JIS G 3461 simbi pombiis a seamless (SMLS) kana yemagetsi-resistance-welded (RW) kabhoni simbi pombi, inonyanya kushandiswa mumaboilers uye kupisa kunopisa kune maapplication akadai sekuona kupisa kwekuchinja pakati pemukati nekunze kwechubhu.
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Size Range
Grade Classification
Raw Materials
Maitiro ekugadzira eJIS G 3461
Pipe End Type
Kupisa Kurapa
Kemikari Inoumbwa yeJIS G 3461
Mechanical Performance yeJIS G 3461
Kuoma Muedzo
Muedzo weHydraulic kana Muedzo usingaparadzi
Pipe Weight Chati yeJIS G 3461
Dimensional Kushivirira kweJIS G 3461
Chitarisiko
Kumaka
Zvikumbiro zveJIS G 3461
JIS G 3461 Equivalent Standard
Zvigadzirwa zvedu zvinoenderana
Size Range
Inokodzera mapaipi esimbi ane dhayamita yekunze ye15.9-139.8mm.
Raw Materials
Machubhu anozogadzirwa kubva kunesimbi yakaurawa.
Simbi yakaurawa imhando yesimbi umo okisijeni inobviswa musimbi nekuwedzerwa kwe deoxidizer yakadai sesilicon, aluminium, kana manganese panguva yekunyunguduka.
Kurapa uku kunoguma nesimbi inenge isina mabhubhu emhepo kana mamwe magasi anosanganisirwa, ayo anowedzera kuenzana uye zvinhu zvese zvesimbi.
Maitiro ekugadzira eJIS G 3461
Kusanganiswa kwenzira dzekugadzira pombi uye nzira dzekupedzisa.
Kupisa-kupedzwa seamless simbi chubhu: SH
Kutonhora-kupedzwa seamless simbi chubhu: SC
Semagetsi kuramba welded simbi chubhu: EG
Kupisa-kupedzwa kwemagetsi kuramba welded simbi chubhu: EH
Kutonhora-kupedzwa kwemagetsi kupikisa welded simbi chubhu: EC
Kana pombi yesimbi inogadzirwa nekupikisa welding, weld beads dzinofanira kubviswa kubva mukati uye kunze kwekunze kuitira kuti pamusoro pepombi iite zvakanaka pamwe chete necontour.
Weld mabedhi mukati memukati anogona kusabviswa kana mutengi nemugadziri vakabvumirana.
Pipe End Type
Simbi pombi inofanira kuva flat-kupera.
Kupisa Kurapa
Nzira yekugadzira pombi yesimbi uye giredhi yayo inowirirana inofanirwa kutariswa pakusarudza yakakodzera kupisa kupisa.
Maitirwo akasiyana ekugadzira uye magiredhi emidziyo angangoda nzira dzakasiyana dzekurapa kupisa kuti uwane inodiwa michina zvivakwa uye microstructure.
Kemikari Inoumbwa yeJIS G 3461
Thermal kuongorora nziraichaenderana nezviyero zviri muJIS G 0320.
Alloying zvinhu zvisiri izvo zvinogona kuwedzerwa kuti uwane chaiwo zvivakwa.
Nzira yekuongororwa kwechigadzirwaichaenderana nezviyero zviri muJIS G 0321.
Kana chigadzirwa chikaongororwa, kutsauka kwemaitiro emakemikari epombi kuchasangana nezvinodiwa zveTafura 3 yeJIS G 0321 yemapombi esimbi isina musono uye Tafura 2 yeJIS G 0321 yekupikisa-welded simbi pombi.
Mechanical Performance yeJIS G 3461
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.
Kusimba Kwesimba, Goho Poindi kana Humbowo Stress, uye Elongation
Kana bvunzo dzekutemesa dzichiitwa paTest piece Nha. 12 yechubhu iri pasi pe8 mm muhukobvu hwemadziro, kureba kuchaenderana neTafura 5.
Flattening Resistance
A flattening Resistance bvunzo haidiwe kune isina musono simbi pombi.
Test Method Isa mufananidzo mumuchina uye ugoita kuti mbembe kusvika chinhambwe chiri pakati pemapuratifomu maviri chasvika kukosha kwakatarwa.H.Zvadaro tarisa muenzaniso kune makatsemuka.
Paunenge uchiyedza kupikisa kwakakomba welded pombi, mutsara uri pakati peiyo weld nepakati pepombi ndeye perpendicular kune yekumanikidza kutungamira.
H=(1+e)t/(e+t/D)
H: chinhambwe pakati peplatens (mm)
t: kukora kwemadziro echubhu (mm)
D: kunze kwedhayamita yechubhu (mm)
е: nguva dzose inotsanangurwa yegiredhi imwe neimwe yechubhu.STB340: 0.09;STB410: 0.08;STB510: 0.07.
Flaring Property
Iyo Flaring Property bvunzo haidiwe kune isina musono machubhu.
Imwe magumo emuenzaniso inopfuta pakupisa kwekamuri (5 ° C kusvika 35 ° C) ine conical tool pakona ye 60 ° kusvikira kunze kwedhayamita yawedzerwa nechikamu che 1.2 uye yakaongororwa kuti yakatsemuka.
Ichi chinodiwa chinoshandawo kumachubhu ane dhayamita yekunze inodarika 101.6 mm.
Reverse Flattening Resistance
Iyo reverse flattening bvunzo chidimbu uye nzira yekuyedza ichave inotevera.
