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Shenyang gold Mold Steel Co., Ltd.


Address: Shenyang economic and Technological Development Zone, North Road, No. twenty-six, No. 2

Tel: 4008388877

Fax: 024-86629997

Zip code: 110141


Correct selection can improve hot forging die steel performance

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Correct selection can improve hot forging die steel performance

Release date:2016-04-04 00:00 source:http://www.zjmjg.com Click:

Forging die steel



Correct selection can improve hot forging die steel performance 

 

For plastic injection mold of industry products, mostly using common grade of steel, such as AISI P20. However, a new type adopted alternative steel smelting technology has been developed. This with different steel AISI P20 series, breaking the traditional pattern of materials used in mold making, and can satisfy the specific requirements of plastic industry. 

The performance of the ordinary steel is through the adoption of carbon and chromium molybdenum, or other elements such as hardening. Despite decades of ordinary steel performance is satisfactory, but as a new kind of polymer into the market and improvement of the mold, the material began to expose its limitations. Through careful observation can be found that when the steel used in thick parts, the hardness will continue to decline. 

 

In addition, the mold maker will encounter a series of problems in the machining process, such as there will be a hard point in deep drilling, as well as the strong vibration of milling. This suggests that based on smelting technology of carbon is no longer the best solutions. Manufacturers need to reduce the production cost, but also to maintain their good reputation and status in the market. To do this, they have to try to eliminate the risk of failure in the production process. For mold maker and molding, choose a kind of improved performance of steel is one of the factors for success. 

 

Due to the defect of steel P20 type is caused by the carbon content, so one solution is to minimize carbon content, and do not need to join a large number of nickel, chromium and molybdenum and other precious metals shall be added. 

 

Alternative to the steel smelting process, the use of boron. Join a small amount of boron, can guarantee the steel hardness is 300 HB, and distribution is very uniform (even thickness of 800 mm thick products). It is for many years research on optimization of steel, to produce the product of this improved performance (see table 1 and table 2). Smelting effect 

Because the smelting technology is the only way to improve the performance of steel, so its process is also the most important. 


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