ASTM A106 thiab ASTM A53 yog dav siv los ua cov qauv siv rau kev tsim cov pa roj carbon steel yeeb nkab.
Txawm hais tias ASTM A53 thiab ASTM A106 steel tubing tuaj yeem hloov pauv tau hauv qee qhov kev siv hauv kev lag luam, lawv cov khoom muaj feem ua rau kev xaiv zoo ntawm cov qauv tubing tshwj xeeb yog qhov tseem ceeb hauv qee qhov chaw thiab tej yam kev mob.
Navigation Khawm
Hom yeeb nkab
ASTM A53 steel yeeb nkab muaj ob qho tib si welded thiab seamless steel yeeb nkab.
ASTM A106 npog tsuas yog seamless steel yeeb nkab.
| Txuj | Scope | Hom | Qib | |
| ASTM A106: Seamless Carbon Steel Pipe rau Kev Pabcuam Kub Kub | NPS 1/8 - 48 nyob rau hauv (DN 6 - 1200mm) | Seamless Carbon Steel Yeeb Nkab | A, B, thiab C | |
| ASTM A53: Dub thiab Kub-dipped, Zinc-Coated, Welded thiab Seamless | NPS 1/8 - 26 nyob rau hauv (DN 6 -650mm) | hom S: Seamless | A thiab B | |
| Hom F: Rauv-taub qab-welded, nruam welded | A thiab B | |||
| hom E: Hluav taws xob tiv taus-welded | A thiab B | |||
| Nco tseg: Ob qho qauv tso cai rau kev muab cov yeeb nkab nrog rau lwm qhov ntev raws li nws ua tau raws li tag nrho lwm cov cai ntawm txoj cai. | ||||
Kev kho cua sov yuav tsum
ASTM A106 1
Yuav tsum tau kho cua sov, feem ntau los ntawm normalizing (ib txheej txheem ntawm cua sov saum toj no qhov tseem ceeb kub thiab ces txias mus rau ib tug nruab nrab kub).
Kub dov yeeb nkab: tsis xav tau kev kho cua sov.Thaum cov yeeb nkab kub kub tau kho cua sov, nws yuav tsum tau kho cua sov ntawm 1200 ° F [650 ° C] lossis siab dua.
Cold-drawn yeeb nkab: yuav tsum tau kho cua sov ntawm 1200 ° F [650 ° C] lossis siab dua tom qab cov txheej txheem kos duab txias kawg.
ASTM A53
Hom E, Qib B, thiab Hom F, Qib B: yuav tsum tau kho kom sov tom qab vuam kom tsawg kawg yog 1000 ° F [540 ° C] kom tsis muaj martensite tsis muaj, lossis lwm yam kho kom tsis muaj martensite tsis muaj nyob.
Hom S: Kev kho cua sov tsis tas yuav tsum muaj rau cov yeeb nkab seamless.
Chemical Cheebtsam
Thaum soj ntsuam cov tshuaj muaj pes tsawg leeg ntawm ASTM A53 thiab ASTM A106 tubing, ntau qhov sib txawv tseem ceeb tuaj yeem raug sau tseg.ASTM A106 qhia txog cov ntsiab lus ntawm silicon (Si) tsis tsawg dua 0.10%, uas ua rau nws qhov kev ua tau zoo ntawm qhov kub siab, ua rau nws tsim tshwj xeeb rau kev siv nyob rau hauv qhov kub thiab txias ib puag ncig xws li cov hauv kev lag luam petrochemical thiab chav sib kis.
Rau cov pa roj carbon (C) cov ntsiab lus, ASTM A53 tus qauv qhia qhov qis qis qis, tshwj xeeb tshaj yog rau qib A thiab B rau Hom S thiab Hom E. Qhov no ua rau Hom A53 cov raj zoo dua rau vuam thiab ua haujlwm txias thiab yog li feem ntau siv hauv kev tsim kho thiab cov kua dej. kev thauj mus los, xws li cov kav dej thiab cov kav dej.
Nyob rau hauv cov ntsiab lus ntawm manganese (Mn) cov ntsiab lus, ASTM A106 muab ntau yam rau Qib B thiab C, uas tso cai rau kom muaj zog ntxiv hauv cov txheej txheem tsim khoom thaum txhim kho lub zog.A53 yeeb nkab, ntawm qhov tod tes, tsuas yog txwv rau qhov txwv nruj dua rau cov ntsiab lus manganese, uas ua rau muaj kev ruaj ntseg thaum vuam.
Mechanical Properties
| Kev sib xyaw | Kev faib tawm | Qib A | Qib B | Qib C | ||
| A106 | A53 | A106 | A53 | A106 | ||
| Tensile zog min | psi | 48,000 ib | 48,000 ib | 60,000 | 60,000 | 70,000 |
| MPa | 330 | 330 | 415 | 415 | 485 ib | |
| Yield zog min | psi | 30,000 | 30,000 | 35,000 | 35,000 | 40,000 |
| MPa | 205 | 205 | 240 | 240 | 275 | |
ASTM A106 Qib A thiab Qib B muaj cov kev xav tau zoo ib yam li ASTM A53 Qib A thiab Qib B hais txog lub zog tawm los thiab lub zog tensile.
Txawm li cas los xij, ASTM A106 Qib C tau teeb tsa lub bar siab dua, txhais tau tias nws muaj kev ua tau zoo dua nyob rau hauv kev ua haujlwm hnyav dua, xws li siab dua lossis kub.
