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October 23, 2015

How to choose a steel pipe : identification of steel tube

1. Shoddy steel pipe prone to fold. Fold is formed on the surface of a variety of steel fold, this defect often throughout the product's longitudinal direction. The reason is due to shoddy factory folded pursuit of high efficiency, reduction is too large, resulting in the ears, it creates a rolling fold down when the product will crack when folded bending, the strength of steel big drop. 2. Ma often shoddy steel pipe outer surface phenomenon. Pock is due to the groov

October 23, 2015

Classification of steel pipe : different kinds of steel tube

According to the production method: Pipe according to production methods can be divided into two categories: seamless steel pipe and pipe joints, pipe joints referred to as straight pipe joints.

October 23, 2015

Steel Pipe Rolling

Rolled steel rolling process for the continuation

February 09, 2015

Q345b steel pipe polishing method

q345b steel pipe polishing method often used Polishing means a processing method by the action of mechanical, chemical or electrochemical, lower the q345b steel pipe surface roughness, to obtain a bright and smooth surface, and surface modification process making use of a flexible polishing tools and polishing abrasive particles or other media on the workpiece .

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