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Mechanical Properties Of Fasteners

Mechanical Properties Of Fasteners

 

MECHANICAL PROPERTIES OF FASTENERS
Strength grade Tensile strengh N/mm2 Hardness Yield strength N/mm2
Brinell Hardness Rockwell Hardness
Min. Max. Min. Max. HRB HRC Min.
Min. Max. Min. Max.
3.6 333 480 90 150 49 82 -- -- 196
4.6 392 539 110 170 62 88 -- -- 235
4.8 314
5.6 490 686 140 215 77 97 -- -- 294
5.8 392
6.6 588 784 170 245 88 102 -- -- 353
6.8 421
6.9 529
8.8 784 980 225 300 -- -- 18 31 627
10.9 980 1176 280 365 -- -- 27 38 882
12.9 1176 1372 330 425 -- -- 34 44 1058

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