JIS G 3444 simbi pombichiumbwa kabhoni simbi pombi inogadzirwa nemusono kana welded process, inonyanya kushandiswa muinjiniya nekuvaka.
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Size Range
Grade Classification
JIS G 3444 Manufacturing Maitiro
Tube End Type
Kemikari Inoumbwa yeJIS G 3444
Mechanical Property yeJIS G 3444
Flattening Resistance
Bend Test
Mimwe Miedzo
Pipe Weight Tafura yeJIS G 3444
Dimensional Kushivirira kweJIS G 3444
Zvitarisiko
Kumaka
JIS G 3444 Application
Related Standards
Zvatiri Zvakanakira
Size Range
General chinangwa Outer dhayamita: 21.7-1016.0mm;
Nheyo dzenheyo uye mirwi yekudzvinyirirwa kwevhu OD: pazasi 318.5mm.
Grade Classification
Machubhu akakamurwa kuita 5 mamakisi.
STK 290,STK 400, STK 490, STK 500, STK 540.
JIS G 3444 Manufacturing Maitiro
Iyo machubhu ichagadzirwa nekubatanidzwa kwechubhu yekugadzira nzira uye nzira yekupedzisa iyo inoratidzwa.
Machubhu anogona kunyatsogadziriswa kupisa kana achida.
Kana zvichidiwa neMutengi, pombi inogona kugadzirwa kubva pashizha resimbi rakavharwa kana simbi yakavharwa.Muchiitiko ichi, rudzi rwekuputira uye kunaka kwekuputira kunofanira kuenderana nezvinodiwa zveJIS G 3444, Appendix A.
Mhando dzekupotera dzinogona kuiswa dzinopisa-dip zinc coating, electrolytic zinc coating, inopisa-dip aluminium coating, inopisa-dip zinc-5% aluminium alloy coating, inopisa-dip 55% aluminium-zinc alloy coating, kana kupisa- dip zinc-aluminium-magnesium alloy coating.
Tube End Type
Migumo yepombi yesimbi inofanira kuti sandara.
Kana iyo pombi ichidikanwa kuti igadziriswe kusvika kumagumo akakomberedzwa, kona yebevel ndeye 30-35 °, bevel upamhi hwesimbi pombi edge: ndeye max 2.4mm.
Kemikari Inoumbwa yeJIS G 3444
Nzira dzekuongorora dzekupisa dzichaenderana nezvinodiwa muJIS G 0320.
Iyo nzira yekuongorora chigadzirwa ichave inoenderana nezvinodiwa muJIS G 0321.
Mechanical Property yeJIS G 3444
Izvo zvinodikanwa zvemuchina bvunzo zvichave zvinoenderana neSection 7 uye 9 yeJIS G 0404.
Nekudaro, iyo sampling nzira yebvunzo dzemakanika ichaenderana nezvinodiwa zveKirasi A zviga muChikamu 7.6 cheJIS G 0404.
Tensile Simba uye Goho Poindi kana Humbowo Stress
Kusimba kwesimba uye goho poindi kana chiratidzo chekusimbisa pamwe nekusimba kwesimba paweld kunogutsa kukosha kwakatsanangurwa muTafura 3.
Kusimba kwekusimba kweweld kunoshanda kune otomatiki arc welded machubhu.
Simba re weld rakafanana neinodiwa kumuviri wepombi.Iyo welded chikamu chinowanzova chisina kusimba chinongedzo muchimiro, saka kuve neyakafanana kusimba kwesimba kunovimbisa kuvimbika kweiyo welded chimiro.
Tafura 3 zvakare ine chinhambwe chinodiwa cheFlattening kuramba uye zvinodikanwa zvebhend angle uye bend radius pamagumo ekubhenda.
Elongation
Iyo elongation inoenderana neiyo chubhu yekugadzira nzira inoratidzwa muTafura 4.
Zvisineyi, kana bvunzo dzekusimba dzichiitwa paTest Piece No. 12 kana Test Piece No.5 yakatorwa kubva muchubhu iri pasi pe8 mm muhukobvu hwemadziro, kureba kuchaenderana neTafura 5.
Flattening Resistance
Isa chidimbu chekuyedza pane yakajairika tembiricha (5 ° C kusvika 35 ° C) pakati pemahwendefa maviri akafuratira uye compress kuti igadzikane kusvika chinhambwe chiri pakati pemahwendefa H chave kuenzana kana kudiki pane kukosha kwakataurwa muTebhurari 3, wozoongorora kuti pane pakatsemuka. test piece.
Isai welds yekupikisa welded simbi mutopota uye butt welded simbi mutopota kuitira kuti mutsetse pakati pepakati pombi uye weld iri perpendicular kune nhungamiro compression.
Bend Test
Penda chidimbu chekuyedza kutenderedza silinda patembiricha yakajairwa (5 °C kusvika 35 °C) pakona yekukotama isiri pasi peiyo diki yekukotama angle inotsanangurwa muTebhurari 3, uye neradius yemukati isingapfuure yakakura mukati meradius inotsanangurwa muTafura. 3, uye ongorora chidimbu chekuyedza kune makatsemuka.
