Rau cov kws tshaj lij kev lag luam, pab pawg muag khoom, thiab B2B cov neeg yuav khoom, muaj tseebphab ntsa thickness thiab kam rau ua ntaub ntawvrau a3-nti ASTM A312 stainless hlau yeeb nkabyog qhov tseem ceeb raupiping tsim, vuam, thiab fabrication. Phau ntawv qhia no muab ibprofessional reference tablenpogcov txheej txheem yeeb nkab.
Txheej txheem cej luam ntawm ASTM A312 Pipes
ASTM A 312 Cov Lus Qhiaqhia cov kev cai rauseamless, welded, thiab txias - ua haujlwm welded stainless hlau kav.
Qib khoomQauv: TP304, TP304L, TP316, TP316L, TP321
Daim ntawv thov: Kev ua tshuaj lom neeg, khoom noj khoom haus & dej haus, kev kho dej, petrochemical, marine industries
Qhov tseem ceeb ntawm phab ntsa kam rau ua: Xyuas kom meejmechanical kev ncaj ncees, tsim nyoghaum rau flanges / fittings, thiabua raws li kev ntsuas siab
3-Inch Stainless Hlau Yeeb Nkab Phab Ntsa Thickness Table
| Cov Txheej Txheem Yeeb Nkab | Nominal Phab Ntsa Thickness (mm) | Kev kam rau siab (+/- mm) | Phab ntsa Thickness (inch) | Kev kam rau siab (inch) |
|---|---|---|---|---|
| SCH 5 S | 2.77 | ±0.13 | 0.109 | ±0.005 |
| SCH 10 S | 3.05 | ±0.13 | 0.120 | ±0.005 |
| SCH 20 S | 3.91 | ±0.15 | 0.154 | ±0.006 |
| SCH 40 S | 5.49 | ±0.18 | 0.216 | ±0.007 |
| SCH 80 S | 8.56 | ±0.20 | 0.337 | ±0.008 |
| SCH 160 S | 13.5 | ±0.25 | 0.531 | ±0.010 |
Nco tseg:
Tolerances yog nyob ntawmASTM A 312 / ASME B36.19Mspecifications.
Phab ntsa thickness suav nrogseam reinforcement rau welded kav, yog muaj.
SCH 5S, 10S, 20S, 40S, 80S, thiab 160S yogcov sij hawm sib xwssiv nyob rau hauv industrial piping.
Qhov tseem ceeb ntawm phab ntsa Thickness kam rau ua
Siab ntsuas qhov tseeb: MAWP xam nyob ntawmyam tsawg kawg nkaus phab ntsa thickness.
Fabrication Fit: Ua kom muaj kev sib raug zoo nrogfittings, flanges, thiab li qub.
Kev ntseeg ruaj khov: thinner- dua - cov phab ntsa tshwj xeeb tuaj yeem cuam tshuammechanical zog.
Ua raws: KhawsASTM thiab ASME code ua rawsrau industrial tej yaam num.
Yuav Siv Lub Rooj
Xaiv lub sijhawm kav dejraws lisiab thiab corrosion yuav tsum.
Xyuas phab ntsa thicknesstawm tsam lub rooj kom paub meejtsim kev nyab xeeb.
Thov zam tximthaum kuajraws li -tsim yeeb nkab thickness.
Siv hauv kev suavrauqhov hnyav ib 'meter', kev ntsuas siab, thiab cov khoom siv thauj khoom.
FAQ
1. Dab tsi yog phab ntsa tuab ntawm 3-nti ASTM A312 yeeb nkab?
Phab ntsa thickness nyob ntawm qhovcev teem:
SCH 5S: 2.77 hli
SCH 10S: 3.05 hli
SCH 20S: 3.91 hli
SCH 40S: 5.49 hli
SCH 80S: 8.56 hli
SCH 160S: 13.5 hli
2. Dab tsi yog qhov kam rau ua rau 3-inch stainless hlau yeeb nkab phab ntsa?
Tolerances txawv raws li lub sij hawm, piv txwv li:
SCH 5S-10S: ± 0.13 hli
SCH 20S: ± 0.15 hli
SCH 40S: ± 0.18 hli
SCH 80S: ± 0.20 hli
SCH 160S: ± 0.25 hli
Cov kam rau ua raws liASTM A 312 / ASME B36.19Mqauv.
3. Vim li cas cov phab ntsa thickness tseem ceeb rau cov kav hlau stainless?
Phab ntsa thickness txiav txim siab:
Lub peev xwm siab(MAWP)
Cov qauv kev ncaj ncees
Compatibility nrog flanges thiab fittings
Ua raws li cov cai ntawm kev lag luam
4. Puas yog phab ntsa thickness cuam tshuam cov yeeb nkab hnyav?
Yog lawm. Phab ntsa tuabnce qhov hnyav ib 'meter', uas cuam tshuamshipping, tuav, thiab kev txhawb nqa.
5. Puas yog SCH 80 cov kav dej tuab dua SCH 40?
Yog lawm.SCH 80 cov kav dej muaj cov phab ntsa tuab dua li SCH 40, tso cai rausiab dua thiab ntsuas kub.
