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ONTON Technology Co.,Ltd
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ONTON Technology Co.,Ltd [China (Mainland)]


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City: Chengdu
Province/State: Sichuan
Country/Region: China (Mainland)

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How to judge the ductile quality of a hollow bar anchor accurately and quickly?
The American has presented a very obvious demonstration of hollow bar ductility: Bending Test.
  
The test is simple to do and easy to analysis: just bend around 180° (U shape) over a pin.
  
If there are no visible cracks, the ductility of the hollow bar anchor is enough.
  
That means the fracture of a hollow bar will be avoided during the installation. And this is very important to contractors. Especially in the mining and tunneling.
  
We picked a R30N hollow bar anchor from the stock, and made a bending test today.
  
The Agt of this High Ductility hollow bar is up to 9%. So the result of bend test is very good.
  
Keep the balance of strength and ductility is not easy to hollow bar anchor manufacturers, but we have done it.

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