Kuti uedze kupikisa kwemagetsi welded simbi chubhu uye butt-weld simbi chubhu, isa chidimbu chebvunzo zvekuti weld i90 °C kubva kunze kwenzvimbo yekubhenda.
Mimwe Miedzo
Hydrostatic bvunzo, isingaparadze bvunzo dze welds, kana mamwe maedzo anozobvumiranwa pachine nguva pane zvinoenderana nezvinodiwa.
Pipe Weight Tafura yeJIS G 3444
Simbi pombi uremu calculation formula
W=0.02466 t (Dt)
W: chiyero chechubhu (kg/m)
t: kukora kwemadziro echubhu (mm)
D: kunze kwedhayamita yechubhu (mm)
0.02466: unit inoshandura chinhu chekutora W
Iyo formula yakavakirwa pakuti density yesimbi i7.85 g/cm³.
Dimensional Kushivirira kweJIS G 3444
Kunze Diameter Kushivirira
Wall Thickness Tolerance
Kureba Kushivirira
Kushivirira kwehurefu hwepombi yesimbi, kushivirira kwakashata ndeye zero, kushivirira kwakanaka hakusi kudiwa zvakajeka, mutengi uye mugadziri kusarudza nekubvumirana.
Zvitarisiko
Iyo mukati uye kunze kwekunze kwepombi yesimbi ichave yakatsetseka uye isina zvikanganiso zvisina kunaka kushandisa.
Anti-corrosion coatings senge zinc-rich coatings, epoxy coatings, pendi coating, etc. inogona kuiswa kune ekunze kana mukati.
Kumaka
Pombi imwe neimwe yesimbi ichanyorwa nemashoko anotevera.
a)Chiratidzo chegiredhi.
b) Chiratidzo chekugadzira nzira.Chiratidzo chekugadzira nzira yekugadzira ichave inotevera.Dashi rinogona kutsiviwa nechinhu chisina chinhu.
1) Kupisa-kupedza seamless simbi chubhu: -SH
2) Cold-yakapera seamless simbi chubhu: -SC
3) Semagetsi kuramba welded simbi chubhu: -EG
4) Kupisa-kupedzwa kwemagetsi kuramba welded simbi chubhu: -EH
5) Kutonhora-kupedzwa kwemagetsi kuramba welded simbi chubhu: -EC
6) Butt-welded simbi machubhu -B
7) Automatic arc welded simbi machubhu -A
c) Dimensions.Iyo dhayamita yekunze uye ukobvu hwemadziro hucharatidzwa.
d) Zita kana chidimbu chemugadziri.
Kana kumaka pachubhu kwakaoma nekuti dhayamita yekunze idiki kana kuti kana zvakumbirwa nemutengi, chiratidzo chinogona kupihwa pabundle rega rega remachubhu nenzira yakakodzera.
Nzira dzakadai sekushandiswa kwemavara, nezvimwewo.
JIS G 3444 Application
Iwo anoshandiswa kuhuinjiniya hwemagariro uye zvivakwa zvakaita seshongwe dzesimbi, scaffoldings, mirwi yekutsika, nheyo, uye mirwi yekudzvinyirirwa kwepasi.
Related Standards
JIS G 3452: Inotsanangura kabhoni simbi mapaipi kune zvakajairwa zvinangwa (zvakasiyana nezvinangwa zvekuumbwa uye zvakanyanya kutariswa pakufambisa kwezvinwiwa kana magasi).
JIS G 3454: Inotsanangura zviyero zvekabhoni simbi mapaipi ekumanikidza pombi.
ASTM A500: inovhara inotonhora-yakaumbwa welded uye isina musono kabhoni simbi yekumisikidza machubhu uye yakafanana neJIS G 3444 mune zvimwe zvayo zvinodiwa.
EN 10219: Inovhara inotonhora-yakaumbwa yakashongedzerwa makomba zvikamu zvezvimiro, zvinosanganisira denderedzwa, sikweya, uye rectangular profiles.
Zvatiri Zvakanakira
Kubva payakavambwa muna 2014, Botop Steel yave mutengesi anotungamira wekabhoni simbi pombi kuChamhembe kweChina, inozivikanwa nebasa repamusoro, zvigadzirwa zvemhando yepamusoro, uye mhinduro dzakakwana.
Iyo kambani inopa dzakasiyana siyana dzekabhoni simbi mapaipi uye zvigadzirwa zvine hukama, zvinosanganisira isina musono, ERW, LSAW, uye SSAW simbi pombi, pamwe neyakakwana mutsara wepombi fittings uye flanges.
Zvigadzirwa zvayo zvehunyanzvi zvinosanganisira alloys epamusoro-giredhi uye austenitic simbi isina tsvina, yakagadzirirwa kusangana nezvinodiwa zveakasiyana mapurojekiti epombi.
Tags: jis g 3444, kabhoni simbi pombi, stk, simbi chubhu, chimiro pombi.
Nguva yekutumira: May-10-2024