High-strength bolt manufacturer
更新时间:2020-12-28 11:19:13•点击:29330 • Grid Knowledge
A high-strength bolt is a high-strength bolt, which is a standard part. Under normal circumstances, high-strength bolts can bear greater load than ordinary bolts of the same specification. Mainly used in steel structure engineering. A very important feature of high-strength bolts is that they are limited to single use. They are generally used for permanent connections. Repeated use is strictly prohibited!
The difference between high-strength bolts and ordinary bolts is the difference in material strength.
1. The material of ordinary bolts is made of Q235 (namely A3).
2. The material of high-strength bolts is 45# steel, alloy steel (such as 20MnTiB, 35VB) or other high-quality materials. After being made, heat treatment is carried out to improve the strength.
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