ASTM A325 Structural Hex Head Screws for Heavy{1}}Duty Steel Connections
s: M'lifupi kudutsa ma flats a mutu wa hexagonal
k: Kutalika kwa mutu wa makona atatu
ds: Shank diameter
d: Kutalika kwa ulusi
L: Utali
ASTM A325 ndi mawonekedwe a magwiridwe antchito omwe amatanthawuza kapangidwe kake, mawonekedwe amakina, ndi zofunikira pamiyeso ya zomangira zazikulu za hex mutu.
Zomangira za A325 nthawi zambiri zimayikidwa ndi mtedza ndi zochapira kuti zizitha kumangirira mwamphamvu-zolumikizana kwambiri.
Makhalidwe akuluakulu ndi awa:
Kuthamanga kwambiri komanso mphamvu yakumeta ubweya
Kukana kutopa kwachipangidwe
Kugwira ntchito kwamakina mosasinthasintha m'magulumagulu
Kugwiritsa ntchito motetezeka pa katundu wovuta kwambiri-zokhala ndi zitsulo
Mafotokozedwe Okhazikika
Kukula kwa ulusi: 1/2" mpaka 1-1/2" (zofanana ndi metric zilipo)
Kalembedwe kamutu: Mutu wolemera wa hex (wokulirapo kuposa mitu wamba ya hex pakuwonjezeka kwa torque)
Mtundu wa ulusi: UNC (yowoneka) kapena mindandanda ya 8-mizere yokulirapo kuposa kapena yofanana ndi 1"
Zida: Chitsulo chapakati-cha carbon (chozimitsidwa ndi kupsya mtima)
Mphamvu zamakina: Mphamvu zochepera 120 ksi (827 MPa) za 1/2 "mpaka 1" makulidwe; 105 ksi (724 MPa) kwa 1-1/8" mpaka 1-1/2" makulidwe
Magiredi/Class Equivalent
ASTM A325 ndi yofanana ndi F1852 (muyezo waposachedwa kwambiri wamaboliti owongolera kupsinjika) pakuchita koma umasiyana munjira yoyika.
Osafanana mwachindunji ndi ma metric giredi, koma mphamvu yake imafanana ndi makalasi a ISO 8.8 ndi 10.9 pamapulogalamu apadera.
Amapezeka m'mitundu iwiri:
Mtundu 1: Chitsulo cha carbon (chofala kwambiri)
Mtundu 3: Chitsulo chanyengo (cha kukana dzimbiri mu ntchito zakunja)
Nthawi Yomwe Mungagwiritsire Ntchito A325 Screws vs Regular Hex Bolts
Zomangira za ASTM A325 zimasiyana ndi mabawuti wamba a hex m'njira zitatu zofunika:
1. Katundu Kuthekera
Zomangira za A325 zidapangidwa kuti zizinyamula katundu wokwera kwambiri komanso wometa ubweya.
2. Kuyesa Kwatsatanetsatane
Chomangira chilichonse chimatsimikiziridwa motsutsana ndi machitidwe a ASTM.
3. Miyezo Yomangamanga
Amatchulidwa kwambiri muzitsulo zamapangidwe azitsulo ndi mafotokozedwe a uinjiniya.
Izi zimapangitsa zomangira za A325 kukhala zabwinokokukhulupirika kwapangidwe ndikofunikira- makamaka pakujowina zigawo zazikulu zazitsulo, zolumikizirana ndi zovuta kwambiri, kapena malo ochulukirachulukira.