Cov khoom siv kho tshuab ntxiv no ua rau Qib C zoo dua rau kev siv tshwj xeeb hauv kev lag luam uas xav tau cov khoom siv nrog kev thauj khoom zoo dua thiab ua haujlwm ntev.
Dimensional Tolerances
ASTM A106 Cov Lus Qhia Tshwj Xeeb rau Dimensional Tolerances
| Sau npe | Scope | Nco tseg | |
| Pawg | 96.5% -110% | Tshwj tsis yog tias muaj kev pom zoo los ntawm cov chaw tsim khoom thiab cov neeg yuav khoom, cov yeeb nkab hauv NPS 4 [DN 100] thiab me me yuav raug hnyav rau ntau yam yooj yim;cov yeeb nkab loj dua NPS 4 (DN 100] yuav tsum tau ntsuas nyias. | |
| Txoj kab uas hla (inch loj dua 10in (DN250)) | ± 1% | Txoj kab uas hla-Tshwj tsis yog muab rau nyias-phab ntsa yeeb nkab hauv nqe 12.2 ntawm Specification A530/A530M, qhov kam rau ua rau txoj kab uas hla yuav tsum ua raws li hauv qab no: | |
| Sab hauv (Inner diameter loj dua 10in (DN250)) | ± 1% | ||
| Thickness | qis tshaj 87.5% | —— | |
| Ntev | Ib leeg random lengths | yuav tsum yog 16 mus rau 22 ft (4.8 mus rau 6.7 m) ntev, tshwj tsis yog tias 5% yuav tsum tau tso cai tsawg dua 16 ft (4.8 m) thiab tsis muaj tsawg dua 12 ft (3.7 m). | —— |
| Muab ob npaug rau random lengths | yuav tsum muaj yam tsawg kawg nkaus Qhov nruab nrab ntev ntawm 35 ft (10.7 m) thiab yuav tsum muaj qhov ntev tsawg kawg nkaus ntawm 22 ft (6.7 m), tshwj tsis yog tias 5% yuav tsum tau tso cai tsawg dua 22 ft (6.7 m) thiab tsis muaj qhov tsawg dua 16 ft ( 4.8 m). | —— | |
ASTM A53 Cov Lus Qhia Tshwj Xeeb rau Dimensional Tolerances
| Sau npe | xaiv | thaj tsam |
| Pawg | Theoretical nyhav = ntev x teev qhov hnyav (raws li qhov yuav tsum tau muaj hauv cov lus 2.2 thiab 2.3) | ± 10% |
| Txoj kab uas hla | DN 40mm [NPS 1/2] los yog me dua | ± 0.4 hli |
| DN 50mm [NPS 2] lossis loj dua | ± 1% | |
| Thickness | Qhov tsawg kawg nkaus phab ntsa thickness yuav tsum ua raws li Table X2.4 | qis tshaj 87.5% |
| Ntev | sib dua li ntxiv-muaj zog (XS) hnyav | 4.88m-6.71m ib (tsis ntau tshaj 5% ntawm tag nrho tus naj npawb ntawm threaded lengths furnished yog jointers (ob daim ua ke ua ke)) |
| sib dua li ntxiv-muaj zog (XS) hnyav (pib kawg) | 3.66m-4.88m ib (Tsis pub tshaj 5% ntawm tag nrho tus lej) | |
| XS, XXS, los yog phab ntsa tuab | 3.66m-6.71m ib (tsis ntau tshaj 5% tag nrho cov yeeb nkab 1.83m-3.66m) | |
| sib dua li ntxiv-muaj zog (XS) hnyav (ob npaug-random lengths) | ≥ 6.71 m (Qhov nruab nrab qhov nruab nrab ntev yog 10.67m) |
Daim ntawv thov
Cov qauv tsim thiab tsim khoom yuav tsum tau ua rau ASTM A53 thiab ASTM A106 steel yeeb nkab cuam tshuam txog lawv cov xwm txheej tshwj xeeb thov.
ASTM A53 steel yeeb nkabfeem ntau yog siv rau hauv lub tsev thiab cov cuab yeej siv tshuab thiab hauv qhov chaw tsis tshua muaj siab rau kev thauj mus los ntawm cov kua lossis roj, xws li cov dej hauv nroog thiab cov khoom siv roj ntsha.
ASTM A106 steel rajFeem ntau yog siv rau hauv cov ntawv thov raug rau qhov kub thiab txias ib puag ncig, xws li hauv boilers hauv petrochemical cov nroj tsuag thiab cov chaw nres tsheb fais fab kom thauj cov cua kub los yog cov roj thermal.Qhov siab dua tensile thiab cov txiaj ntsig muaj zog lawv muab kev ua haujlwm zoo thiab ua haujlwm ntev raws li qhov xav tau, tshwj xeeb tshaj yog rau A106 Qib C steel hlab, uas muab kev nyab xeeb dua nyob rau hauv qhov kub thiab txias ib puag ncig.
Yog tias koj xav paub ntau ntxiv txog ASTM A106 thiab ASTM A53, thov nyem qhov no.
Txog Peb
Botop Steel tau ua tus kws tshaj lij Welded Carbon Steel Pipe chaw tsim tshuaj paus thiab cov muag khoom nyob rau hauv Suav teb rau 16 xyoo, nrog ntau tshaj 8000 tons ntawm Seamless Steel Pipe nyob rau hauv Tshuag txhua lub hlis.Peb muab kev tshaj lij thiab kev pabcuam zoo rau koj.
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Lub sij hawm xa tuaj: Mar-16-2024