JIS G 3461 chitoliro chachitsulondi chitoliro chachitsulo chopanda msoko (SMLS) kapena chamagetsi-resistance-welded (RW) cha carbon steel, chomwe chimagwiritsidwa ntchito makamaka m'ma boilers ndi zotenthetsera pa ntchito monga kuzindikira kusinthana kwa kutentha pakati pa mkati ndi kunja kwa chubu.
Navigation Mabatani
Size Range
Gulu la Maphunziro
Zida zogwiritsira ntchito
Njira Zopanga za JIS G 3461
Pipe End Type
Kutentha Chithandizo
Mapangidwe a Chemical a JIS G 3461
Mechanical Performance ya JIS G 3461
Mayeso Olimba
Mayeso a Hydraulic kapena Mayeso Osawononga
Tchati cha Kulemera kwa Chitoliro cha JIS G 3461
Dimensional Tolerance ya JIS G 3461
Maonekedwe
Kuyika chizindikiro
Mapulogalamu a JIS G 3461
JIS G 3461 Equivalent Standard
Zathu Zogwirizana
Size Range
Oyenera mipope zitsulo ndi m'mimba mwake kunja 15.9-139.8mm.
Zida zogwiritsira ntchito
Machubu adzapangidwa kuchokera kukupha chitsulo.
Chitsulo chophedwa ndi mtundu wachitsulo chomwe mpweya umachotsedwa muzitsulo powonjezera deoxidizer monga silicon, aluminium, kapena manganese panthawi yosungunuka.
Kuchiza kumeneku kumabweretsa chitsulo chomwe chimakhala chopanda thovu la mpweya kapena zinthu zina za gaseous, zomwe zimapangitsa kuti chitsulocho chikhale chofanana komanso chonsecho.
Njira Zopanga za JIS G 3461
Kuphatikiza njira zopangira zitoliro ndi njira zomaliza.
Chubu chachitsulo chosasunthika chotentha: SH
Chitsulo chozizira chomaliza chopanda msoko: SC
Monga magetsi kukana welded zitsulo chubu: EG
Kutentha komaliza kwamagetsi kukana welded steel chubu: EH
Kuzizira komaliza kwamagetsi kukana welded steel chubu: EC
Pamene chitoliro chachitsulo chimapangidwa ndi kuwotcherera kukana, mikanda yowotcherera iyenera kuchotsedwa mkati ndi kunja kuti pamwamba pa chitolirocho chikhale chosalala pamphepete.
Mikanda yowotcherera mkati mwake singachotsedwe ngati wogula ndi wopanga avomereza.
Pipe End Type
Chitoliro chachitsulo chiyenera kukhala chathyathyathya.
Kutentha Chithandizo
Njira yopangira chitoliro chachitsulo ndi kalasi yake yofananira iyenera kuganiziridwa posankha chithandizo choyenera cha kutentha.
Njira zosiyanasiyana zopangira ndi magiredi azinthu zingafune njira zosiyanasiyana zochizira kutentha kuti mukwaniritse zomwe mukufuna komanso ma microstructure.
Mapangidwe a Chemical a JIS G 3461
Njira zowunikira kutenthazizikhala motsatira miyezo ya JIS G 0320.
Ma alloying ena kupatula omwewo akhoza kuwonjezeredwa kuti apeze zinthu zinazake.
Njira yakusanthula kwazinthuzizikhala motsatira miyezo ya JIS G 0321.
Pamene mankhwalawa akuwunikidwa, kusinthika kwa mankhwala a chitoliro kudzakwaniritsa zofunikira za Table 3 ya JIS G 0321 ya mipope yachitsulo yopanda msoko ndi Table 2 ya JIS G 0321 ya mapaipi achitsulo osakanizidwa.
Mechanical Performance ya JIS G 3461
Zomwe zimafunikira pakuyesa kwamakina zizikhala molingana ndi Gawo 7 ndi 9 la JIS G 0404.
Komabe, njira yochitira zitsanzo zoyeserera zamakina ikugwirizana ndi zofunikira za Gawo A mu Gawo 7.6 la JIS G 0404.
Kulimba Kwamphamvu, Kutulutsa Pansi kapena Kupanikizika Kwaumboni, ndi Kutalikira
Pamene mayesero amakokedwe ikuchitika pa Mayeso chidutswa No. 12 kwa chubu pansi 8 mm makulidwe khoma, elongation adzakhala mogwirizana ndi Table 5.
