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Heavy Hex Structural Bolts (ASTM A325 ASTM A490)
  • Heavy Hex Structural Bolts (ASTM A325 ASTM A490)Heavy Hex Structural Bolts (ASTM A325 ASTM A490)
  • Heavy Hex Structural Bolts (ASTM A325 ASTM A490)Heavy Hex Structural Bolts (ASTM A325 ASTM A490)
  • Heavy Hex Structural Bolts (ASTM A325 ASTM A490)Heavy Hex Structural Bolts (ASTM A325 ASTM A490)
  • Heavy Hex Structural Bolts (ASTM A325 ASTM A490)Heavy Hex Structural Bolts (ASTM A325 ASTM A490)

Heavy Hex Structural Bolts (ASTM A325 ASTM A490)

Maka iguzosi ike n'ezi ihe nhazi na ntụkwasị obi na ọrụ owuwu, tụkwasị obi hex bolts structural hex siri ike na-agbaso ụkpụrụ ASTM A325 na A490. Site na nchara ha siri ike dị elu, nguzogide ihu igwe, yana nrube isi na ụkpụrụ ụlọ ọrụ, bolts ndị a na-enye arụmọrụ a pụrụ ịdabere na ya na ngwa nhazi dị oke mkpa.

Nlereanya:ASME B 18.2.6

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Nkọwa ngwaahịa

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Iguzosi ike n'ihe nhazi:Ihe mkpuchi hex siri ike dabara na ASTM A325 na ASTM A490 ka emebere ya iji nye nguzobe n'ụzọ pụrụ iche na-achọ ihe owuwu na akụrụngwa akụrụngwa. Emebere bolts ndị a iji nagide ibu dị elu na nrụgide, na-eme ka ha dị mma maka ngwa dị oke egwu ebe nchekwa na ntụkwasị obi dị mkpa.

Igwe ike dị elu:Emepụtara site na alloys ígwè dị elu, bolts ndị a na-enye ihe ike dị elu na nke siri ike, na-eme ka arụmọrụ a pụrụ ịdabere na ya na njikọ nhazi. Ihe owuwu ha siri ike na-eme ka ha dị mma maka iji mee ihe na àkwà mmiri, ụlọ, ụlọ elu, na ihe ndị ọzọ na-ebu ibu bụ́ ndị e bufere ibu dị arọ na ike dị ike.

Nguzogide ihu igwe:A haziri bolts nhazi hex dị arọ iji guzogide ihe gburugburu ebe obibi dị ka corrosion, nchara, na ọnọdụ ikuku. Site na mkpuchi na ihe ndị na-eguzogide corrosion nhọrọ, bolts ndị a na-enye ogologo oge na ntụkwasị obi, ọbụlagodi na gburugburu ebe dịpụrụ adịpụ na ngwa mmiri.

Ibububu na ike njigide:Site n'inye ọkwa dị elu nke ibu mbu na ike njigide, ASTM A325 na A490 bolts na-enyere aka ịnọgide na-eguzosi ike n'ezi ihe ma gbochie ịtọpụ n'okpuru ibu dị ike na ịma jijiji. Nke a na-achọpụta na njikọ nhazi na-anọgide na-echekwa ogologo oge, na-ebelata ihe ize ndụ nke ọdịda nhazi yana hụ na nchekwa nke ndị ọrụ na ihe onwunwe.

Nkwenye na asambodo:Dịka ụkpụrụ ụlọ ọrụ siri dị, bolts hex dị arọ na-enweta nnwale siri ike na asambodo iji hụ na nnabata na nkọwapụta ASTM A325 na A490. Nke a na-agụnye nnwale igwe, nyocha kemịkalụ, na nyocha akụkụ iji nyochaa arụmọrụ na iguzosi ike n'ezi ihe nke bolts, na-enye mmesi obi ike nke ịdị mma na ntụkwasị obi.

Atụmatụ nwụnye:Usoro nrụnye kwesịrị ekwesị, gụnyere usoro nkwụchi ziri ezi na ime ihe mgbochi, dị mkpa iji bulie arụmọrụ nke bolts nhazi hex dị arọ. Ịgbaso ndụmọdụ ndị nrụpụta na omume kacha mma nke ụlọ ọrụ na-ahụ na arụmọrụ bolt kacha mma yana nguzosi ike n'ezi ihe.

Ndụmọdụ ndị ọkachamara:Mgbe ị na-akọwapụta bolts hex siri ike maka ọrụ owuwu, ọ dị mma ịkpọtụrụ ndị injinia nhazi na ndị ọkachamara n'ịkọba ihe. Ha nwere ike ịnye ntụzịaka na ịhọrọ ụdị bolt ziri ezi, nha, na ọkwa iji mezuo ihe achọrọ nke ngwa ahụ ma hụ na nnabata na ụkpụrụ ụlọ ọrụ.

Ngwa dị mkpa:Ihe mkpuchi hex dị arọ bụ ihe dị oke mkpa na ngalaba ihe owuwu na akụrụngwa, ebe ha na-arụ ọrụ dị mkpa n'ịhụ na nchekwa na nkwụsi ike nke gburugburu ebe ewuru. Site na àkwà mmiri na ụlọ ruo ụlọ ọrụ mmepụta ihe na akụrụngwa njem, bolts ndị a na-enye aka na nhazi nhazi na nkwụsi ike nke ọrụ akụrụngwa dị mkpa.



Eriri ịghasa
d
1/2 5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2
ds max
min
s Nha aha
max
min
e max
min
k Nha aha
max
min
b Ref.
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
①, Chemical na n'ibu Njirimara nke ígwè bolts ga-adabara ASTM A 325 ma ọ bụ ASTM A 490.


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