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Factors Affecting the Quality of Casing String Threaded Connection

Oil casing pipe is also called special oil pipe, which is mainly used for the drilling of oil and gas wells and the transportation of oil and gas. It includes oil drilling pipes, oil casings, and oil sucking pipes. Oil drill pipes are mainly used to connect drill collars and drill bits and transmit drilling power. The oil casing is mainly used to support the well wall during the drilling process…

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What is Aluminum Coil?

An aluminum coil is a metal product that is subjected to flying shear after being rolled by a casting and rolling mill and processed by drawing and bending. In terms of processing technology, silicon has a corrosive effect on alloys. Although aluminum alloys with a silicon content of more than 12% are generally referred to as high-silicon aluminum alloys, diamond tools are recommended, but this…

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Steel Pipe Standard: ASTM A53 GR.A GR.B

ASTM A53 American standard (non-plated and hot-dip galvanized welded and seamless nominal steel pipe), ASTM A53 is the executive standard for steel pipes, and Gr.B is the steel grade (level) of steel pipes According to the standard name: Both welded pipe and seamless pipe can be produced, depending on customer requirements. A53-F corresponds to China’s Q235 material, A53-A corresponds to…

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Installation Steps of Straight Thread Rebar Coupler

We must pay attention to the installation when using a straight thread rebar coupler to avoid technical problems, which may affect the quality of the product. There, we will make a brief introduction to the installation steps of the straight thread rebar coupler: 1. Reinforcement in place: transport the rebar that has passed the wire head inspection to the construction for connection. 2.…

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What is Octagonlock Scaffolding?

Octagonlock scaffolding system is a new kind of ringlock type scaffolding. The spigots on the standard have 8 straight holes, which perfectly fit the ledger and diagonal heads, making the system more stable. Octagonlock scaffolding is the prototype of a scaffolding system. It is now mainly and widely used in both domestic and abroad markets. Do you need to erect scaffolding for a construction…

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Precautions of Safety net

Safety nets are essential protective equipment for workers working at heights. The relevant regulations must be strictly observed during its use. 1. Safety nets must be hung under the high working parts; when the height of the building exceeds 4m, a safety net must be installed that gradually rises with the wall, and then a fixed safety net is installed every 4m; Safety nets must be installed at…

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Aluminum Coils Manufacturer in China

Aluminum coil sheets are easier to store and transport than many stacked individual sheets. Aluminum coils are supplied to manufacturing operations, metal fabricators and other metalworking operations by aluminum suppliers. When a coil of aluminum arrives at a metalworking facility, it can be subject to all manner of processing. Coiled aluminum can be stamped, etched, cut, welded, bent and…

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What is Octagonlock Scaffolding?

Octagonlock scaffolding system is a new kind of ringlock type scaffolding. The spigots on the standard have 8 straight holes, which perfectly fit the ledger and diagonal heads, making the system more stable. Octagonlock scaffolding is the prototype of a scaffolding system. It is now mainly and widely used in both domestic and abroad markets. Do you need to erect scaffolding for a construction…

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Aluminium Coil: An Earth-Friendly Industrial Material

Whether a project calls for aluminum foil or aluminum sheet, the aluminum coil is behind the manufacturing process. An aluminum coil is formed by taking one continuous strip of aluminum and coiling it into a roll. Advantages of aluminum Some of the advantages of the aluminum coil are that it is lightweight, heavy-duty, and able to resist corrosion. By a process called anodizing, whereby the…

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What Types of Shade Nets Are There?

Sunshading net, also known as shading netting, is a special protective covering material used for agriculture, fishing, animal husbandry, wind protection, soil covering, etc. After covering in summer, it plays a role in blocking light, rain, moisturizing, and cooling. So what types of shade nets are there? There are four types of sunshade nets for your reference. 1. Round wire sunshade net:…

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The Seven Principles of Straight Threaded Steel Bar Connection Sleeve Connection

1. The straight-threaded steel bar connection sleeve joint should be set at the place where the force is less, and fewer joints should be set on the same steel bar. 2. The tie rods (axial tension and small eccentric tension members) of the wooden frame and the arch shall not be bound and lap joints. 3. When the diameter of the tensile steel bar is greater than 28mm and the diameter of the…

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Crafts of Plastic Templates

Roof plastic formwork support: the distance between the sub-corrugations is determined according to the thickness of the plate. Under normal construction conditions, the distance between the sub-corrugations (center distance) for floors less than 150 thick is 350 to 400 mm; Compared with the normal use of bamboo plywood formwork, the spacing of the secondary corrugations is increased by 50mm, and…

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The Method of Eliminating the Fitting Gap of Rebar Thread Connection Sleeve

The steel bar connection sleeve is a mechanical connection in the steel bar connection method. It is suitable for the connection between large-diameter steel bars. It has the characteristics of energy-saving and is not limited by the composition and type of steel bars. It is widely used in construction. Do you know the method to eliminate the thread fit-gap of the steel connection sleeve? 1. The…

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How to Identify Whether the Steel Straight Thread Sleeve is Qualified？

Steel bar straight threaded sleeves play the role of connecting steel bars in construction, and they are matched with different types of steel bars, so it is very important to select a batch of steel bar sleeves that meet the needs of the project, so I will popularize the identification of steel bar straight-A method for qualifying threaded sleeves. 1. There are cracks. 2. The length and outer…

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Classification and Advantages of Steel Rebar Sleeves

With the rapid development of the construction industry, traditional steel bar connection methods can no longer meet the needs in terms of connection quality, connection efficiency, and operability. The continuous updating of steel bar connection sleeve technology has driven the progress of the entire construction industry. Today, I will introduce the classification and advantages of steel…

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Importance and Requirements of Steel Connecting Sleeve

The design basis of the steel bar connection sleeve has a high dimensional tolerance level, IT4 level, and the surface roughness is 0.8. These technical conditions are to ensure the matching accuracy of the straight thread connection sleeve and the bearing and the smooth movement. The steel bar straight thread sleeve is a key part, and its quality directly affects the work efficiency of other…

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Differences between the Connection of Straight Thread Sleeve and Cold Extrusion Sleeve

The connection of the steel bar straight thread sleeve is to peel off a part of the longitudinal and transverse ribs at the end of the steel bar to be connected by cutting with a thread rolling machine, and then directly roll it into an ordinary straight thread and connect it with a straight thread sleeve. The technology is efficient, convenient, fast, saves energy and reduces consumption,…

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