Flattening Resistance
Kuyesa kwa flattening Resistance sikofunikira pa chitoliro chachitsulo chosasunthika.
Njira Yoyesera Ikani chitsanzocho mu makina ndikuchiphwasula mpaka mtunda wapakati pa nsanja ziwiri ufike pamtengo womwe watchulidwa.H.Kenako yang'anani chitsanzo cha ming'alu.
Poyesa kukana zovuta welded chitoliro, mzere pakati pa weld ndi pakati pa chitoliro ndi perpendicular kwa psinjika malangizo.
H=(1+e)t/(e+t/D)
H: mtunda pakati pa mapulaneti (mm)
t: makulidwe a khoma la chubu (mm)
D: kunja kwake kwa chubu (mm)
е: kumatanthauzidwa nthawi zonse pa kalasi iliyonse ya chubu.STB340: 0.09;STB410: 0.08;STB510: 0.07.
Flaring Property
Kuyesa kwa Flaring Property sikofunikira pamachubu opanda msoko.
Mapeto amodzi a chitsanzocho amawotchedwa kutentha (5 ° C mpaka 35 ° C) ndi chida cha conical pa ngodya ya 60 ° mpaka m'mimba mwake akukulitsidwa ndi gawo la 1.2 ndikuwunika ming'alu.
Chofunikirachi chimagwiranso ntchito pamachubu okhala ndi m'mimba mwake kuposa 101.6 mm.
Reverse Flattening Resistance
Njira yoyesera yochepetsera komanso njira yoyesera ikhale motere.
Dulani 100 mm kutalika kwa chidutswa choyesera kuchokera kumapeto kwa chitoliro ndikudula chidutswa choyesera mu theka la 90 ° kuchokera pamzere wowotcherera kumbali zonse za circumference, kutenga theka lomwe lili ndi weld ngati chidutswa choyesera.
Kutentha (5 °C mpaka 35 °C) phwasulani chitsanzocho kukhala mbale yokhala ndi chowotcherera pamwamba ndikuyang'ana chitsanzocho ngati ming'alu yowotcherera.
Mayeso Olimba
| Chizindikiro cha kalasi | Kuuma kwa Rockwell (kutanthauza mtengo wa malo atatu) Mtengo wa HRBW |
| Chithunzi cha STB340 | 77 max. |
| Chithunzi cha STB410 | 79 max. |
| Chithunzi cha STB510 | 92 max. |
Mayeso a Hydraulic kapena Mayeso Osawononga
Mayeso a Hydraulic kapena osawononga adzachitidwa pa chitoliro chilichonse.
Mayeso a Hydraulic
Gwirani mkati mwa chitoliro osachepera kapena kuthamanga kwambiri P kwa masekondi osachepera 5, ndiye fufuzani kuti chitolirocho chingathe kupirira kupanikizika popanda kutuluka.
P=2st/D
P: kuyesa kuthamanga (MPa)
t: makulidwe a khoma la chubu (mm)
D: kunja kwake kwa chubu (mm)
s: 60 % ya mtengo wochepera womwe watchulidwa wa zokolola kapena kutsindika kwa umboni.
P max.10 MPa.
Ngati Wogula anena za kukakamizidwa, kwakukulu kuposa kuyesedwa koyesedwa kwa P kapena 10 MPa, kukakamiza koyesedwa kogwiritsidwa ntchito kumavomerezedwa ndi Wogula ndi wopanga.
Idzafotokozedwa mu 0.5 MPa increments ngati zosakwana 10 MPa ndi 1 MPa increments ngati 10 MPa kapena apamwamba.
Mayeso osawononga
Kuyesa kosawononga kwa machubu achitsulo kuyenera kuchitidwa ndi kuyesa kwa ultrasonic kapena eddy.
Kwa mawonekedwe a ultrasonic inspection, chizindikiro chochokera ku chitsanzo chokhala ndi ndondomeko ya UD ya kalasi monga momwe tafotokozera mu JIS G 0582 idzatengedwa ngati mlingo wa alamu ndipo imakhala ndi chizindikiro chofanana kapena chachikulu kuposa mlingo wa alamu.
