ASTM A53 Kalasi B ndi chitoliro chachitsulo chowotcherera kapena chosasokonekera chokhala ndi mphamvu zochepa zokolola za 240 MPa ndi mphamvu zamakokedwe za 415 MPa zoyendetsa madzi otsika.
Mtundu wa Mapaipi a ASTM A53 Gulu B
Lembani F- Furnace-butt-welded, welded mosalekeza
Ndi njira yomwe mbale zachitsulo zimatenthedwa kale mu ng'anjo yotentha kwambiri ndikuwotcherera pogwiritsa ntchito zida zowotcherera.Powotcherera, mbale yachitsulo imatenthedwa ndi kutentha kokwanira ndipo kenako imatenthedwa mu ng'anjo pogwiritsa ntchito zowotcherera kuti apange msoko wowotcherera.Kuwotcherera mosalekeza kumatanthauza kuti mbale yachitsulo imawotchedwa mosalekeza mu ng'anjo, zomwe zimalola kupanga kutalika kwa chitoliro.
Mtundu wa E- Electric-resistance-welded
Imeneyi ndi njira yowotcherera yomwe m'mphepete mwa mbale zazitsulo zimatenthedwa ndikukanikizidwa pamodzi kuti apange weld pogwiritsa ntchito mphamvu yamagetsi kumalekezero onse a chitoliro pogwiritsa ntchito kutentha ndi kupanikizika.M'malo mogwiritsa ntchito zowotcherera zosungunula, kutentha kwachitsulo kumatenthetsa m'mphepete mwa mbale yachitsulo kuti pakhale kutentha kokwanira ndikukakamiza kupanga chowotcherera m'mphepete mwa mbale yachitsulo.
Mtundu S - Wopanda msoko
Chitoliro chosasunthika chimapangidwa mwachindunji mu chitoliro popanda seams ndi kugudubuza, kuboola, kapena extruding.
Zida zogwiritsira ntchito
Ng'anjo yotseguka, ng'anjo yamagetsi, kapena mpweya wa alkaline.
Njira imodzi kapena zingapo zitha kugwiritsidwa ntchito.
Kutentha Chithandizo
Welds mkatiType E Gulu B or Type F Gulu Bchitoliro chiyenera kutenthedwa pambuyo pa kuwotcherera ku 1000 ° F [540 ° C] kotero kuti palibe martensite osasunthika alipo, kapena kusamalidwa kuti pasakhale martensite wosasunthika.
Zofunika Zamankhwala
| Mtundu | C (Kaboni) | Mn (Manganese) | P (Phosphorus) | S (Sulfure) | Cu (Mkuwa) | N (Nickel) | Cr (Chromium) | Mo (Molybdenum) | V (Vanadium) |
| Mtundu S | 0.30b | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| Mtundu E | 0.30b | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| Mtundu F | 0.30a | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| aPakuchepetsa kulikonse kwa 0.01% pansi pamlingo womwe watchulidwa, kuchuluka kwa manganese ndi 0.06% kupitilira pamlingo womwe watchulidwa kudzaloledwa mpaka 1.35%. bPakuchepetsa kulikonse kwa 0.01% pansi pa kaboni wapakatikati, kuwonjezeka kwa 0.06% ya manganese kupitilira pamlingo womwe watchulidwa kudzaloledwa mpaka 1.65%. cKu, N, Cr.Mo ndi V: zinthu zisanu izi zitaphatikizidwa sizingadutse 1% | |||||||||
Kapangidwe kakemidwe ka ASTM A53 Grade B imakhala ndi 0.30% carbon (C), yomwe imathandizira kukhala ndi weldability wabwino komanso kuuma kwina.Zomwe zili mu manganese (Mn) ndizochepa mpaka 0.95%, zomwe zimakulitsa kukana kwake ndikuwonjezera kukana.Kuphatikiza apo, phosphorous (P) imasungidwa mpaka 0.05%, pomwe sulfure (S) imasungidwa mpaka 0.045%.Zomwe zili pansi pazigawo ziwirizi zimathandiza kukonza chiyero ndi mphamvu zonse zamakina achitsulo.
Zofunikira za Tensile
| Gulu | Kulimba kwamakokedwe, min | Zokolola mphamvu, min | Elongation mu 50 mm (2 mu) | ||
| psi | MPa | psi | MPa | Zindikirani | |
| Gulu B | 60,000 | 415 | 35,000 | 240 | Gulu X4.1 kapena Table X4.2 |
| Zindikirani: Kutalika kocheperako mu 2 mu (50 mm) kudzakhala komwe kutsimikiziridwa ndi equation iyi: e = 625000 [1940] A0.2/U0.9 e = kutalika kochepa mu 2 mu kapena 50 mm mu peresenti, yozungulira mpaka peresenti yapafupi. A = kuchepera kwa 0.75 in2(500 mm2）ndi gawo lagawo lachiyeso choyeserera, chowerengedwa pogwiritsa ntchito mawonekedwe akunja a chitoliro, kapena m'lifupi mwadzina lachitsanzo choyeserera komanso makulidwe a khoma la chitoliro, ndi mtengo wowerengeka wozungulira pafupi ndi 0.01 mu2(1 mm2). U=yodziwika mphamvu yocheperako, psi [MPa]. | |||||
Katundu wamakinawa amapangitsa kuti chitoliro chachitsulo cha ASTM A53 Grade B kukhala choyenera osati pamapaipi okha omwe amanyamula madzi, mpweya, ndi madzi ena otsika kwambiri komanso kuti azithandizira zomanga ndi zomangamanga, monga milatho ndi nsanja.
