"Kev ua siab dawb siab zoo, kev tsim kho tshiab, kev ua kom nruj, thiab kev ua haujlwm zoo" tej zaum yuav yog lub tswv yim ruaj khov ntawm peb lub koom haum rau lub sijhawm ntev ntawd los tsim kom muaj kev sib koom tes nrog cov neeg siv khoom rau kev sib pab thiab kev sib pab rau Cov Chaw Tsim Khoom Ua Lag Luam rau 219-2020 hli Loj Loj Kauv Welded Dub Carbon Steel Yeeb Nkab SSAW, Peb vam tias yuav tsim kom muaj kev sib raug zoo nrog koj yav tom ntej. Peb yuav qhia rau koj paub txog peb txoj kev vam meej thiab tos ntsoov yuav tsim kev sib raug zoo ua lag luam nrog koj.
"Kev Ncaj Ncees, Kev Tsim Kho Tshiab, Kev Ua Raws Cai, thiab Kev Ua Haujlwm Zoo" tej zaum yuav yog lub tswv yim ruaj khov ntawm peb lub koom haum rau lub sijhawm ntev los tsim ua ke nrog cov neeg siv khoom rau kev sib pab thiab kev sib pab rauTuam Tshoj Carbon Welded Steel Yeeb Nkab thiab Mild Steel SSAW Yeeb Nkab, Txhawm rau kom ua tus thawj coj hauv peb txoj haujlwm, peb yeej tsis tso tseg kev sib tw qhov kev txwv hauv txhua yam los tsim cov kev daws teeb meem zoo tshaj plaws. Hauv nws txoj kev, Peb tuaj yeem nplua nuj peb txoj kev ua neej thiab txhawb kom muaj ib puag ncig zoo dua rau lub zej zog thoob ntiaj teb.
Los ntawm cov txheej txheem fusion welded.
Kev Tsim Khoom:Cov yeeb nkab carbon SSAW.
Loj:OD: 219 ~ 2500 hli WT: 6 ~ 30 hli.
Qib:Qib 1, Qib 2, Qib 3.
Ntev:6M lossis qhov ntev teev tseg raws li xav tau.
Xaus:Xaus tiaj tiaj, Xaus Beveled.
Cov hlau yuav tsum muaj tsis pub ntau tshaj 0.050% phosphorous.
| Cov Kev Xav Tau Tensile | |||
| Qib 1 | Qib 2 | Qib 3 | |
| Lub zog tensile, min, psi (MPa) | 50 000 (345) | 60 000 (415) | 66 000 (455) |
| Cov ntsiab lus tawm los yog lub zog tawm los, min, psi (MPa) | 30 000 (205) | 35 000 (240) | 45 000 (310) |
| Qhov tsawg kawg nkaus elongation rau nominal phab ntsa thicknesses %6 nti (7.9 hli) lossis ntau dua: | |||
| Kev ntev hauv 8 nti (203.2 hli), feeb, % | 18 | 14 | ... |
| Kev ntev hauv 2 nti (50.8 hli), feeb, % | 30 | 25 | 20 |
| Rau cov phab ntsa nominal thickness tsawg dua %6 nti (7.9 hli), qhov kev txiav tawm ntawm qhov tsawg kawg nkaus elongation hauv 2 nti (50.08 hli) rau txhua Vzi - nti (0.8 hli) txo qis hauv cov phab ntsa nominal thickness qis dua %6 nti (7.9 hli), hauv feem pua | 1.5A | 1.25A | 1.0A… |
| Cov Nqi Elongation Yam Tsawg Kawg Nkaus Uas Tau Xam | ||||
| Phab Ntsa Nominal Thickness | Kev ntev hauv 2 nti (50.8 hli), feeb, % | |||
| nyob rau hauv. | hli. | Qib 1 | Qib 2 | Qib 3 |
| 5/16 (0.312) | 7.9 | 30.00 | 25.00 | 20.00 |
| 9/32(0.281) | 7.1 | 28.50 | 23.75 | 19.00 teev sawv ntxov |
| 1/4(0.25) | 6.4 | 27.00 | 22.50 | 18.00 teev sawv ntxov |
| 7/32(0.219) | 5.6 | 25.50 | 21.25 | 17.00 teev sawv ntxov |
| 3/16(0.188) | 4.8 | 24.00 | 20.00 | 26.00 |
| 11/6(0.172) | 4.4 | 23.25 | 19.50 | 15.50 |
| 5/32(0.156) | 4.0 | 22.50 | 18.75 | 15.00 |
| 9/64(0.141) | 3.6 | 21.75 | 18.25 | 14.50 |
| 1/8(0.125) | 3.2 | 21.00 teev sawv ntxov | 17.50 | 14.00 |
| 7/64(0.109) | 2.8 | 20.25 | 16.75 | 13.50 |
| Cov lus saum toj no muab cov nqi elongation tsawg kawg nkaus uas tau xam rau ntau yam phab ntsa nominal thicknesses. Qhov twg qhov nominal phab ntsa thickness yog nruab nrab rau cov uas tau qhia saum toj no, qhov nqi elongation tsawg kawg nkaus yuav tsum tau txiav txim siab raws li hauv qab no: | ||||
| Qib | ||||
| 1. E=48t+15.00 | ||||
| 2. E=40t+12.50 | ||||
| 3. E=32t+10.00 | ||||
| qhov twg: | ||||
| E = kev ntev hauv 2 nti., %, thiab | ||||
| T = teev tseg nominal phab ntsa thickness, nyob rau hauv. | ||||
Sab Nraud Txoj Kab uas hla
Lub cheeb tsam sab nraud ntawm cov yeeb nkab yuav tsum tsis txhob txawv ntau dua ± 1% ntawm lub cheeb tsam sab nraud uas tau teev tseg.
