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 Model Number |
hexagon high tensile bolt |
we make M16 M20 M22 M24 M27 M30 series hexgon bolt.
Our fasteners are used in a wide range of products applications include: outdoor building such as Shanghai Orient Pearl TV Tower
Material : carbon steel from Xingtai steel Plant
Standard sizes and tolerance confirming to International standard DIN, ANSI & JIS
Tailor-made for customer's request
Competitive pricing strategy under in-house process from raw material to finished products.
Primary competitive advantages:
International approvals
Price
Products performance
Screws in special sizes
Bolt Mechanical Property:
The performance grade: 10.9 s
The tensile strength is from 1040 Mpa to 1240 Mpa
The yield strength is no less than 940 Mpa
The Elongation is no less than 10%
The Shrinkage ratio is no less than 42%
The impact tenacity is no less than 59 J per square meters
The standard value of Wedge loading experiment is from 163 KN to 195 KN
The nominal stress loading area is 157 square millimeters
The bolt hardness : Vickers Hardness is from 312 HV30 to 367 HV30; the Rockwell Hardness is from 33 HRC to 39 HRC
Nut mechanical property:
The guaranteed loading is 163 KN
Nut hardness:
The performance grade: 10 H
The Vickers hardness is from HV30 222 to HV30 274
The Rockwell hardness is from HRB98 to HRC 28
Gasket Hardness is from HV30 329 to HV30 436(HRC 35--45)
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