ASTM A106 - Seamless Carbon Steel Yeeb Nkab rau Siab -Kev Pabcuam Kub
ASTM A106 1yog covthawj tus qauvseamless carbon steel yeeb nkab siv nyob rau hauvsiab - kub thiab siab - kev pabcuam siab. Nws yog qhov ntsuas kev lag luam rau cov ntawv thov tseem ceeb hauv cov chaw tsim hluav taws xob, refineries, thiab cov txheej txheem kev lag luam.
Cov yam ntxwv tseem ceeb
| Feature | Kev piav qhia |
|---|---|
| Khoom siv | Carbon Steel(kev ua tau zoo grain) |
| Kev tsim khoom | Seamless (SMLS) nkaus xwb |
| Qib | A, B, C(Qib B feem ntau) |
| Kev siv thawj zaug | High -kub/siab cov kua xa tawm |
| Qhov kub thiab txias | Mus txog 540℃(1000℃F) |
Qib sib piv
| Qib | Yield zog (min) | Tensile zog (min) | Qhov txawv tseem ceeb |
|---|---|---|---|
| Qib A | 30,000 psi (205 MPa) | 48,000 psi (330 MPa) | Tsawg zog |
| Qib B | 35,000 psi (240 MPa) | 60,000 psi (415 MPa) | Feem ntau, tus qauv |
| Qib C | 40,000 psi (275 MPa) | 70,000 psi (485 MPa) | Lub zog siab tshaj |
Nco tseg:Txhua qib xav tauzoo grain xyaumthiabtua hlau(silicon Ntau dua lossis sib npaug li 0.10%).
Tshuaj muaj pes tsawg leeg
Qib B:
| Element | Kev sib xyaw (%) |
|---|---|
| Carbon (C), max | 0.30 |
| Manganese (Mn) | 0.29-1.06 |
| Phosphorus (P), max | 0.035 |
| Sulfur (S), max | 0.035 |
| Silicon (Si) | Ntau dua lossis sib npaug li 0.10 |
| Tshwj xeeb: | Ua los ntawm kev ua zoo grain |
Kev kho cua sov
Kev xaiv:
Kub- tiav lawm(tsis muaj kev kho cua sov tom qab)
Li qub
Normalized thiab Tempered
Annealed
Nco tseg:Txias- cov yeeb nkab kos yuav tsum tau kho cua sov tom qab qhov kawg kos txias.
Kev xeem yuav tsum tau
| Kuaj | Kev xav tau |
|---|---|
| Hydrostatic Test | Yuav tsum taurau tag nrho lub cev |
| Tensile Test | Ib qho cua sov / ntau |
| Flattening Test | Rau qhov ntau thiab tsawg tsawg dua lossis sib npaug rau NPS 2 |
| Hardness Test | Xaiv tau |
| Khoov Test | Rau qhov ntau thiab tsawg dua los yog sib npaug rau NPS 2 (yeem) |
| Kev kuaj tsis raug | Yeem xaiv (feem ntau teev) |
Hydrostatic Test Siab:
ntawv nyeem
P=2St/D los yog 1000 psi yam tsawg kawg nkaus, qhov twg yog qhov ntau dua Qhov twg: S=60% ntawm lub zog tawm los t=phab ntsa thickness D=sab nraud txoj kab uas hla
Daim ntawv thov
Primary Industries:
| Kev lag luam | Tej kev siv |
|---|---|
| Lub zog tiam | Main steam kab, feedwater kab, boiler piping |
| Roj & Roj Refineries | Cov txheej txheem piping, kab hluav taws xob, kev pabcuam hydrocarbon |
| Petrochemical | Siab - cov kab txheej txheem siab, chav faib khoom |
| Cov nroj tsuag muaj | High -kub cua sov tshuab, compressed cua |
Kev Pabcuam:
Kub:Mus txog 540℃(1000℃F)
Siab: High-pressure systems (>150 psi ib txwm)
Media:Chav, dej, roj, roj, cua
Kev sib piv tseem ceeb nrog A53
| Parameter | ASTM A106 1 | ASTM A53 |
|---|---|---|
| Kev tsim khoom | Seamless nkaus xwb | Seamless & welded |
| Kub | Siab -kub(rau 540 degree) | Txwv (~ 430℃max) |
| Chemistry Control | nruj(Si min, fine grain) | Tsawg nruj |
| Nqi | Siab dua | qis |
| Kev ntsuas siab | Siab dua | qis |
| Kev siv thawj zaug | Tseem ceeb heev -temp/pressure | Lub hom phiaj dav dav |
Kev txwv kub
Tsim txwv:
| Qhov xwm txheej | Qhov kub siab tshaj plaws |
|---|---|
| Kev Pabcuam General | Mus txog425℃(800℃F) |
| Extended Service | 425-540℃(800-1000℃F)nrog de- ntsuas |
| Tsis pom zoo | Saum toj no540℃(1000℃F) |
Vim li cas qhov txwv?Graphitization thiab oxidation ua qhov tseem ceeb tshaj 540 degree.
