How to avoid cracks during quenching in the induction heat treatment furnace for pipes?

The analysis and explanation of the cracking of the steel pipe during the quenching process is a common quenching defect, and it is produced by various methods. Today we will talk about how to prevent the cracking of the pipe during heat treatment.

Да се

Because heat treatment defects start from the product plan, crack prevention operations should start from the product plan. Therefore, it is necessary to select materials, reasonably plan the structure, put forward appropriate heat treatment technical requirements, reasonably arrange the process flow, and select reasonable heating temperature, holding time, heating medium, cooling mode, operation mode, etc.

Да се

The effect of heat treatment process and flow on quenching cracks.

First, the heat treatment process conditions.

The detection method is local strengthening or surface strengthening.

When quenching with induction heating equipment, adjust the quenching hardness reasonably according to the use of the workpiece. When the local hardening hardness requirements are not high, try not to perform the overall hardness fusion.

Да се

Pay attention to the role played by steel. Perform explosion-proof treatment in the first flammable area. Reasonable arrangement of process route and process parameters;

After confirming the material, structure and process conditions of the steel pipe, the heat treatment technicians must conduct a process analysis of the steel pipe to determine a reasonable process route, that is, the correct position of the induction heat treatment and the direction of the cold heat treatment process. Determine heating parameters;

Да се

Songdao Technology specializes in the production of steel tube induction heat treatment furnaces, steel tube heat treatment annealing equipment, steel rod quenched and tempered heat treatment lines, and seamless tube heat treatment furnaces. The manufacturer of induction heating equipment such as tube billet heat treatment equipment, we provide customized production plans, our induction heating equipment is strictly customized according to the actual production needs of customers, not only has less oxidation, less decarburization, but also no deformation, no cracking, and greatly improved The qualified rate of the customer’s product quality has been improved. If you need more knowledge about induction heating equipment, please contact the technical personnel of Songdao Technology.