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What is the difference between the surface processing of spiral steel pipe and stainless steel pipe

What is the difference between the surface processing of spiral steel pipe and stainless steel pipe

Keywords :What is the difference between the surface processing of spiral steel pipe and stainless steel pipe        Update : 2022-03-22        View(s) : 208

Let's first talk about the original surface of the stainless steel tube: NO.1 The surface that is subjected to heat treatment and pickling after hot rolling. Generally used for cold-rolled materials, industrial tanks, chemical industry equipment, etc., the thickness is thicker from 2.0MM-8.0MM. Dull...

How to solve the phenomenon of

How to solve the phenomenon of "goose head bend" of spiral steel pipe

Keywords :How to solve the phenomenon of "goose head bend" of spiral steel pipe        Update : 2022-03-18        View(s) : 1

If the large-diameter spiral steel pipe is processed to a certain length, bending must exist, which is a phenomenon and situation that is often encountered in steel pipes. Large-diameter spiral steel pipe is commonly known as "goose head bend" due to unevenness along the length or such bending...

What are the quality requirements for steel pipeline pickling

What are the quality requirements for steel pipeline pickling

Keywords :What are the quality requirements for steel pipeline pickling        Update : 2022-03-17        View(s) : 144

(1) After steel pipeline pickling, the rust and oil on the inner wall of the pipe are completely removed, and the cleanliness should meet the requirements of relevant standards. (2) Pickling parts shall not be over-pickled. If the pipe is soaked in the pickling solution for too long, the surfa...

Basic requirements and production temperature of straight seam steel pipe weld appearance

Basic requirements and production temperature of straight seam steel pipe weld appearance

Keywords :Basic requirements and production temperature of straight seam steel pipe weld appearance        Update : 2022-03-15        View(s) : 150

Basic requirements for the appearance of straight seam steel pipe welds 1. Surface of welded joints: A. No cracks, unfused, pores, slag inclusions, and splashes are allowed. B. The welding seam surface of pipelines with design temperature lower than -29 degrees, stainless steel and alloy st...

Inspection method for large diameter straight seam welded pipe

Inspection method for large diameter straight seam welded pipe

Keywords :Inspection method for large diameter straight seam welded pipe        Update : 2022-03-11        View(s) : 227

There are many methods for quality inspection of large-diameter longitudinally welded pipes , among which physical methods are also commonly used inspection methods. Physical inspection is a method of measuring or inspecting by using some physical phenomena. The inspection of the internal defects...

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