JIS G 3455 steel yeeb nkabyog tsim los ntawmseamless steel yeeb nkabmanufacturing txheej txheem, tsuas yog siv rau carbon steel yeeb nkab nrogUa haujlwm kub hauv qab 350 ℃ ib puag ncig, feem ntau yog siv rau cov khoom siv kho tshuab.
Navigation Khawm
Qhov Loj
Qib Classification
Cov txheej txheem tsim khoom
Kev kho cua sov
Pipe End Hom
Chemical Cheebtsam ntawm JIS G 3455
Mechanical Property ntawm JIS G 3455
Hydrostatic Test lossis Nondestructive Test
JIS G 3455 Steel Pipe Weight Chart thiab Yeeb Nkab Teem caij
JIS G 3455 Dimensional Tolerances
Qhov tshwm sim
Kos npe
Kev siv ntawm JIS G 3455 Steel Pipe
JIS G 3455 Equivalent Standards
Peb cov khoom muaj feem xyuam
Qhov Loj
Cov yeeb nkab sab nraud: 10.5-660.4mm (6-650A) (1/8-26B)
A = DN;B = NPE.
Qib Classification
JIS G 3455 muaj peb qib raws li qhov tsawg kawg nkaus tensile lub zog ntawm cov yeeb nkab, uas yogSTS 370, STS 410, thiabSTS480.
Cov txheej txheem tsim khoom
Cov yeeb nkab yuav tsum tau tsim seamlessly los ntawm cov hlau tua.
Thaum kawg molding yog muab faib ua ob hom, kub-tiav thiab txias-tiav, nyob ntawm seb sab nraud txoj kab uas hla thiab phab ntsa thickness.
| Lub cim ntawm qib | Lub cim ntawm kev tsim khoom | |
| Kev tsim cov yeeb nkab | Txoj kev ua tiav | |
| STS 370 STS 410 STS480 | Seamless: S | Kub tiav: H Txias tiav: C |
Kev kho cua sov
| Lub cim ntawm qib | Kub-tiav seamless steel yeeb nkab | Txias-ua tiav seamless steel yeeb nkab |
| STS 370 STS 410 | Raws li tsim. Txawm li cas los xij, qhov kub thiab txias annealing lossis normalizing tuaj yeem siv tau raws li qhov tsim nyog. | Tsawg kub annealed los yog normalized |
| STS480 | Tsawg kub annealed los yog normalized | |
Kev kho cua sov uas tsis yog cov uas tau muab rau hauv lub rooj yuav ua tau los ntawm kev pom zoo ntawm tus neeg yuav khoom thiab cov chaw tsim khoom.
Pipe End Hom
Cov kav dej yuav tsum ua tiav nrog cov xaus.
Yog hais tias ib tug beveled kawg tau teev, lub tapered kawg zoo ntawm cov kav dej nrog phab ntsa thickness ≤ 22 hli yuav tsum ua raws li 30-35 °, thiab lub bevel dav ntawm steel yeeb nkab ntug yog max 2.4mm.
Chemical Cheebtsam ntawm JIS G 3455
Kev ntsuas kub yuav tsum ua raws li JIS G 0320. Cov khoom lag luam tsom xam yuav tsum ua raws li JIS G 0321.
Thermal tsom xam qhov tseem ceeb yuav tsum ua raws li cov cai hauv qab no:
| Lub cim ntawm qib | C (Carbon) | Si (Silicon) | Manganese (Mn) | P (phosphorus) | S (Sulfur) |
| max | max | max | |||
| STS 370 | 0.25% | 0.10-0.35% | 0.30-1.10% | 0.35% | 0.35% |
| STS 410 | 0.30% | 0.10-0.35% | 0.30-1.40% | 0.35% | 0.35% |
| STS480 | 0.33% | 0.10-0.35% | 0.30-1.50% | 0.35% | 0.35% |
Cov kev txheeb xyuas qhov tseem ceeb ntawm cov khoom yuav tsum tsis yog tsuas yog ua tau raws li qhov tseem ceeb hauv cov lus, tab sis qhov kev zam ntawm txhua lub ntsiab lus yuav tsum ua raws li cov cai ntawm Table 3 ntawm JIS G 3021.
Mechanical Property ntawm JIS G 3455
Cov kev cai dav dav rau kev sim tshuab yuav tsum ua raws li nqe lus 7 thiab 9 ntawm JIS G 0404. Cov qauv qauv rau kev kuaj tshuab yuav tsum ua raws li Chav Kawm A ntawm JIS G 0404, Tshooj 7.6.
Tensile Strength, Yield Point lossis Pov Thawj Kev Nyuaj Siab, thiab Elongation
Txoj kev xeem yuav tsum ua raws li cov qauv hauv JIS Z 2241.
Rau cov kav dej uas raug kuaj tensile siv cov qauv No. 12 lossis No. 5, qhov elongation yuav tsum ua raws li cov lus qhia 5.
Flattening Resistance
Qhov kev ntsuam xyuas yuav raug muab tshem tawm ntawm qhov kev txiav txim siab ntawm cov chaw tsim khoom ntev npaum li cov kav dej ua tau raws li qhov kev sib tw flattening tsis kam.
