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Influence of Welding Pressure on Welding of High Frequency Straight Seam Welded Pipe Unit

Views: 175     Author: Site Editor     Publish Time: 2022-10-24      Origin: Site

Only by knowing the influence of welding pressure on welding can we better operate and adjust the high frequency straight seam welded pipe unit to achieve higher efficiency. Today let's take a look at the effect of welding pressure on the high frequency straight seam welded pipe machine. 


Welding pressure is also the main parameter of high frequency welding. 

Theoretical calculations suggest that the welding pressure should be 100~300MPa, but the actual pressure in this area is difficult to measure in actual production. It is generally estimated based on experience and converted into the amount of extrusion at the edge of the tube. 


Different wall thickness takes different extrusion amount, usually the extrusion amount below 2mm is: 

0.5t~t for 3~6 mm; 0.5t for 6~10 mm; 0.3t~0.5t for over 10 mm. 


In the production of API steel pipes, there are often gray spot defects in welds, which are refractory oxides. The extrusion allowance of steel pipes above 6mm is 0.8~1.0 material thickness, and the effect is very good. 


 TENGDI MACHINERY Specializing in the design and manufacture of various types of high-frequency welded pipe units, stainless steel precision welded pipe units, high-precision steel-plastic, stainless steel composite welded pipe units; design and manufacture of various specifications and types of welded pipe molds - rolls, special-shaped rollers, so that the products have formed a series, It enjoys a high reputation among domestic and foreign merchants. 


For more information, please consult: 

www.tengdimc.com admin@tengdimc.com

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