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Bolts Structural Heavy (ASTM F3125 F3125M)
  • Bolts Structural Heavy (ASTM F3125 F3125M)Bolts Structural Heavy (ASTM F3125 F3125M)
  • Bolts Structural Heavy (ASTM F3125 F3125M)Bolts Structural Heavy (ASTM F3125 F3125M)
  • Bolts Structural Heavy (ASTM F3125 F3125M)Bolts Structural Heavy (ASTM F3125 F3125M)
  • Bolts Structural Heavy (ASTM F3125 F3125M)Bolts Structural Heavy (ASTM F3125 F3125M)

Bolts Structural Heavy (ASTM F3125 F3125M)

Maka ịrụ ọrụ nhazi a pụrụ ịdabere na ya n'ọrụ ihe owuwu na-achọsi ike, dabere na nnukwu hex bolts na-ezute ụkpụrụ ASTM F3125 na F3125M. Site na nchara ha siri ike dị elu, nchebe corrosion na nha nha, bolts ndị a na-eme ka njikọ dị nchebe na nke a pụrụ ịdabere na ya na mgbakọ ígwè nhazi.

Nlereanya:ASME B 18.2.6

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Nkọwa ngwaahịa

[283]

Ntụkwasị obi n'ihe owuwu:A na-emezi bolts hex siri ike na-agbaso ụkpụrụ ASTM F3125 na F3125M iji nye arụmọrụ a pụrụ ịdabere na ya na ngwa ihe owuwu na-achọ. Emebere bolts ndị a iji nagide ibu dị elu ma hụ na nkwụsi ike na iguzosi ike n'ezi ihe nke njikọ dị oke mkpa na mgbakọ nchara nhazi.

Ike ihe:Emebere ya site na alloys nchara dị elu, bolts ndị a na-enye ihe ndị pụrụ iche tensile na shear ike, na-eme ka ha dị mma maka ojiji na ngwa nchara arụrụ arụ n'okpuru ibu dị arọ na ike ike. Ihe owuwu ha siri ike na-akwalite ịdịte aka na ntụkwasị obi nke mgbakọ nhazi.

Nchekwa corrosion:Ihe mkpuchi hex dị arọ dị na mkpuchi na ihe ndị na-eguzogide corrosion na-eguzogide ọnọdụ gburugburu ebe obibi, gụnyere ikpughe na mmiri, kemịkalụ, na ihe ndị dị n'èzí. Nke a na-eme ka arụ ọrụ ogologo oge na-ebelata ihe ize ndụ nke nsogbu ndị metụtara corrosion na ngwa nhazi.

Nzizi nha nha:ASTM F3125 na F3125M bolts na-enweta nyocha nha anya nke ọma iji hụ na nnabata ziri ezi na ndakọrịta na ihe nchara arụrụ arụ. Izi ezi nke akụkụ a na-eme ka ọ dị mma na nhazi nke ọma n'oge mgbakọ, na-enye aka n'ịdị mma na iguzosi ike n'ezi ihe nke nhazi ahụ.

Nlele na asambodo:Ihe mgbochi ndị a na-enweta usoro nnwale siri ike iji nyochaa akụrụngwa ha, ihe mejupụtara kemịkalụ, yana nnabata na nkọwa ASTM F3125 na F3125M. Asambodo na-eme ka bolts ahụ mezuo ụkpụrụ ụlọ ọrụ yana ihe achọrọ maka ngwa nhazi.

Ntuziaka nwụnye:Usoro nrụnye kwesịrị ekwesị, gụnyere usoro mkpọchi ziri ezi na ịme ihe mgbochi, dị oke mkpa maka ịkwalite arụmọrụ nke bolts nhazi hex dị arọ. Ịgbaso ndụmọdụ ndị nrụpụta na omume kacha mma nke ụlọ ọrụ na-eme ka njikọ dị nchebe na ntụkwasị obi na mgbakọ nchara arụpụtara.

Ndụmọdụ na nkwado:A na-atụ aro ka ị gakwuru ndị injinia nhazi na ndị ọkachamara na-ekekọta ihe mgbe ị na-ahọrọ bolts nhazi hex siri ike maka ọrụ owuwu. Ha nwere ike inye nghọta na enyemaka bara uru n'ịhọrọ ụdị bolt kwesịrị ekwesị, nha, na ọkwa iji zute ihe a chọrọ n'ọrụ ma hụ na nguzosi ike n'ezi ihe.

Ngwa dị mkpa:Ihe mkpuchi hex dị arọ bụ ihe dị mkpa na ngwa nchara nhazi dị iche iche, gụnyere ụlọ, àkwà mmiri, ụlọ elu, na ọrụ akụrụngwa. Ọrụ ha a pụrụ ịdabere na ya na nrube isi na ụkpụrụ ụlọ ọrụ na-enye aka na nchekwa, nkwụsi ike, na nkwụghachi nke ihe owuwu dị oke mkpa.



Nha eriri
1/2 5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2
PP UNC
UNF
A F
ds max
min
s Nha aha
max
min
e max
min
k Nha aha
max
min
b Ref.
r max
min
13 11 10 9 8 7 7 6 6
20 18 16 14 12 12 12 12 12
28 24 20 20 20 18 18 18 18
0.515 0.642 0.768 0.895 1.022 1.149 1.277 1.404 1.531
0.482 0.605 0.729 0.852 0.976 1.098 1.223 1.345 1.47
7/8 1-1/16 1-1/4 1-7/16 1-5/8 1-13/16 2 2-3/16 2-3/8
0.875 1.062 1.25 1.438 1.625 1.812 2 2.188 2.375
0.85 1.031 1.212 1.394 1.575 1.756 1.938 2.119 2.3
1.01 1.227 1.443 1.66 1.876 2.093 2.309 2.526 2.742
0.969 1.175 1.383 1.589 1.796 2.002 2.209 2.416 2.622
5/16 25/64 15/32 35/64 39/64 11/16 25/32 27/32 15/16
0.323 0.403 0.483 0.563 0.627 0.718 0.813 0.878 0.974
0.302 0.378 0.455 0.531 0.591 0.658 0.749 0.81 0.902
1 1.25 1.38 1.5 1.75 2 2 2.25 2.25
0.031 0.062 0.062 0.062 0.093 0.093 0.093 0.093 0.093
0.009 0.021 0.021 0.021 0.062 0.062 0.062 0.062 0.062
①, Chemical na n'ibu Njirimara nke ígwè bolts ga-adabara ASTM F3125/F3125M.


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