Tchati cha Inchi & Metric Size - Maupangiri pakusankha
Pansipa pali tchati chothandiza chophatikiza miyeso yachifumu ndi metric yomwe imagwiritsidwa ntchito kwambiri pazomangira za A325 m'misika yapadziko lonse lapansi:
🔩 Diameter & Thread Pitch
| Kukula kwa Imperial | Nominal Metric | Kutalika kwa ulusi (mm) | Kugwiritsa Ntchito |
|---|---|---|---|
| 1/2" | M12 | 1.75 | Kuwala mpaka kwapakati |
| 5/8" | M16 | 2.0 | Zomangika zapakatikati |
| 3/4" | M20 | 2.5 | Kapangidwe kolemera |
| 7/8" | M22 | 2.5 | Chitsulo cholemera kwambiri |
📏 Malangizo Autali
| Malizitsani Mkhalidwe | Utali Wofanana (Inchi) | Metric Yofanana (mm) | Kugwiritsa Ntchito Mwachizolowezi |
|---|---|---|---|
| Kumanga kwa Standard | 2" | 50 | Single gawo akujowina |
| Kuvuta Kwambiri | 3" | 75 | Zigawo za ukonde zachitsulo chakuya |
| Zolemera Zapangidwe | 4"–6" | 100–150 | Misonkhano-yochuluka |
| Mwambo | 8"–12" | 200–300 | Zofunikira zapadera zopangidwa |
Momwe mungayikitsire ma A325 Screws kuti Muzichita Bwino Kwambiri
Kuyika kolondola kumakulitsa moyo wogwira ntchito pa intaneti yanu:
✔ Fananizani kukula kwa bawuti ndi ulusi wofanana ndendende ndi mtedza ndi ma wacha
✔ Gwiritsani ntchito zida za torque kuti mupewe-kumizidwa kapena kupitirira{1}}
✔ Tsimikizirani malo okhala bwino musanalembe ntchito zonse
✔ Gwiritsani ntchito zida zolepheretsa-zida zozungulira pomwe kugwedezeka kumayembekezeredwa
Kuwongolera koyenera kwa torque kumatsimikizira kugawa katundu ndikuwongolera chitetezo pamakina omangika.
ASTM A325 Screws vs Zomangira Zina
| Mbali | Zithunzi za A325 | Maboti a Standard Hex | A307 |
|---|---|---|---|
| Zokolola Mphamvu | Wapamwamba | Wapakati | Zochepa |
| Kuyesa kwa ASTM | Chofunikira | Osafunikira | Osafunikira |
| Kukwanira Kwamapangidwe | Inde | Zochepa | Zochepa |
| Magwiridwe Amphamvu | Zabwino kwambiri | Wapakati | Osauka |
Izi zimathandiza-opanga zisankho kuti asankhe chomangira choyenera cha kupsinjika ndi momwe chilengedwe chilili.
Mafunso Ofunsidwa Kawirikawiri
Q: Kodi zomangira za A325 zitha kugwiritsidwa ntchito m'malo mwa mabawuti wamba?
Yankho: Pokhapokha ngati mapangidwe amafunikira ASTM-yamphamvu yovotera. Pamalumikizidwe osafunikira-, mabawuti amatha kukhala okwanira.
Q: Kodi izi ndizoyenera kugwiritsidwa ntchito panja?
A: Inde - makamaka ndi malati a dip otentha kapena malata amakina.
Q: Kodi pali kusiyana kotani pakati pa A325 ndi A490?
A: Zomangira za A490 ndizolimba ndipo nthawi zambiri zimagwiritsidwa ntchito-pamalo olumikizirana kwambiri.
Chifukwa Chosankha Zomangira Zathu za A325
Timapereka zomangira zamutu za A325 hex zomwe ndi:
✔ Amapangidwa ku ASTM A325
✔ Zolondola mu kukula ndi mbiri ya ulusi
✔ Imapezeka ndi njira zingapo zotetezera pamwamba
✔ Mothandizidwa ndi malipoti oyendera bwino
✔ Amathandizidwa mokwanira ndi kuchuluka kwa projekiti ndi zofunikira za OEM
Kaya ndi milatho, masitediyamu, mafakitale ogulitsa mafakitale, kapena zomangira, zomangira zathu zimapangidwira kuti zizigwira ntchito.
Mapeto
ASTM A325 Hex Head Screw ndi chomangira champhamvu-champhamvu, cholemetsa-chopangidwa kuti chizitha kulumikizana ndi zitsulo. Ndi katundu wake wokhazikika, magiredi osiyanasiyana (Mtundu 1 & Type 3), komanso kumaliza kangapo, imakhalabe imodzi mwazomangamanga zodalirika zama projekiti omanga ndi uinjiniya padziko lonse lapansi. ASTM A325 Hex Head Screws ndi zida zofunika kwambiri paukadaulo wamapangidwe, zomwe zimayamikiridwa chifukwa champhamvu komanso kudalirika kwawo.
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