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Is there any difference between HFW steel pipe and ERW steel pipe
The difference between ERW (straight seam electric resistance welded) steel pipe and HFW (high frequency welded) steel pipe is mainly the principle. As the name implies, resistance welding is a method in which pressure is applied through electrodes after the weldment is combined, and the resistan...Read more -
What is the suitable temperature for welding straight seam steel pipe
Welding, also known as welding, is a manufacturing process and technology that can join metal or other thermoplastic composite materials such as plastics by applying heat, high temperature, or pressure. There are three welding methods: 1. Welding. The workpiece is heated to form a molten pool. Af...Read more -
Defects that are prone to occur in the welding zone of spiral steel pipes
The defects that are easy to occur in the welding area of the spiral steel pipe include air holes, thermal cracks, and undercuts. Spiral steel pipe weld porosity not only affects the tightness of the pipe weld, causing pipeline leakage but also becomes a corrosion induction point, seriously reduc...Read more -
Packaging precautions for spiral steel pipes
How to pack the spiral steel pipe when transporting it has always been a problem that needs attention. Next, I will talk to you about the precautions for packing the spiral steel pipe. 1. If the buyer has special requirements for the packaging material and packaging method of the spiral steel pip...Read more -
A Simple Analysis of the Storage Site and Deoxidizer of Straight Seam Steel Pipe
Straight seam steel pipe can be divided into many different specifications and names, among which the names are, straight seam welded pipe, double-sided submerged arc welded pipe, thick wall straight seam steel pipe, straight seam steel pipe, large diameter straight seam steel pipe, API5L straigh...Read more -
Galvanized Steel Pipe Installation Step
1. Broken galvanized steel pipe: draw a line on the selected pipe according to the on-site surveying and mapping sketch, and cut the pipe according to the line. a. Cut off the pipe with a grinding wheel saw, put the pipe on the caliper of the grinding wheel saw, align it with the drawn line and c...Read more