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Jiangsu Hongtai Petrochemical Machinery Co., Ltd. All rights reserved Su ICP 苏ICP备11051173号-1
Address: No. 99, Huanghe Road, Suining Economic Development Zone, Jiangsu Province
Telephone (TEL): 0515-87632998
Mail：jiangyuhu@vip.sina.com
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High Strength Bolt
We are professional in producing high strength bolt. As high strengtii connector, it is mainly used in petroleum and chemistry field etc. Its materials adopt excellent carbon steel, alloy steel, and stainless steel.
Technology Paramerers:
|
Performance Requirement Level |
5.6 |
8.8 |
10.9 |
12.9 |
|
|
≤M16 |
≤M16 |
||||
|
Hardness |
HB147 ～ 242 |
B238～304 |
HB242～318 |
HB304～361 |
HB366～414 |
|
Tensile strength |
500 |
2800 |
800 |
1000 |
1200 |
|
Yield Strength |
300 |
640 |
640 |
900 |
1080 |
|
Proof stress |
280 |
580 |
600 |
832 |
970 |
|
Elongation^ 5% |
20 |
12 |
12 |
9 |
8 |