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News

13

2022

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05

How to understand high strength in high strength bolts

Several concepts about high-strength bolts 1. According to the specified performance level of bolts above 8.8, they are called high-strength bolts. The current national standard only lists M39. For large-size specifications, especially those with a length greater than 10 to 15 times High-strength bolts, domestic production is still short-term.


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high strength bolts

The difference between high-strength bolts and ordinary bolts:
High-strength bolts can withstand larger loads than ordinary bolts of the same specification.
The material of ordinary bolts is made of Q235 (ie A3). The material of high-strength bolts is 35# steel or other high-quality materials, which are heat-treated after being made to improve the strength.

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