Phab ntsa tuab
Lub phab ntsa tuab ntawm txhua qhov chaw yuav tsum tsis pub ntau tshaj 12.5% nyob rau hauv qhov teev tseg nominal phab ntsa tuab.
Qhov ntev
Cov yeeb nkab yuav tsum tau muab tso rau hauv ib qho ntev random, ob qhov ntev random, lossis hauv qhov ntev sib xws raws li tau teev tseg hauv daim ntawv xaj yuav khoom, raws li cov kev txwv hauv qab no:
a. Ib qho ntev random: 16 txog 25ft (4.88 txog 7.62mm), nti
b. Ob chav ntev random: Tshaj 25ft (7.62m) nrog qhov nruab nrab tsawg kawg yog 35ft (10.67m)
c. Qhov ntev sib xws: qhov ntev raws li tau teev tseg nrog qhov kev hloov pauv ntawm ± 1 nti.
Qhov hnyav
Txhua qhov ntev ntawm cov yeeb nkab yuav tsum tau ntsuas nyias thiab nws qhov hnyav yuav tsum tsis txhob hloov ntau tshaj 15% dhau los yog 5% qis dua nws qhov hnyav theoretical, xam los ntawm kev siv nws qhov ntev thiab nws qhov hnyav ib chav ntev.
A. Lub npe chaw tsim khoom lossis nws lub npe lag luam.
B. Qhov ntev (lub nominal diameter thiab lub nominal phab ntsa thickness, ntev thiab hnyav ib chav tsev ntev).
C. Tus lej cua sov.
D. Cov txheej txheem ntawm kev tsim khoom (seamless).
E. Qib.
F. Kev xaiv cov lus qhia.
● Cov yeeb nkab liab qab los yog Dub / Varnish txheej (kho kom haum);
● Hauv xoob;
● Ob qho kawg nrog cov tiv thaiv kawg;
● Qhov kawg tiaj tus, qhov kawg bevel;
● Kev cim.
"Kev ua siab dawb siab zoo, kev tsim kho tshiab, kev ua kom nruj, thiab kev ua haujlwm zoo" tej zaum yuav yog lub tswv yim ruaj khov ntawm peb lub koom haum rau lub sijhawm ntev ntawd los tsim kom muaj kev sib koom tes nrog cov neeg siv khoom rau kev sib pab thiab kev sib pab rau Cov Chaw Tsim Khoom Ua Lag Luam rau 219-2020 hli Loj Loj Kauv Welded Dub Carbon Steel Yeeb Nkab SSAW, Peb vam tias yuav tsim kom muaj kev sib raug zoo nrog koj yav tom ntej. Peb yuav qhia rau koj paub txog peb txoj kev vam meej thiab tos ntsoov yuav tsim kev sib raug zoo ua lag luam nrog koj.
Chaw Tsim Khoom Ua Lag Luam rauTuam Tshoj Carbon Welded Steel Yeeb Nkab thiab Mild Steel SSAW Yeeb Nkab, Txhawm rau kom ua tus thawj coj hauv peb txoj haujlwm, peb yeej tsis tso tseg kev sib tw qhov kev txwv hauv txhua yam los tsim cov kev daws teeb meem zoo tshaj plaws. Hauv nws txoj kev, Peb tuaj yeem nplua nuj peb txoj kev ua neej thiab txhawb kom muaj ib puag ncig zoo dua rau lub zej zog thoob ntiaj teb.
11
