ASTM A307 Qib B Hnyav Hex Cap Screws
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ASTM A307 Qib B Hnyav Hex Bolts Heavy Hex Cap Screws Standard: ASME B18.2.1 (Ntau hom kev teeb tsa kuj muaj) Xov Loj: 1/4 "-4" nrog ntau qhov ntev Qib: ASTM A307 Qib B tiav: Dub Oxide, Zinc Plated, Kub Dip Galvanized, Dacromet, thiab lwm yam Packing: Bulk txog 25 kgs txhua lub thawv, 36 cartons txhua pallet Advantage: Kev Tswjhwm Zoo thiab nruj nruj, sib tw nqi, xa sijhawm; Kev Pabcuam Kev Pabcuam, Supply Test Reports Thov koj xav tiv tauj peb rau mo ...
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ASTM A307 Qib B HnyavHex BoltsHeavy Hex Cap Screws
Txuj: ASME B18.2.1
(Ntau hom kev teeb tsa kuj muaj)
Xov Loj: 1/4 "-4" nrog ntau qhov ntev
Qib: ASTM A307 Qib B
Nto: Dub Oxide, Zinc Plated, Kub Dip Galvanized, Dacromet, thiab lwm yam
Ntim: Tej yam li 25 kgs txhua lub thawv, 36 cartons txhua pallet
Advantage: Kev Tswjhwm Zoo thiab nruj nruj, Tus nqi sib tw, xa khoom raws sijhawm; Kev them nyiaj yug Technical, Supply Test Reports
Thov koj xav tiv tauj peb kom paub meej ntxiv.
ASTM A 307 Cov khoom siv raw khoom
ASTM A307 specification npog carbon steel bolts thiab studs xws li 1/4 "mus txog 4" txoj kab uas hla. Qhov no yog koj txhua hnub, khiav ntawm zeb ntsia liaj qhov rooj specification feem ntau tsim siv A36 round bar. Muaj peb qib A, B, thiab C * uas qhia txog lub zog tensile, kev teeb tsa, thiab daim ntawv thov. Xa mus rau Mechanical Properties Chart rau qhov sib txawv ntawm lub zog me me hauv txhua qib.
A307 Qib
| A | Headed bolts, threaded rods thiab bent bolts npaj rau kev siv dav dav. |
|---|---|
| B | Hnyav hex bolts thiab studs npaj rau flanged pob qij txha nyob rau hauv piping systems nrog cam khwb cia hlau flanges. |
| C* | Nonheaded thauj tog rau nkoj bolts, tog twg los khoov los yog ncaj, npaj rau cov txheej txheem thauj tog rau nkoj. Qhov kawg ntawm qib C thauj tog rau nkoj bolt npaj los ntawm cov pob zeb yuav raug pleev xim ntsuab rau kev txheeb xyuas lub hom phiaj. Kev cim tas mus li yog ib qho kev xav tau ntxiv. *Raws li lub Yim Hli 2007, qib C tau hloov los ntawm kev qhia tshwj xeeb F1554 qib 36. Peb yuav muab qib C txuas ntxiv, yog tias xav tau los ntawm qhov project. |
A307 Mechanical Properties
| Qib | Tensile, ksi | Yield, min, ksi | Ntev %, min |
|---|---|---|---|
| A | 60 feeb | - | 18 |
| B | 60-100 | - | 18 |
| C* | 58–80 : kuv | 36 | 23 |
A307 Cov Khoom Siv Tshuaj
| Element | Qib A | Qib B |
|---|---|---|
| Cov pa roj carbon, max | 0.29% | 0.29% |
| Manganese, max | 1.20% | 1.20% |
| Phosphorus, max | 0.04% | 0.04% |
| Sulfur, max | 0.15% | 0.05% |
A307 Pom zoo Kho vajtse
| Txiv ntseej | Cov ntxhua khaub ncaws | ||
|---|---|---|---|
| A307 Qib A & C * | A307 Qib B | ||
| 1/4 – 1 – 1/2 | 1-5/8-4 | 1/4 – 4 | |
| A563A Hx | A563A Hnyav Hex | A563A Hnyav Hex | f844 ua |
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