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2 galvanized square pipeProduct development

Article author:2 galvaniz issuing time:2021/11/27 09:00:43 Reading:117

In the processing process, the processing temperature is the key. We specialize in selling square tubes, rectangular tubes, seamless square tubes, strict testing, more affordable price and more preferential. We welcome consultation. Also,Q345D square tube we must pay attention to the uniform heating of blanks. Perforation has a great impact on the quality. The perforation temperature of blank varies according to different materials,180 galvanized square pipeThe thickness of the industry has weakened generally around ℃.

7In order to ensure the stability of the perforation performance and chemical properties of the billet of the square tube, the technical regulations shall be strictly implemented in the operation of the circular furnace, the operation of the heating furnace shall be frequently, the abnormal conditions shall be handled in time and recorded, and the follow-up posts and quality management department shall be notified in time for handling.

dCold drawn or cold rolled precision square tube (gb-) is a cold drawn or cold rolled precision square tube with high dimensional accuracy and good surface finish for mechanical structure and hydraulic equipment. The selection of precision square mechanical structure or hydraulic equipment can greatly save machining hours, improve material rate and improve product quality.

Mechanical properties of seamless qb square tube: tensile strength & sigma; b (MPa):≥ yield strength & sigma; s (MPa):≥ elongation & Delta; (%):≥ reduction of area & psi; (%):≥ impact absorption energy (impact value) (akuj): & Ge; the products produced by the more complex technology are exquisite. At present, Fangguan is highly praised by the public in the market. What is important is that there is a good guarantee in terms of quality. Therefore, whether Fangguan can obtain such a high market evaluation depends on the complex technology of Fangguan.

ZQatarSteel with chromium content of more than % in steel and high corrosion of external medium (acid, alkali salt) is called square pipe. According to the condition in steel,Q345D square tube square tubes can be divided into martensite, austenite and ferrite & mdash; Austenite type, precipitation hardening square tube, according to the standard gb & mdash; regulations, a total of regulations.

ZbAt present researchers at home and abroad have carried out experimental discussion on the anti adhesion of square tube surface. So far, there is still a lack of research on surface adhesion, there is no systematic and perfect theory to guide the preparation of anti adhesion inner surface of pipeline, and there is a lack of operable and low-cost inner surface preparation technology of square pipe. In terms of solid surface adhesion mechanism, based on the solid-liquid interface adhesion work theory and smooth solid surface model, this paper analyzes the spreading process on machined rough surface,Q345D square tube studies the dynamic movement characteristics of solid-liquid vapor phase line, directly analyzes the adhesion process,180 galvanized square pipeThe thickness of the industry has weakened and establishes a line spreading model based on small system energy, It provides theoretical guidance for the preparation of anti adhesion surface of pipeline.

Solid bending, as the name suggests is to compact the bending. During real bending, the inner and outer rollers and the inner and outer walls of the pipe blank are compacted in both directions.


The cutting surface of the square tube shall be true circle, and the cutting line shall be at right angles to the axis of the square tube. Excessive force is the reason for cutting the square tube into flat or oval, so the square tube should be cut with appropriate force.

cThe square tube for fluid transportation (gbt-) is a general square tube for transporting water, oil, gas and other fluids.

MShould choose,Galvanized pipe_ Galvanized square pipe_ Seamless steel pipe_ Square tube - Wuxi Jiahang in the end is galvanized or paint; For paint, it is recommended to match: epoxy zinc rich um + epoxy micaceous iron intermediate paint um + polyurethane finish paint um. In this way, according to the standard of iso, you can protect the indoor and outdoor environment for years, which is not a big problem.

HStatisticsIn the heat exchange planning of metallurgy, petrochemical and other occupations, there are various forms of heat exchangers, but the conventional heat exchangers have many disadvantages, such as poor heat exchange, difficult cleaning, large dust thermal resistance and so on, which can not meet the needs of production customers. The square tube heat exchanger based on square tube throat has the advantages of excellent heat exchange, easy cleaning, small dust thermal resistance and compact structure.

bAGalvanized qb square pipe for low pressure fluid transmission, Standard No.: gbt-. The representative materials are the same as above. It is mainly used for conveying low-pressure fluids such as water, gas, air and oil and heating hot water or steam. The surface of square pipe shall be hot galvanized or cold galvanized.

before slicing. Highlight: push your hand straight up and down without bending and tremor. Dont know when its down. Take a constant speed and hand power to stabilize it. Dont slice or cut it completely.


Square tube saves raw materials: the material rate of cold parts can usually reach more than %. For example, the material rate of pin cutting of brand automobile is %, while the material rate when cold is used is increased to %; For another example, after the universal joint bearing sleeve is changed to cold, the material rate is increased from % in the past to%. It can be seen that the use of cold production of mechanical parts can save a lot of steel and non-ferrous metal materials.

Packaging strategyqSquare tube with complex section: flower shaped square tube, open square tube, corrugated square tube and special-shaped square tube.

ELarge diameter qb square tube production standard classification square tube is divided according to production standard: national standard square tube, Japanese standard square tube, British standard square tube American standard square tube, the pipe end protector shall be removed to avoid moisture gathering on the surface of the pipe end protector and the square pipe, which is difficult to volatilize.

tShot blasting is a high-speed rotating impeller that throws small steel shot or small iron shot out and hits the surface of the square tube at high speed, so the oxide layer on the surface of the square tube can be removed. At the same time, the steel shot or iron shot impacts the surface of the square tube at high speed, resulting in lattice distortion and deformation on the surface of the square tube resulting in surface hardness, which is the key to clean the surface of the square tube

iNQb square pipe for mining fluid transportation, Standard No.: gbt-. The representative material is Q grade B steel, which is mainly used for coal mine air pressure, drainage and vertical shaft gas drainage straight seam qb square pipe.

Performance index analysis of square tube - impact toughness the load acting on the part at a great speed is called impact load, and the ability of metal under impact load is called impact toughness.

TAGSlabel:Q345D square tube

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