ASTM A325 structurel hex kunkolo kuruw ka ɲɛsin girinw ma-Baarakɛɲɔgɔnyaw .
S: Bonya min bɛ hexagonal head flats kan .
K: Hexagonal kunkolo janya .
DS: Shank Diamètre .
D: Jiri in cɛmancɛ .
L: Janya .
ASTM A325 ye baarakɛcogo ɲɛfɔli ye min bɛ kemikoro kɛcogo, masinw cogoyaw, ani hakɛ wajibiyalenw ɲɛfɔ hex kunkolo jɔcogo sirilanbaw kan.
A325 kuruw bɛ sigi cogoya la ni nuguw ni kolifɛnw ye walasa ka sirili barikama, basigilen di sanfɛ-Load joints.
Fɛn minnu ye fɛnba ye, olu ye:
Tensile ni shear fanga ka bon .
Fatigue structurel (Sɛgɛsɛgɛli) kɛlɛli .
Mekaniki baarakɛcogo basigilen bɛ sɔrɔ batchw kɔnɔ .
Baara kɛ ni lakana ye doni kɔrɔ-Nɛgɛso lajɛlenw na .
Standard Specifications .
Fila hakɛw: 1/2" ka se 1-1/2" ma (metriki ɲɔgɔnna bɛ sɔrɔ)
Kungolo cogoya: Heavy hex head (a ka bon ni hex head standard ye ka ɲɛsin torque caya ma)
Fila suguya: UNC (coarse) walima 8-thread series ka bonya minnu ka bon walima minnu bɛ bɛn 1 ma" .
Fɛn minnu bɛ kɛ: Medium-Boli min bɛ kɛ ni karɔbɔni ye (a bɛ kɛ fɛn ye min bɛ kɛ ka a lamaga) .
Mekaniki jogo: A ka dɔgɔn ka tension fanga 120 ksi (827 MPa) ka kɛɲɛ ni 1/2" fo 1" hakɛ ye; 105 KSI (724 MPa) ka ɲɛsin 1-1/8" ka se 1-1/2" ma .
Kalanso/kalansenw bɔlenw .
ASTM A325 bɛ bɛn F1852 ma (a bɛ bɛn sariya kura ma min bɛ kɛ ka tension control bolts) baarakɛcogo la nka a tɛ kelen ye a sigicogo la.
A tɛ se ka suma ni mɛtɛrɛ hakɛw ye, nka a fanga bɛ ISO 8.8 ani 10,9 kalanw jateminɛ baara kɛrɛnkɛrɛnnenw na.
A bɛ sɔrɔ suguya fila la:
suguya 1 : nɛgɛ karɔbɔlen (min ka ca ni tɔw bɛɛ ye) .
Sugu 3nan : A bɛ kɛ ni nɛgɛ ye (ka ɲɛsin nɔgɔ bɔli ma kɛnɛma) .
Waati min na a bɛ baara kɛ ni A325 Screws vs HEX BOLTS Régulètes ye .
ASTM A325 kuruw ni hex bolt gansanw tɛ kelen ye cogo nafama saba la:
1. doni seko .
A325 sirilanw dilannen don walasa ka doni girinmanw ta ani ka u sɔgɔ.
2. Ɲɛfɔli sɛgɛsɛgɛli .
Fastener kelen-kelen bɛɛ bɛ sɛgɛsɛgɛ ka kɛɲɛ ni ASTM baarakɛcogo sariyaw ye.
3. Sow jɔli sariyaw .
A bɛ fɔ kosɛbɛ ko a bɛ kɛ ni nɛgɛ dilanni codew ye ani a ka fɛnsɛbɛnniw.
O bɛ kɛ sababu ye ka A325 kuruw kɛ yɔrɔ ye .structurel integrité ye fɛn bɛɛ lajɛlen ye .- kɛrɛnkɛrɛnnenya la ka nɛgɛ dakunw fara ɲɔgɔn kan, ka jɛgɛnsira kɔrɔlenw, walima doni sigidaw segin.
INCH & METTER Size Chart - Gafe min bɛ sugandi ka ɲɛsin sugandili ma .
