Seam pipe, Seamless pipe, Seamless stainless steel pipe
Seamless steel pipe is a long steel with a hollow section and no joints on the periphery. Simply put, stainless steel pipes are made of...
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ASTM A53 Grade B ERW, A53B ERW Pipe, Grade B A53 Welded Pipe
ASTM A53 Pipe, A53 Grade B ERW, A53B ERW Pipe, Grade B A53 Welded Pipe, ERW Steel Pipe Supplier, Exporter ASTM A53 Grade B ERW Pipe is a...
Application and Material of Seamless Steel Pipe
Seamless steel pipes are pided into the following varieties due to their different uses: 1. GB/T8162-1999 (Seamless steel pipe for...
What is Electric Resistance Welding?
Electric resistance welding (ERW) refers to a method that uses a strong current to pass through the contact point between the electrode...
What is ERW steel pipe?
ERW steel pipes are manufactured by low-frequency or high-frequency resistance “resistance”. They are round pipes welded from steel...
What is HFW steel pipe?
It should be noted that HFW pipe is a type of ERW pipe. High frequency welding (HFW) is a solid resistance heat energy. Through...
Differences Between ERW and HFW Steel Pipe
The first is to know the difference between ERW and HFW welding processes. ERW welding process refers to the heat generated by the...
Matters Needing Attention in the Storage of Straight Seam Steel Pipes
Straight seam steel pipe is a kind of welded steel pipe. After forming a hot-rolled steel coil by a forming machine, the steel coil is...
What Aspects Will be Affected by the Quality of Longitudinal Welded Pipes ?
The quality of straight seam welded pipe is a concern for users. Its quality is mainly composed of its own material, standard, wall...
What are the Factors that Affect the Passivation Coating of Seamless Steel Pipes?
The factors that affect the passivation coating of seamless steel pipes mainly include the following four points: The passive film of...
What is Casing Drilling?
Casing pipe drilling refers to the use of casing instead of drill pipe to apply torque and weight on the drill bit to achieve bit...
What is the API Petroleum Steel Pipe Standard? How is it Classified?
API is the abbreviation of American Petroleum Institute. API was established in 1919 and was the first national-level business...
Common Method to Connect Carbon Seamless Steel Pipe
Different connection methods have different application fields due to their different production principles, but in general they all have...
Which is better seamless or ERW steel pipe?
Seamless steel pipes are made of steel ingots or solid tube billets through perforation and then made by hot rolling, cold rolling or...
Why Use Seamless Steel Pipes for Oil Transportation?
Petroleum seamless steel pipes are mainly used for oil and gas well drilling and oil and gas transportation. It includes oil drilling...
How to Remove Rust from Straight Seam Steel Pipes?
In the anti-corrosion construction of oil and gas pipelines, straight seam steel pipes are often used. The surface treatment of this...
What is a Precision Seamless Tube?
Precision seamless pipe is a kind of high-precision steel pipe material processed by cold drawing or hot rolling. Because the inner and...
Specification for Characteristic Testing of Precision Seamless Tubes
Precision seamless pipes are pided into two types, hot-rolled seamless steel pipes and cold-rolled seamless steel pipes due to their...
Defects that May Occur in the Production of Hot-rolled Seamless Steel Pipes
Hot-rolled seamless steel pipe is a kind of round, square and rectangular steel with a hollow section and no joints on the periphery....
Defect Analysis of High-precision Cold-rolled Seamless Steel Pipe
Analysis of quality defects on the inner and outer surface of high-precision cold-rolled(cold drawn) seamless steel pipe: Cold rolled...
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