Qhov Loj
| Parameter | Hom kab mob |
|---|---|
| NPS | 1/8 "mus rau 48" + |
| Teem caij | 10 to XXS |
| Ntev | SRL (~6m), DRL (~12m), kev cai |
| Qhov Loj | NPS 2 "mus rau 24" |
Ordering Information
Qhov tseem ceeb Specifications:
Txheem:ASTM A106/A106M
Qib:A, B, los yog C
Loj:NPS thiab Teem caij (piv txwv li, NPS 8, Sch 40)
Ntev:SRL, DRL, los yog txiav lengths
Xaus:Plain, beveled, los yog threaded & coupled
Cov Lus Qhia Ntxiv:S1, S2, thiab lwm yam.
Common Supplementary Requirements:
S1:normalizing
S2:Tensile Tests
S4:Hydrostatic Test
S5:Charpy Impact Test
S6:Kev kuaj tsis raug
Vuam & Fabrication
Cov ntsiab lus tseem ceeb:
Preheat: Often required for thicker walls (>19 hli)
Ncej -Kev kho cua sov:Rau tej thicknesses
Filler Hlau:Feem ntau E7018 rau SMAW
Cov txheej txheem:Yuav tsum tsim nyog rau ASME Tshooj IX
Weldability:
Zoo heev(qis carbon sib npaug ~ 0.35-0.40)
Silicon cov ntsiab luskom zoo fluidity
Fine grain qauvresists HAZ tawg
Quality Assurance
Cov ntaub ntawv yuav tsum tau:
Mill Test Certificatenrog kub tooj traceability
Tshuaj ntsuam xyuasrau txhua qhov cua sov
Mechanical test results
Hydrostatic xeem siabsau tseg
Certification Options:
ASME SA106:Rau ntu I thiab VIII kev tsim kho
PED / CE cim:Rau cov lag luam European
NORSOK:Rau kev siv offshore
International sib npaug
| Thaj tsam | Standard sib npaug | Sau ntawv |
|---|---|---|
| ISO | TS EN ISO 3183 L245 | Cov khoom zoo sib xws |
| Teb chaws Europe | TS EN 10216-2 P235GH | Sib piv qhov kub thiab txias |
| Nyiv | JIS G3456 STPT370 | Zoo sib xws seamless yeeb nkab |
| Tuam Tshoj | GB/T 8163 | Ib feem sib npaug (qis temp) |
Tsim Kev Sau Ntawv
Kev ntsuas siab (ASME B31.1):
ntawv nyeem
t=(P × D) / (2 × S × E + P × Y) Qhov twg S=tso cai kev ntxhov siab los ntawm ASME Tshooj II, Ntu D
Corrosion Allowance:
Yam:3.0 hli (1/8 ")
Aggressive ib puag ncig:Tej zaum yuav xav tau ntau dua
Tsim lub neej:Feem ntau 20-30 xyoo
Kev txwv & ceeb toom
⚠️ Cov kev txwv tseem ceeb:
Tsis yog rau qis-kev pabcuam kub(siv A333 Gr.6 rau<-45°C)
Tsis yog rau cov kev pabcuam corrosivetsis muaj kev tiv thaiv corrosion zoo
Graphitization txaus ntshaisaum toj no 425℃nrog ntev - raug
Oxidation / scalingua qhov tseem ceeb tshaj 540 degree
Tsis yog rau kev pabcuam cyclictsis muaj zog tsom xam
Kev lag luam Standards Reference
| Daim ntawv thov | Txoj Cai Tswjfwm |
|---|---|
| Fais fab nroj tsuag | ASME B31.1 - Fais Fab Piping |
| Refineries | ASME B31.3 - Txheej Txheem Piping |
| Boiler External Piping | ASME Tshooj I |
| Lub nkoj siab | ASME Section VIII |
Kev xav txog nyiaj txiag
Cov Nqi Them Nqi:
Hwm tshaj A53:20-40% feem ntau
Qib B vs Qib A:5-10% siab dua
Qib C vs Qib B:10-15% siab dua
Value justification:Kev ntseeg tau ntawm qhov kub thiab txias
Cov txiaj ntsig ntawm lub neej:
Pov thawj ntseeghauv kev pabcuam tseem ceeb
Txo kev txij nkawmthiab downtime
Kev ua raws cairau siab -kev siv kub
Kev lees txais thoob ntiaj tebthiab interchangeability
Kev txhim kho tsis ntev los no
A106 Hloov tshiab:
Tseeb version: A106/A106M-19a
Txhim kho traceabilitykev xav tau
Txhim kho kev simkev cai
Cov ntaub ntawv digitalkev xaiv
Kev lag luam Trends:
Kev siv ntau ntxivnyob rau hauv renewable zog tej yaam num
Kub siab duakev siv nrog kev txhim kho steels
Txhim kho corrosion kujversions tsim
Hauv cov ntsiab lus:ASTM A106 yogkub txheem seamless carbon steel yeeb nkabhauv siab -kev pabcuam kub, muabpov thawj kev ntseeg siab, kev ua raws cai, thiab kev lees paub thoob ntiaj tebrau kev siv tseem ceeb hauv kev lag luam. NwsKev xyaum ua kom zoo, tua hlau, thiab yuav tsum tau kuajxyuas kom muaj kev ua tau zoo nyob qhov twg kev nyab xeeb thiab kev ntseeg siab yog qhov tseem ceeb.