Kuyesera kwina
Bend Test
Palibe ming'alu yomwe idzapangidwe mbali iliyonse ya weld ndipo palibe zowotcherera zomwe zidzatsegulidwe msoko.
Mayeso a Flattening
Sipadzakhala ming'alu kapena ming'alu mkati, kunja, kapena kumapeto kwa chowotcherera mpaka mtunda pakati pa mbale ukhale wocheperapo kusiyana ndi mtunda wotchulidwa kwa chitoliro.
Kuyesedwa kwa Hydrostatic
Mipope yonse iyenera kuyesedwa ndi hydrostatically popanda kutayikira mu ma welds kapena matupi a mapaipi.
Kuyesedwa kwa Hydrostatic
Mipope yonse iyenera kuyesedwa ndi hydrostatically popanda kutayikira mu ma welds kapena matupi a mapaipi.
Nondestructive Electric Test
Ngati kuyesa kwamagetsi kosawonongeka kwachitika, kutalika kwake kudzalembedwa ndi zilembo "NDE."Chitsimikizo, ngati chikufunika, chidzanena Nondestructive ElectricTested ndipo chidzasonyeza kuti ndi mayesero ati omwe adagwiritsidwa ntchito.Komanso zilembo za NDE zidzawonjezedwa ku nambala yamtundu wazinthu ndi kalasi yomwe ikuwonetsedwa pachiphaso.
Mapulogalamu a Chitoliro chachitsulo cha ASTM A53 Gulu B
Kutumiza madzi: oyenera kunyamula madzi, mpweya, ndi nthunzi.
Zomanga ndi Zomangamanga: Pomanga nyumba zothandizira ndi milatho.
Kupanga makina: popanga zinthu zolemetsa monga ma bearing ndi magiya.
Makampani a Mafuta ndi Gasi: Amagwiritsidwa ntchito pomanga makina obowola ndi mapaipi.
Njira Zotetezera Moto: Zomwe zimagwiritsidwa ntchito pomanga makina opopera moto.
Air Conditioning ndi HVAC Systems: Amagwiritsidwa ntchito pomanga ma network a mapaipi.
Zida Zina za ASTM A53 Grade B
API 5L Gulu B Chitoliro: API 5L Grade B chitoliro ndi chitoliro chomwe chimagwiritsidwa ntchito kawirikawiri poyendetsa gasi ndi mafuta ndipo chimakhala ndi mankhwala ofanana ndi makina opangidwa ndi ASTM A53 Gulu B. Amagwiritsidwanso ntchito poyendetsa gasi ndi mafuta.
Chitoliro chachitsulo cha ASTM A106 Gulu B: ASTM A106 Gulu B zitsulo chitoliro ndi chinanso ntchito mpweya zitsulo chitoliro chakuthupi amene amapereka apamwamba compressive mphamvu ndi osiyanasiyana ntchito kuposa ASTM A53 Gulu B. The ASTM A106 Gulu B zitsulo chitoliro chagwiritsidwa ntchito angapo ntchito, monga popanga chitoliro chachitsulo komanso popanga chitoliro chachitsulo.
ASTM A333 Kalasi 6 Tubing Zitsulo: ASTM A333 Gulu 6 zitsulo chubu ndi cryogenic carbon zitsulo chubu kuti ntchito m'madera cryogenic, monga cryogenic firiji zida ndi cryogenic gasi kufala mapaipi.
DIN 17175 Machubu: DIN 17175 ndi muyezo wa ku Germany womwe umapereka machubu achitsulo osasunthika kuti agwiritsidwe ntchito m'malo otentha kwambiri komanso othamanga kwambiri ndipo angagwiritsidwe ntchito ngati njira ina ya ASTM A53 Grade B. Machubu amapezeka mumitundu yambiri ndi makulidwe.
EN 10216-2 Machubu: Muyezo wa EN 10216-2 umapereka machubu achitsulo osasunthika ogwiritsira ntchito zokakamiza, oyenera kugwiritsidwa ntchito pa kutentha kwambiri komanso kupanikizika kwambiri, komanso m'malo mwa ASTM A53 Gulu B.
Botop Steel ndi China Professional Welded Carbon Steel Pipes Wopanga & Suppliers Kwazaka 16 ndi 8000+ Matani a Seamless Line pipe mu Stock Mwezi uliwonse.Kuti ndikupatseni ntchito zamaluso komanso zogwira mtima.
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Nthawi yotumiza: Mar-19-2024