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Different grade of the carbon steel segment bolt

hits:1798    date:2015-10-22

  Generally speaking, if the main raw material of the excavator segment bolt is the carbon steel material, then its property grade can be divided into ten different grade, which range from 3.6 to 12.9 grade, so people can according to their needs to make the final decision. For example, if the grade of the excavator segment bolt is 3.6, then the meaning of the 3 is the extension strength of the excavator segment bolt, and the 6 means the yield strength ratio of the excavator segment bolt.

  For example, if the grade of the excavator segment bolt is 8.8 grade, then the extension strength of the raw material can be above eight hundreds Mpa, and the yield strength ratio of this kind segment bolt is about zero point eight, it also means the yield strength of this raw material segment bolt can be six hundreds and fourteen MPa, and with the bigger grade symbol, the mechanical property of the excavator segment bolt would be better.
 

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