Cheka 100 mm kureba kwechidimbu chekuedza kubva kune rumwe rutivi rwepombi uye cheka chidimbu chekuedza muhafu ye90 ° kubva kune weld line kumativi ose maviri edenderedzwa, uchitora hafu ine weld sechidimbu chekuedza.
Patembiricha yemumba (5 °C kusvika 35 °C) isa mufananidzo wacho mundiro ine weld kumusoro uye ongorora mufananidzo wacho kana pakatsemuka.
Kuoma Muedzo
| Chiratidzo chegiredhi | Rockwell kuoma (kureva kukosha kwezvinzvimbo zvitatu) HRBW |
| STB340 | 77 max. |
| STB410 | 79 max. |
| STB510 | 92 max. |
Muedzo weHydraulic kana Muedzo usingaparadzi
Muedzo weHydraulic kana usiri wekuparadza uchaitwa papombi yega yega.
Hydraulic Test
Bata mukati mepombi zvishoma kana kukwidza P kwemasekonzi mashanu, wobva watarisa kuti pombi inokwanisa kumirisana nekumanikidza pasina kubuda.
P=2st/D
P: test pressure (MPa)
t: kukora kwemadziro echubhu (mm)
D: kunze kwedhayamita yechubhu (mm)
s: 60 % yehushoma hushoma kukosha hwegoho poindi kana chiratidzo chekusimbisa.
P max.10 MPa.
Kana Mutengi ataura kumanikidzwa, kukuru kupfuura yakaverengerwa bvunzo kumanikidza P kana 10 MPa, iyo inoshandiswa bvunzo yekumanikidza ichabvumiranwa neMutengi uye mugadziri.
Ichatsanangurwa mu 0.5 MPa increments kana isingasviki 10 MPa uye mu 1 MPa increments kana 10 MPa kana kupfuura.
Muedzo usingaparadzi
Kuyedzwa kusingaparadze kwesimbi machubhu kunofanirwa kuitwa ne ultrasonic kana eddy ikozvino kuyedza.
Kune ultrasonic inspection maitiro, chiratidzo chinobva pareferensi sampuli ine referensi chiyero chekirasi UD sezvakatsanangurwa muJIS G 0582 ichaonekwa seyero yearamu uye ichava nechiratidzo chekutanga chakaenzana kana chikuru kupfuura nhanho yearamu.
Kune eddy yazvino yekutarisa maitiro, chiratidzo kubva kune referensi chiyero chakatsanangurwa muJIS G 0583 ine EY chikamu chinozoonekwa seyero yearamu, uye hapazove nechiratidzo chakaenzana kana chikuru kupfuura alarm level.
Pipe Weight Chati yeJIS G 3461
Iyo data muhuremu chati inobva pane fomula iri pazasi.
W=0.02466t(Dt)
W: huremu hwepombi (kg/m)
t: kukora kwemadziro epombi (mm)
D: kunze kwedhayamita yepombi (mm)
0.02466: shanduko yekuwana W
Formula iri pamusoro ishanduko yakavakirwa pakuwanda kwemachubhu esimbi e7.85 g/cm³ uye mibairo yacho inotenderedzwa kuita manhamba matatu akakosha.
Dimensional Kushivirira kweJIS G 3461
Kushivirira pane Kunze Diameter
Kushivirira paKukora Kwemadziro uye Eccentricity
Kushivirira paKureba
Chitarisiko
Iko mukati uye kunze kwekunze kwepombi yesimbi inofanira kuva yakatsetseka uye isina zvikanganiso zvisina kunaka kushandisa.Nokuda kwekudzivirira welding simbi pombi, kureba kwemukati weld ≤ 0.25mm.
Kwemapaipi esimbi ane OD ≤ 50.8mm kana kukora kwemadziro ≤ 3.5mm, INSIDE CAPPS ≤ 0.15mm inogona kudiwa.
Pamusoro pepombi yesimbi inogona kugadziriswa nekukuya uye kuputika, machining, kana dzimwe nzira.Chero bedzi yakagadziriswa rusvingo ukobvu
iri mukati meiyo yakatsanangurwa madziro ukobvu kushivirira, uye pamusoro pechikamu chakagadziridzwa chichava chakatsetseka.
Kumaka
Tora nzira yakakodzera yekuisa mazita anotevera ruzivo.
a) Chiratidzo chegiredhi;
b) Chiratidzo chekugadzira nzira;
c) Dimensions: kunze dhayamita uye rusvingo ukobvu;
d) Zita remugadziri kana zita rekuzivisa.
Zvikumbiro zveJIS G 3461
Inonyanya kushandiswa pombi dzemvura, pombi dzeflue, pombi dzepamusoro-soro, uye pombi dzemhepo preheater muma boilers, aya kabhoni simbi machubhu anoshandiswa kuona kuchinjanisa kupisa mukati nekunze kwechubhu.
Pamusoro pezvo, machubhu aya anoshandiswa zvakanyanya mumaindasitiri emakemikari nepetroleum ekupisa exchanger machubhu, condenser machubhu uye catalyst chubhu.
Nekudaro, ivo havana kukodzera kupisa machubhu ekupisa uye kupisa exchanger machubhu ekudziya kwakaderera.
JIS G 3461 Equivalent Standard
Zvigadzirwa zvedu zvinoenderana
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 3461, stb310, stb410, stb510, kabhoni simbi pombi, vatengesi, vagadziri, mafekitari, masheya, makambani, tengesa, kutenga, mutengo, quotation, zvakawanda, kutengesa, mutengo.
Nguva yekutumira: May-11-2024