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Quenching Technology for Straight Seam Welded Steel Pipe

Quenching Technology for Straight Seam Welded Steel Pipe

Keywords :Quenching Technology for Straight Seam Welded Steel Pipe        Update : 2022-12-27        View(s) : 615

The surface quenching and tempering heat treatment of straight seam welded steel pipe is usually carried out by induction heating or flame heating. The main technical parameters are surface hardness, local hardness, and effective hardened layer depth. Vickers hardness tester can be used for hard...

The forming process of steel elbow and how to prevent aging of steel elbow

The forming process of steel elbow and how to prevent aging of steel elbow

Keywords :The forming process of steel elbow and how to prevent aging of steel elbow        Update : 2022-12-26        View(s) : 681

Steel elbow processing and forming process 1. Die forging. For socket welding and threaded tees, crosses, elbows, and other small pipe fittings, the shapes are more complicated and should be manufactured by the die forging process, and the die forging blanks should be rolled profiles, such as ...

Process characteristics of galvanized steel pipe

Process characteristics of galvanized steel pipe

Keywords :Process characteristics of galvanized steel pipe        Update : 2022-12-23        View(s) : 593

1. Optimization of sulfate galvanizing The advantage of sulfate galvanizing is that the current efficiency is as high as 100% and the deposition rate is fast, which is unmatched by other galvanizing processes. Because the crystallization of the coating is not fine enough, the dispersion ability an...

Causes of problems caused by improper heat treatment of seamless steel pipes

Causes of problems caused by improper heat treatment of seamless steel pipes

Keywords :Causes of problems caused by improper heat treatment of seamless steel pipes        Update : 2022-12-22        View(s) : 611

Improper heat treatment of seamless steel pipes is likely to cause a series of production problems, resulting in greatly reduced product quality and turning into waste products. Avoiding mistakes that are easy to make during heat treatment is saving money. What problems should we pay attention to an...

The method of straight seam steel pipe in preheating deformation

The method of straight seam steel pipe in preheating deformation

Keywords :The method of straight seam steel pipe in preheating deformation        Update : 2022-12-21        View(s) : 653

The high-frequency welding process of straight seam steel pipe is completed in the high-frequency welded pipe unit. The high-frequency welded pipe unit is usually composed of rolling forming, high-frequency welding, extrusion, cooling, sizing, flying saw cutting, and other components. The front ...

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