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Requisitos de selección de materiales para pernos de alta resistencia.

Además de las diferentes propiedades en el proceso de tratamiento, los pernos de alta resistencia con diferentes materias primas tienen diferentes propiedades de retardo y fractura bajo alta presión. En primer lugar, la resistencia a la tracción de la materia prima de los pernos de alta resistencia tiene mucho que ver con su proceso de enfriamiento. Generalmente, es difícil cumplir con los requisitos de materia prima de 10,9 pernos de alta resistencia después de un tratamiento de enfriamiento a 40 grados. Si no se somete a una estricta inspección normal, se puede apagar según el producto. Después de la dureza de la superficie para juzgar la calidad de su resistencia a la tracción. (Guía: Sobre los tres materiales de sujetadores)

En segundo lugar, los pernos de alta resistencia con tratamiento de enfriamiento de 40Cr como materia prima se utilizan principalmente en la rejilla de juntas esféricas de pernos. La resistencia de diseño es generalmente de 390MPa (d>u003d30mm) o 430MPa (d>u003d30mm). <30mm). High pretension pressure, if you want to add a high pretension, but also pay attention to understand and ensure its delayed fracture performance. The quality of high-strength bolts is the key, and it is necessary to strictly follow the requirements.

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Dongguan Fortuna was established in 2003. It has a factory area of 16,000 square meters and 260 employees. It is a production enterprise specializing in precision metal stamping parts, precision CNC processing, injection molding and product assembly.
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