Quality Control
The constant quality control during manufacturing is the guarantee for the good quality and for the satisfaction of our customer. Meeting the specifications and drawings of our customers are the basis of our quality control. We use many ways and equipment to inspect for products. Also we control every step for producing.We will store the quality data for traceability purposes.
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During the fabrication process, welding is the most commonly used method of joining items together. The welding processgenerally involves melting and subsequentcooling, and the result of this thermal cycleis distortion if the welded item is free tomove, or residual stress if the item issecurely held. There comes a point when theamount of residual stress can create potential problems, either immediately or during thelife of the welded structure, and it needs to be reduced or removed. Post weld heattreatment is the most widely used form of stress relieving on completion of fabrication of welded structures. The principle is that as the temperature is raised, the yield stress andthe elastic modulus of the material fall. A point is reached when the yield stress no longer supports the residual stresses and some localised plastic deformation occurs.
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