6. Kuv puas tuaj yeem siv cov yeeb nkab thinner dua li nominal phab ntsa thickness?
Tsis yog. Siv cov yeeb nkab nyias dua li tau teev tsegtxo qhov ntsuas siab thiab kev nyab xeeb ntawm kev siv tshuabthiab tej zaum yuav ua txhaumASTM lossis ASME cov qauv.
7. Puas yog cov kav dej welded muaj tib lub phab ntsa tuab li seamless kav?
Welded kav suav nrogseam reinforcement, yog li qhov zoo ntawm phab ntsa thickness yog me ntsis siab dua. Nco ntsoov xyuas cov chaw tsim khoomraws li - ua qhov loj me.
8. Yuav ua li cas kam rau siab rau hauv engineering tsim?
Covyam tsawg kawg nkaus phab ntsa thicknesstom qab kam rau ua yog siv los xam:
Maximum tso cai ua hauj lwm siab (MAWP)
Cov yeeb nkab hnyav ib 'meter'
Cov kev xav tau kev txhawb nqa
9. Puas yog phab ntsa tuab tib yam rau txhua qib stainless hlau?
Phab ntsa thickness yog txhais los ntawmcev teem, yog li nws yog tib yam thoob plaws qib (TP304, TP304L, TP316, TP316L) rau ASTM A312. Txawm li cas los xij,kev ntsuas siab yuav txawvme ntsis vim cov khoom siv zog.
10. Kuv yuav xaiv lub sijhawm zoo rau kuv daim ntawv thov li cas?
Xav txog:
Kev khiav hauj lwm siab thiab kub
Corrosion ib puag ncig
Qhov hnyav thiab tus nqi
Kev lag luam code yuav tsum tau
Rau siab dua tshuab,SCH 80 los yog SCH 160pom zoo; rau qis qis,SCH 10S – SCH 40Smuaj ntau.
11. Kuv puas tuaj yeem xam qhov hnyav ib 'meter' los ntawm phab ntsa thickness?
Yog lawm. Siv tus qauv:
Qhov hnyav ib ' meter ' × (OD-t) × tWeight\\ per\\ meter=0.02466 \\times (OD - t) \\times tWeight ib ' meter =0.02466 × (OD-t) × t
Los yog xa mus raucov kab kos kab kosrau kev siv ceev.
12. Vim li cas phab ntsa thickness kam rau ua qhov tseem ceeb rau B2B cov neeg yuav khoom?
Tolerances xyuas kom meejcompatibility nrog fittings, txo fabrication yuam kev, thiablav ua rawsrau loj industrial tej yaam num.
13. Puas yog SCH 160 yeeb nkab muaj kev kam rau siab dua SCH 40?
Yog lawm. Phab ntsa tuab feem ntau muajloj dua qhov kam rau ua, piv txwv li, ± 0.25 hli rau SCH 160 piv rau ± 0.18 hli rau SCH 40.
14. Puas yog phab ntsa thickness kam rau ua tib yam thoob ntiaj teb?
Yog lawm,ASTM A 312 / ASME B36.19Mtau lees paub thoob ntiaj teb, tab sis ib txwm lees paubLocal code los yog project specifications.
15. Kuv puas tuaj yeem siv 3-inch TP304 kav dej rau cov kab hluav taws xob siab?
Yog, muab covschedule and MAWPntsib covsiab thiab kub xav tau. Rau cov kua dej corrosive heev, xav txogTP316 los yog TP316L.
16. Kuv tuaj yeem tshawb xyuas cov phab ntsa tuab hauv daim teb li cas?
SivKev kuaj ultrasonic (UT)los yogmicrometer ntsuastxhawm rau txheeb xyuas cov phab ntsa thickness thiab xyuas kom nws ua tau rawsASTM kam rau ua.
17. Puas yog qhov kub thiab txias cuam tshuam rau phab ntsa thickness lossis kam rau ua?
Tsis yog, lublub cev phab ntsa thicknesstsis hloov, tab siskev ntsuas siabyuav tsum tau derated rau siab dua kub.
18. SCH 40S thiab SCH 40 yog dab tsi?
SCH 40S yog tusstainless hlau teem caij, sib txawv me ntsis nyob rau hauv tolerances los ntawm SCH 40 (carbon steel), raws li tau hais tseg nyob rau hauvASME B36.19M.
19. Kuv puas tuaj yeem siv daim duab phab ntsa thickness rau kev suav cov yeeb nkab?
Yog lawm. Daim duab qhianominal thickness thiab kam rau ua, uas yog qhov tseem ceeb raukev ntsuas siab, kev txheeb xyuas cov qauv, thiab kev kwv yees tus nqi.
20. Kuv tuaj yeem nrhiav tau daim ntawv qhia tag nrho cov phab ntsa thickness & kam rau ua rau txhua qhov ntau thiab tsawg?
Cov neeg tsim khoom thiab ASTM cov qauv muabTag nrho cov lus los ntawm 1/8 "mus rau 24" nominal yeeb nkab ntau thiab tsawg, suav nrogphab ntsa thickness, kam rau ua, thiab teem caij, uas yog qhov tseem ceeb rauengineering, kev yuav khoom, thiab B2B catalogs.
