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How to prevent the formation of weld porosity

How to prevent the formation of weld porosity

Keywords :How to prevent the formation of weld porosity        Update : 2023-06-29        View(s) : 552

Fundamentally speaking, the measures to prevent the formation of pores in the weld are to limit the dissolution or generation of gas in the molten pool and to exclude the gas present in the molten pool. (1) Eliminate gas sources: ①Surface treatment Before welding the steel pipe weldment, the...

Selection requirements and acceptance steps of submerged arc steel pipe

Selection requirements and acceptance steps of submerged arc steel pipe

Keywords :Selection requirements and acceptance steps of submerged arc steel pipe        Update : 2023-06-28        View(s) : 565

Selection requirements for submerged arc steel pipe : 1. For pipelines with high requirements for peak regulation, due to the uneven gas consumption of users and frequent fluctuations in pipeline pressure, the alternating stress on the steel pipe is very large, and the existing defects in the p...

Anti-corrosion inside the steel pipe

Anti-corrosion inside the steel pipe

Keywords :Anti-corrosion inside the steel pipe        Update : 2023-06-27        View(s) : 543

Steel pipe inner wall anti-corrosion is an anti-corrosion device for the inner wall of the steel pipe welding zone, which is characterized by a sacrificial anode made of lead, magnesium, zinc, or their alloys connected to a terminal made of conductive metal material, the terminal The outer edge ...

Introduction to the use and maintenance of 304 stainless steel pipes

Introduction to the use and maintenance of 304 stainless steel pipes

Keywords :Introduction to the use and maintenance of 304 stainless steel pipes        Update : 2023-06-26        View(s) : 1

After installing the 304 stainless steel pipe , tear off the packaging film on the surface of the 304 stainless steel pipe, and wipe it clean with a special stainless steel cleaner to avoid the phenomenon of film aging or film retention, and to find out the condition of the stainless steel pipe p...

Precision-rolled seamless steel pipe

Precision-rolled seamless steel pipe

Keywords :Precision-rolled seamless steel pipe        Update : 2023-06-25        View(s) : 479

The main business is DIN-2391 standard hydraulic seamless steel pipe (GB3639-83), which has been tested and confirmed by the national authority, and all indicators of the steel pipe fully meet the technical standards of German, Japanese, and American seamless steel pipes. Its salient features ar...

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