Posts by wilson
Comparison of Performance and Technical Indicators of ERW and SML
1. Tube blank quality
ERW steel pipe special steel has high purity. Through de-S, de-P, de-aeration, Ca treatment and other methods, the S and P content can be controlled below 0.005%, the N content c...
What is Petroleum Cementing Technology?
In order to strengthen the borehole wall and ensure continued safe drilling, seal off the oil, gas and water layers, ensure layered testing during exploration and reasonable oil and gas production dur...
Features of Casing Drilling
Casing drilling and conventional drill pipe drilling have obvious advantages. It is a technical feature of drilling engineering and it can bring huge economic benefits to casting operators.
Casing...
Difference Between Seamless Steel Pipe and Welded Pipe
1. The range of wall thickness of seamless steel tube is relatively wide, small diameter and large wall thickness and large diameter and large wall thickness can be achieved, but in general, the lengt...
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...
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%.
(...
ERW Straight Seam Welded Pipe
ERW straight seam welded pipe, also known as "resistance welded straight seam welded pipe", ERW straight seam welded pipe is mainly pided into two forms: ERW AC welded steel pipe and ERW DC welded ste...