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Advantages of Casing Drilling
Oil well casing refers to the use of casing instead of drill pipe to apply torque and drilling pressure to the bit to achieve bit rotation and drilling. The whole drilling process no longer uses drill...
Analysis of Cutting Problems of Seamless Steel Tubes
What should be paid attention to after the seamless steel tube is cut? What should be paid attention to during the heat treatment? The following seamless steel tube manufacturers will introduce you in...
Processing Technology of Tubing
Common tubing buckle types Common tubing buckle types are pided into three types: EU, NU and NewVam. These three types of buttons can be found in the tool workshop. Among them, EU and NU are difficult...
Features and Deficiencies of Outer Thickened Tubing
Features of outer thick tubing:
1. Enhance connection strength through upsetting of joints;
2. Sealing is achieved through cooperation with thread grease.
Disadvantages of the outer thick tubing:
1. ...
Cold Drawn ERW Steel Pipe
Cold drawn erw steel pipe, which is one of the best choices for the production of multi-stage hydraulic cylinders. Its process is the same as that of precision seamless pipe cold drawing. It is precis...
What are the Causes of the Wrong Side of Thick-Walled Straight Seam Steel Pipes?
In the production process of thick-walled straight seam steel pipes, it is necessary to perform strict production processes. If the production process is unreasonable or the production equipment is no...
Technical Requirements for Tubing
(1) Domestic tubing is in accordance with SY / T6194-96. The length of the tubing is variable, and the range is 8-13m. But no less than 6m sleeves can be provided, and the number must not exceed20%.
(...
Differences Between Electric Resistance Welding and Electric Fusion Welding
ERW is the abbreviation of electric resistance welding.
The welding method of ERW pipe and submerged arc welded pipe is significantly different. The pressure welding method without filler metal is ado...
Cooling Method of Seamless Steel Pipe
After the seamless steel pipe is heat-treated, it is required to wait for it to cool before proceeding to the next step. The cooling method of seamless steel pipes changes with the changes in their ma...
Classification of Oil Casing Materials
27MnCrV is a new type of steel used in the production of TP110T steel grade casing pipe sleeves. The steel types used in conventional production of TP110T steel grade oil pipe sleeves are 29CrMo44 and...
