S355 J0 Spiral Seam Welded Pipe For Sale
Ndife okondwa kukudziwitsani zaposachedwa kwambiri,S355 J0 Chitoliro Chachitsulo Chozungulira, yomwe ndi chitoliro cha spiral seam welded chopangidwa ndi koyilo yachitsulo yapamwamba kwambiri ngati zopangira.Mapaipi athu ozungulira amsongole amapangidwa pogwiritsa ntchito njira yowotcherera ya arc yokhazikika yokhala ndi mbali ziwiri.
Mechanical Property
kalasi yachitsulo | mphamvu zochepa zokolola | Kulimba kwamakokedwe | Kutalikira pang'ono | Mphamvu zochepa zomwe zimakhudzidwa | ||||
Mpa | % | J | ||||||
Makulidwe odziwika | Makulidwe odziwika | Makulidwe odziwika | pa kutentha kwa mayeso a | |||||
mm | mm | mm | ||||||
<16 | >16≤40 | <3 | ≥3≤40 | ≤40 | -20 ℃ | 0 ℃ | 20 ℃ | |
Chithunzi cha S235JRH | 235 | 225 | 360-510 | 360-510 | 24 | - | - | 27 |
Chithunzi cha S275J0H | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
Chithunzi cha S275J2H | 27 | - | - | |||||
Chithunzi cha S355J0H | 365 | 345 | 510-680 | 470-630 | 20 | - | 27 | - |
Chithunzi cha S355J2H | 27 | - | - | |||||
Chithunzi cha S355K2H | 40 | - | - |
S355 J0 Spiral Steel Tube imamangidwa molunjika komanso mwaluso kuonetsetsa kuti ikhazikika komanso yodalirika pakuchita kwake.Ndi otsika aloyi mkulu-mphamvu structural mbale zitsulo, chimagwiritsidwa ntchito popanga makina, makina olemera mafakitale, makina zomangamanga, migodi makina, malasha migodi makina, nyumba mlatho, cranes, jenereta, zida mphamvu mphepo, mayendedwe ndi mafakitale ena.Zipolopolo, zigawo zokakamiza, makina opangira nthunzi, magawo ophatikizidwa, zida zamakina.
Chimodzi mwazinthu zazikulu za S355 J0 Spiral Steel Tube ndi kusinthasintha kwake.Mipope yachitsulo yozungulira imagwiritsidwa ntchito kwambiri ndipo imatha kukwaniritsa zosowa zosiyanasiyana zamafakitale osiyanasiyana.Kaya ndi makina olemera kapena ntchito zamapangidwe, chitolirochi chimapereka magwiridwe antchito ndi mphamvu zapadera, zomwe zimapangitsa kuti zikhale zoyenera pazofunikira.
Chemical Composition
Chitsulo kalasi | Mtundu wa de-oxidation a | % ndi misa, pazipita | ||||||
Dzina lachitsulo | Nambala yachitsulo | C | C | Si | Mn | P | S | Nb |
Chithunzi cha S235JRH | 1.0039 | FF | 0,17 | - | 1,40 | 0,040 | 0,040 | 0.009 |
Chithunzi cha S275J0H | 1.0149 | FF | 0,20 | - | 1,50 | 0,035 | 0,035 | 0,009 |
Chithunzi cha S275J2H | 1.0138 | FF | 0,20 | - | 1,50 | 0,030 | 0,030 | - |
Chithunzi cha S355J0H | 1.0547 | FF | 0,22 | 0,55 | 1,60 | 0,035 | 0,035 | 0,009 |
Chithunzi cha S355J2H | 1.0576 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | - |
Chithunzi cha S355K2H | 1.0512 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | - |
a.Njira ya deoxidation imayikidwa motere: | ||||||||
FF: Chitsulo chopha kwathunthu chokhala ndi zinthu zomangira za nayitrogeni mu kuchuluka kokwanira kumanga nayitrogeni yomwe ilipo (mwachitsanzo min. 0,020 % okwana Al kapena 0,015 % sungunuka Al). | ||||||||
b.Kuchuluka kwa nayitrogeni sikugwira ntchito ngati mankhwala akuwonetsa kuchuluka kwa Al zomwe zili 0,020 % ndi chiŵerengero chochepa cha Al/N cha 2:1, kapena ngati zinthu zina zokwanira za N-binding zilipo.Zinthu zomangiriza za N zidzalembedwa mu Inspection Document. |
Ku Cangzhou Spiral Steel Pipe Group Co., Ltd., timanyadira luso lathu lopanga zinthu zamakono.Ndi mizere 13 yopanga mipope yachitsulo yozungulira, ndi mizere 4 yopanga zotsutsana ndi dzimbiri komanso njira zotchinjiriza matenthedwe, takhala ogulitsa otsogola pamsika.Ukadaulo wathu wapamwamba wopanga umatithandiza kupanga mapaipi achitsulo ozungulira okhala ndi mainchesi a Φ219-Φ3500mm ndi makulidwe a khoma la 6-25.4mm.
Tadzipereka kupereka zinthu zabwino kwambiri zomwe zimakwaniritsa miyezo yapamwamba kwambiri yamakampani.Gulu lathu la akatswiri aluso limatsimikizira kuti chitoliro chilichonse chimayang'aniridwa mwamphamvu kuti chikhale champhamvu, kulimba komanso magwiridwe antchito.Kuphatikiza apo, timayika patsogolo kukhutira kwamakasitomala ndikupereka chithandizo chabwino kwambiri pambuyo pogulitsa kwa makasitomala athu ofunikira.
Ndi S355 J0 Spiral Steel Pipe yathu, mutha kudalira mtundu wapamwamba komanso kudalirika komwe mtundu wathu umayimira.Kaya muli mumakina olemera kapena mafakitale omanga, mapaipi athu achitsulo ozungulira amapitilira zomwe mukuyembekezera ndikupereka zotsatira zabwino kwambiri.
Sankhani Cangzhou Spiral Steel Pipe Group Co., Ltd. pazosowa zanu zonse zachitsulo zozungulira.Gwirizanani nafe lero ndikuwona zomwe sizingafanane nazo komanso kudalirika kwazinthu zathu.
Kuyesedwa kwa Hydrostatic
Utali uliwonse wa chitoliro uyenera kuyesedwa ndi wopanga ku mphamvu ya hydrostatic yomwe idzapangitse mukhoma wa chitoliro kupsinjika kosachepera 60% ya mphamvu zokolola zosachepera zomwe zafotokozedwa kutentha.Kupanikizika kumatsimikiziridwa ndi equation yotsatirayi:
P=2St/D
Kusiyanasiyana Kololedwa Pakulemera ndi Makulidwe
Utali uliwonse wa chitoliro uyenera kuyezedwa padera ndipo kulemera kwake sikuyenera kupitirira 10% kuposa kapena 5.5% pansi pa kulemera kwake, kuwerengeredwa pogwiritsa ntchito kutalika kwake ndi kulemera kwake pa kutalika kwake.
Kuzungulira kwakunja sikuyenera kusiyanasiyana kupitilira ± 1% kuchokera m'mimba mwake mwadzina
Makulidwe a khoma nthawi iliyonse sayenera kupitirira 12.5% pansi pa makulidwe omwe atchulidwa