Nin ye jatebɔsɛbɛn ye min bɛ kɛ ka mansamara ni jateminɛ kɛcogo dɔw fara ɲɔgɔn kan minnu bɛ kɛ ka caya A325 sirilanw na diɲɛ suguyaw la:
🔩 Diamètre & Fil
| Imperial taille . | Metriki tɔgɔlama . | Pitch de three (mm) . | Aplikasi typique . |
|---|---|---|---|
| 1/2" | M12 | 1.75 | Yeelen ka se cɛmancɛ jɔcogo ma . |
| 5/8" | M16 | 2.0 | Moyen structurel . |
| 3/4" | M20 | 2.5 | gɛlɛn structurel . |
| 7/8" | M22 | 2.5 | Extra heavy . |
📏
| Finish condition . | Janya min bɛ sɔrɔ tuma bɛɛ (inch) . | Metric equivalent (mm) . | Baarakɛcogo cogoya . |
|---|---|---|---|
| Standard sirili . | 2" | 50 | Dakun kelen bɛ fara ɲɔgɔn kan . |
| tension critical . | 3" | 75 | Web yɔrɔ minnu ka jugu . |
| gɛlɛn structurel . | 4"–6" | 100–150 | Multi-Component assemblies . |
| Laada | 8"–12" | 200–300 | Unique Engineered Requirements . |
A325 screws installer cogo min na walasa ka baara kɛcogo ɲuman sɔrɔ .
A sigicogo ɲuman A bɛ i ka ɲɔgɔndan baarakɛcogo ɲɛ:
✔ Match Bolt hakɛ ni a ka jiri bɛ se ka kɛ ni nɔnɔ ni kolifɛnw ye tigitigi .
✔ Baara kɛ ni torque baarakɛminɛnw ye minnu bɛ se ka kɛ walasa ka u yɛrɛ tanga-Tightening walima over-Tightening
✔ Aw bɛ sigiyɔrɔ ɲuman sɛgɛsɛgɛ sani aw ka doni dafalen kɛ .
✔ Baara kɛ ni anti-Rotation minɛnw ye minnu bɛ jira yɔrɔ minnu na .
Torque control ɲuman bɛ hali doni tila-tila ani ka lakana sabati structurel systems kɔnɔ.
ASTM A325 Screws vs structurels wɛrɛw .
| Suguya | A325 Vis . | Bolts hex standards . | A307 |
|---|---|---|---|
| Yield strength . | Jamanjan | Hakɛ | Fɛ́gɛn |
| ASTM sɛgɛsɛgɛli . | Laɲininnen | A ma kɛ wajibi ye . | A ma kɛ wajibi ye . |
| structurel suitabilité . | Awɔ | Limited . | Limited . |
| Performance galvanisé . | Ɲuman ɲuman | Ka bɛrɛbɛn | Faantan |
O bɛ desizɔnw dɛmɛ-Mekɛlaw bɛ sirilan ɲuman sugandi degun kɛrɛnkɛrɛnnenw ni sigida cogoya la.
Ɲininkali minnu bɛ kɛ tuma caman na .
J: Yala A325 sɛrɛw bɛ se ka baara kɛ ni bololafɛnw ye minnu bɛ kɛ ka kɛɲɛ ni sariya ye wa?
A: DƆRƆN ni jɔli de bɛ ASTM-Sɔrɔdasi fanga ɲini. Ni non-Jɛɲɔgɔnya jugu don, bolokuru basigilenw bɛ se ka bɔ.
J: Yala ninnu bɛnnen don kɛnɛma baarakɛcogo ma wa?
A: Ɔwɔ - kɛrɛnkɛrɛnnenya la ni funteni ye galɔn walima mekaniki galɔn.
J: Danfara jumɛn bɛ A325 ni A490 cɛ?
A: A490 sirilanw barika ka bon ani u bɛ kɛ cogoya la sanfɛ-Donni structurel connections kɔnɔ.
Mun na an ka A325 sirilanw sugandi .
An bɛ A325 hex kunkolo kuruw lase minnu ye:
✔ A dilannen don ni ASTM A325 ɲɛfɔli ye .
✔ A bɛ kɛ tiɲɛ ye dimension ni thread profile kɔnɔ .
✔ A bɛ sɔrɔ ni surface protection sugandicogo caman ye .
✔ Backed by Quality Inspection Reports .
✔ A dɛmɛna kosɛbɛ poroze hakɛw ni OEM wajibiyalenw na .
A kɛra bɔrɔw ye, stadiw, iziniw, walima jɔli siratigɛw, an ka sirilanw bɛ jɔ walasa ka baara kɛ.
Kuncɛli
ASTM A325 hex kunkolo kuru ye sanfɛla-Strength, Heavy-Duty Fastener ye min dilannen don nɛgɛw sirili kama. Ni a ka nafaw ye minnu bɛ kɛ ka kɛɲɛ ni sariya ye, kalasi suguya wɛrɛw (suguya 1 & suguya 3), ani fini caman, a tora jɔli ni ɛntɛrinɛti porozɛw sirilanw dɔ ye minnu bɛ se ka da u kan diɲɛ kɔnɔ. ASTM A325 Hex kunkolo kuruw ye fɛn nafamaw ye structurel engineering kɔnɔ, u nafa ka bon u fanga ni u dannaya la.
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