Pamawonekedwe a eddy pano, chizindikiro chochokera ku JIS G 0583 yokhala ndi gulu la EY chidzatengedwa ngati alamu, ndipo sipadzakhala chizindikiro chofanana kapena chokulirapo kuposa alamu.
Tchati cha Kulemera kwa Chitoliro cha JIS G 3461
Zomwe zili mu tchati cholemera zimachokera ku ndondomeko yomwe ili pansipa.
W=0.02466t(Dt)
WKulemera kwa chitoliro (kg/m)
t: makulidwe a chitoliro (mm)
D: kunja kwake kwa chitoliro (mm)
0.02466: chinthu chotembenuza chopezera W
Njira yomwe ili pamwambayi ndi kutembenuka kutengera kuchuluka kwa machubu achitsulo a 7.85 g/cm³ ndipo zotsatira zake zimazunguliridwa mpaka ziwerengero zitatu zofunika.
Dimensional Tolerance ya JIS G 3461
Kulekerera Panja Diameter
Kulekerera pa Makulidwe a Khoma ndi Eccentricity
Kulekerera Pautali
Maonekedwe
Mawonekedwe amkati ndi akunja a chitoliro chachitsulo ayenera kukhala osalala komanso opanda zilema zosayenera kugwiritsa ntchito.Pakuti kukana kuwotcherera zitsulo chitoliro, kutalika kwa weld mkati ≤ 0.25mm.
Kwa mapaipi achitsulo omwe ali ndi OD ≤ 50.8mm kapena makulidwe a khoma ≤ 3.5mm, M'KATI PA misasa ≤ 0.15mm ingafunike.
Pamwamba pa chitoliro chachitsulo chikhoza kukonzedwa ndi kupera ndi kupukuta, makina, kapena njira zina.Bola kukonzedwa khoma makulidwe
ili mkati mwa kulekerera kwa khoma lotchulidwa, ndipo pamwamba pa gawo lokonzedwanso lidzakhala losalala.
Kuyika chizindikiro
Tengani njira yoyenera yolembera mfundo zotsatirazi.
a) Chizindikiro cha kalasi;
b) Chizindikiro cha njira yopangira;
c) Makulidwe: kunja awiri ndi khoma makulidwe;
d) Dzina la wopanga kapena mtundu wake.
Mapulogalamu a JIS G 3461
Amagwiritsidwa ntchito makamaka pamapaipi amadzi, mapaipi a flue, mapaipi apamwamba kwambiri, ndi mapaipi otenthetsera mpweya m'ma boiler, machubu achitsulo cha carbon awa amagwiritsidwa ntchito kuzindikira kusinthana kwa kutentha mkati ndi kunja kwa chubu.
Kuonjezera apo, machubuwa amagwiritsidwa ntchito kwambiri m'mafakitale a mankhwala ndi mafuta opangira kutentha, machubu a condenser ndi machubu othandizira.
Komabe, iwo si oyenera kuyaka chotenthetsera machubu ndi kutentha exchanger machubu kutentha otsika.
JIS G 3461 Equivalent Standard
Zathu Zogwirizana
Chiyambireni kukhazikitsidwa mu 2014, Botop Steel yakhala ikugulitsa chitoliro chachitsulo cha carbon ku Northern China, chomwe chimadziwika ndi ntchito zabwino kwambiri, zinthu zamtengo wapatali, komanso zothetsera mavuto.Kampaniyi imapereka mapaipi osiyanasiyana a zitsulo za carbon ndi zinthu zomwe zimagwirizana nazo, kuphatikizapo zopanda msoko, ERW, LSAW, ndi chitoliro chachitsulo cha SSAW, komanso mzere wathunthu wazitsulo ndi flanges.
Zopangira zake zapadera zimaphatikizanso ma alloys apamwamba kwambiri ndi zitsulo zosapanga dzimbiri za austenitic, zopangidwa kuti zikwaniritse zofunikira zama projekiti osiyanasiyana a mapaipi.
Tags: jis g 3461, stb310, stb410, stb510, chitoliro cha chitsulo cha carbon, ogulitsa, opanga, mafakitale, ogulitsa, makampani, ogulitsa, kugula, mtengo, quotation, zambiri, zogulitsa, mtengo.
Nthawi yotumiza: May-11-2024