Cov qauv yog muab tso rau nruab nrab ntawm ob lub platforms thiab flattened nyob rau hauv compression kom txog rau thaum qhov kev ncua deb H ntawm lub platforms ncav cuag tus nqi teev.Tom qab ntawd cov qauv yog kuaj xyuas cov kab nrib pleb.
H=(1+e)t/(e+t/D)
H: nrug ntawm platens (mm)
t: phab ntsa thickness ntawm cov yeeb nkab (mm)
D: Sab nraud txoj kab uas hla ntawm cov yeeb nkab (mm)
е: tas li txhais rau txhua qib ntawm cov yeeb nkab: 0.08 rau STS370, 0.07 rau STS410 thiab STS480.
Bendability Test
Muaj feem xyuam rau cov kav dej nrog sab nraud txoj kab uas hla ≤50 mm raws li teev los ntawm tus neeg yuav khoom.
Cov qauv yuav tsum tsis muaj kab nrib pleb thaum khoov ntawm lub kaum sab xis ntawm 90 ° nrog rau sab hauv txoj kab uas hla ntawm 6 npaug ntawm txoj kab uas hla sab nraud ntawm cov yeeb nkab.Lub kaum sab xis yuav tsum ntsuas thaum pib ntawm qhov khoov.
Hydrostatic Test lossis Nondestructive Test
Ib qho kev sim hydrostatic lossis tsis muaj kev puas tsuaj yuav tsum tau ua ntawm txhua lub yeeb nkab.
Hydrostatic Test
Tuav cov yeeb nkab kom tsis pub tsawg tshaj li qhov ntsuas qhov tsawg kawg nkaus hydrostatic test siab rau yam tsawg 5 vib nas this thiab xyuas tias cov yeeb nkab tuaj yeem tiv taus qhov siab yam tsis muaj qhov to.
Thaum tus neeg yuav khoom tsis qhia txog qhov ntsuas qhov siab, thiab thaum cov yeeb nkab raug rau qhov tsawg kawg nkaus hydrostatic test siab muab, cov yeeb nkab yuav tsum muaj peev xwm tiv taus nws yam tsis muaj qhov to.
| Nominal phab ntsa thickness | 40 | 60 | 80 | 100 | 120 | 140 | 160 |
| Tsawg kawg hydraulic ntsuas siab, Mpa | 6.0 | 9.0 ib | 12 | 15 | 18 | 20 | 20 |
Thaum cov phab ntsa tuab ntawm cov kab sab nraud ntawm cov yeeb nkab steel tsis yog tus qauv tus nqi hauv lub rooj ntawm qhov hnyav ntawm cov yeeb nkab steel, nws yog ib qho tsim nyog yuav tau siv cov qauv los xam cov nqi siab.
P = 2st/D
PKev ntsuas siab (MPa)
t: phab ntsa thickness ntawm cov yeeb nkab (mm)
D: Sab nraud txoj kab uas hla ntawm cov yeeb nkab (mm)
s: 60% ntawm qhov tsawg kawg nkaus tus nqi ntawm qhov taw tes tawm los yog pov thawj kev ntxhov siab muab.
Thaum qhov tsawg kawg nkaus hydrostatic test siab ntawm tus lej npaj siab tshaj qhov ntsuas siab P tau txais los ntawm cov mis, lub siab P yuav tsum tau siv raws li qhov tsawg kawg nkaus hydrostatic xeem siab es tsis txhob xaiv qhov tsawg kawg nkaus hydrostatic test siab nyob rau hauv cov lus saum toj no.
Kev kuaj tsis raug
Lub raj xa dej yuav tsum raug tshuaj xyuas los ntawm kev kuaj xyuas ultrasonic lossis kev kuaj pom tam sim no.
Rau cov yam ntxwv kuaj ultrasonic, cov cim qhia ntawm cov qauv siv uas muaj UD chav kawm siv cov qauv teev tseg hauv JIS G 0582 yuav tsum raug suav tias yog qib tswb, thiab tsis muaj teeb liab sib npaug lossis ntau dua li lub tswb theem yuav tsum muaj.
Rau eddy tam sim no nrhiav tau tus yam ntxwv, lub teeb liab ntawm cov qauv siv uas muaj cov qauv siv ntawm chav kawm EY raws li teev nyob rau hauv JIS G 0583 yuav tsum raug xam tias yog lub tswb theem, thiab tsis muaj teeb liab sib npaug los yog siab tshaj lub tswb theem yuav tsum muaj.
JIS G 3455 Steel Pipe Weight Chart thiab Yeeb Nkab Teem caij
Steel Pipe Weight Chart
Nyob rau hauv cov ntaub ntawv ntawm qhov ntev tsis tau teev nyob rau hauv cov yeeb nkab luj rooj, cov mis yuav siv tau los xam lawv.
W = 0.02466t(Dt)
Wunit loj ntawm cov yeeb nkab (kg / m)
t: phab ntsa thickness ntawm cov yeeb nkab (mm)
D: Sab nraud txoj kab uas hla ntawm cov yeeb nkab (mm)
0.02466 ib: Kev hloov pauv kom tau txais W
Xav tias qhov ceev ntawm 7.85 g / cm³ rau lub raj steel thiab hloov qhov tshwm sim rau peb qhov tseem ceeb.
