Steel Pipe.Cross - rolling mill has two - roll, three - roll system.Although the structure of the mill is different, the shape of the roll is different from the position of the roll in space, the geometric relationship between the adjustment parameters and the rolling process are basically the same in the deformation zone composed of the roll and the tube.


As early as 1980s in China, a series of studies have been carried out on the theory of cross rolling.Study on the formation mechanism of cavity;The macroscopic deformation of metal, the force exerted by the guide plate on the rolled piece and the uneven distribution of radial deformation and stress along the rolled piece were studied.The deformation zone and deformation characteristics of three-roll combined puncher were studied by using three-dimensional steel-plastic finite element method.Three dimensional steel-plastic finite element method (fem) is used to simulate the perforating process of oblique rolling.The extension process of conical roll is studied by using the concept of redundant deformation and the method of calculating redundant deformation.




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