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Casting and forging flange

CASTING AND FORGING OF FLANGES

There are two kinds of methods that are useful for the creation of flanges. These include forging and casting. Both the cast and forged flanges may work well, but each production method has certain disadvantages and advantages. Cast are seen as outdated and not useful for high-stress service.


The creation of cast products can be seen when they pour the molten metal into a mold or vessel to create the desired shape. Billets and steel ingots are useful when it comes to the creation of forged products. Exposure to thermal and mechanical pressures helps them to manipulate different shapes.


The issue with the cast flanges is that they are much more prone to internal defects. It means that you cannot use them in extremely high-pressure situations as there is a possibility of sudden failures without any warnings. As there would be a risk of internal flaws, the cast flanges are also most likely to be heavily affected by corrosion.


In contrast, forged flanges are not only reliable but also able to withstand more pressure. Forged parts come with around 37% fatigue strength. It is higher than other types, and it means that they last longer. Therefore, it is best to invest in high-strength that forge products as it is usually better for long-term investments using the high-pressure application.


Generally, forged flanges are stronger and more reliable than cast flanges because the grain flows of the steel are altered, confirming to the shape of the part. The tight grain structure of forgings makes the pieces mechanically stronger, and more resistant to general wear and tear than cast flanges. The higher quality, reliability, strength, and durability are why we deal mostly in forged flanges rather than cast flanges.


Jinan Aowei Flange, we offer forged flanges from 1/2″ nominal pipe size to 48″ OD in over a dozen different material grades. We value quality and strive to ensure that you are getting the right part for your application at a price and lead time that works for your business. Our salesmen work with you to ensure this. If you need a flange, give us a call at +86 18615289708 or send an e-mail to summer@jnaowei.com to begin your inquiry.  While you’re here , feel free to peruse our free informational blog posts, free 3-D and CAD drawings, or flange charts.