Cov Txheej Txheem Yeeb Nkab
Tus qauv qhia tsib qhov kev ntsuas ntawm Teem sijhawm 40, 60, 80, 100, 120, thiab 160.
Rau koj qhov yooj yim, ntawm no yog cov sijhawm siv ntau tshaj plaws 40 thiab teem sijhawm 80.
JIS G 3455 Dimensional Tolerances
Qhov tshwm sim
Sab hauv thiab sab nrauv ntawm cov yeeb nkab yuav tsum du thiab tsis muaj qhov tsis zoo siv.
Qhov kawg ntawm cov yeeb nkab steel yuav tsum nyob rau ntawm txoj cai kaum rau lub axis ntawm cov yeeb nkab.
Kos npe
Txhua lub raj yuav tsum tau sau nrog cov ntaub ntawv hauv qab no.
a) Lub cim ntawm qib;
b) Lub cim ntawm txoj kev tsim khoom;
Kub-tiav seamless steel yeeb nkab: -SH
Cold-tiav seamless steel yeeb nkab: -SC
c) Qhov ntevPiv txwv li 50AxSch80 los yog 60.5x5.5;
d) Tus neeg tsim khoom lub npe lossis txheeb xyuas lub npe.
Thaum lub cheeb sab nraud ntawm txhua lub raj me me thiab nws nyuaj rau kos txhua lub raj, lossis thaum tus neeg yuav khoom xav kom txhua lub pob ntawm cov raj raug cim, txhua pob yuav raug cim los ntawm txoj kev tsim nyog.
Kev siv ntawm JIS G 3455 Steel Pipe
Mechanical manufacturing: Vim nws lub zog siab thiab kub-resistant, nws yog siv rau hauv kev tsim khoom ntawm ntau yam khoom siv, xws li cov khoom siv rau cov tshuab hydraulic thiab cov roj txhaj tshuaj siab.
Industrial piping systems: Siv dav hauv cov ntawv thov kev lag luam uas yuav tsum tau muaj peev xwm nqa tau siab, xws li cov kav dej hauv cov nroj tsuag tshuaj, refineries, thiab lwm cov chaw ua haujlwm.Lawv muaj peev xwm ntawm kev nyab xeeb thauj cov cua kub siab, dej, roj, thiab lwm yam tshuaj.
Cov nroj tsuag muaj zog: Siv nyob rau hauv cov khoom tseem ceeb xws li boilers thiab superheaters uas raug rau kub thiab high-pressure kev khiav hauj lwm tej yam kev mob.
Lub tsev thiab kev tsim kho: Lawv tuaj yeem siv los txhawb cov qauv lossis ua cov kav dej siab, tshwj xeeb tshaj yog qhov yuav tsum muaj zog ntxiv thiab ua haujlwm ntev.
JIS G 3455 Equivalent Standards
ASTM A106 / ASME SA106: Txheem-txhais seamless carbon steel raj rau cov kev pabcuam kub kub, feem ntau siv hauv refineries, boilers, thiab tshav kub exchangers.
TIAB SA 17175: Npog seamless steel hlab thiab cov kav dej siv rau hauv qhov kub thiab txias thiab muaj feem xyuam rau cov ntawv thov kub-resistant xws li kev lag luam boiler.
TS EN 10216-2: Npog cov raj seamless thiab cov kav dej uas tsis yog-alloyed thiab alloyed steel siv rau hauv qhov kub thiab txias.
wb 5310: Txheem seamless steel raj thiab cov kav dej rau cov boilers high-pressure, nrog rau cov kev cai zoo ib yam li cov JIS G 3455, kuj muaj feem xyuam rau high-temperature thiab high-pressure ib puag ncig.
API 5L: Feem ntau yog siv rau cov roj thiab cov roj xa hluav taws xob, nws cov khoom yuav tsum tau ua, thiab kev siv cov yeeb nkab seamless nyob rau hauv tej yam kev mob zoo sib xws.
Peb cov khoom muaj feem xyuam
Txij li thaum nws tsim nyob rau hauv 2014, Botop Steel tau dhau los ua tus xa khoom ntawm carbon steel yeeb nkab nyob rau sab qaum teb Tuam Tshoj, paub txog kev pabcuam zoo, cov khoom zoo, thiab cov kev daws teeb meem.
Lub tuam txhab muaj ntau yam carbon steel kav thiab lwm yam khoom, xws li seamless, ERW, LSAW, thiab SSAW steel yeeb nkab, raws li zoo raws li ib tug tag nrho lineup ntawm cov yeeb nkab fittings thiab flanges.
Nws cov khoom tshwj xeeb kuj suav nrog cov qib high-qib alloys thiab austenitic stainless hlau, tsim kom tau raws li qhov xav tau ntawm ntau lub raj xa dej.
Hot Tags: JIS G 3455 carbon steel yeeb nkab, STS, seamless.
Post lub sij hawm: May-14-2024