ASTM A335 P5, inozivikanwawo seASME SA335 P5, ipombi yesimbi isina musono ine simbi shoma yakagadzirirwa kushandiswa pakupisa kwakanyanya.
P5 ine 4.00 ~ 6.00% chromium uye 0.45 ~ 0.65% molybdenum, inopa simba rakanaka uye mashandiro akanaka pasi pekupisa kwakanyanya uye kumanikidzwa. Inoshandiswa zvakanyanya mumidziyo yakaita semaboilers, masuperheaters, uye maheat exchangers.
Zita rayo reUNS iK41545.
Mugadziri uye Mamiriro
Mapaipi esimbi eASTM A335 P5 anofanira kugadzirwa nenzira isina musono uye anofanira kunge akagadzirwa nekupisa kana kutorwa nechando, sezvakatsanangurwa.
Mapaipi anopisa mapaipi esimbi asina musono anogadzirwa kubva kumabheti kuburikidza nekudziisa nekumoneredza, nepo mapaipi anotonhorera ari mapaipi esimbi asina musono anogadzirwa nekukwevera mapaipi anopisa patembiricha yemumba.
Kana uchida kudzidza zvakawanda nezvemaitiro ekugadzira marudzi maviri aya emapombi esimbi asina musono, unogona kudzvanya"Chii chinonzi Seamless Steel Pipe?""kuti uwane rumwe ruzivo.
Kurapa Kupisa
Mapaipi eASTM A335 P5 anofanira kudziiswazve kuti apiswe uye apiswe neannealing yakazara kana kuti isingatsvedzere or kugadzirisa uye kugadzirisa.
Zvinodiwa chaizvo zvinoratidzwa mutafura iri pazasi:
| Giredhi | Rudzi rwekupisa | Kupisa kana Kupisa Kusina Kukosha |
| ASTM A335 P5 | anneal yakazara kana kuti isingatsvedzere | — |
| kugadzirisa uye kushatirwa | 1250 ℉ [675 ℃] maminiti |
Mabasa anosanganisira kupisa mapaipi esimbi pamusoro pekupisa kwawo kwakanyanya, akadai sekushongedza, kuputira, uye kukotamisa kupisa, anofanira kuteverwa nekupisa kwakakodzera.
Nzira dzekuyedza kuumbwa kwemakemikari uye hunhu hwemakanika emapombi esimbi eP5 dzinofanira kutevedzera zvinodiwa neASTM A999.
| Giredhi | Kuumbwa, % | ||||||
| C | Mn | P | S | Si | Cr | Mo | |
| P5 | 0.15 yakakwira | 0.30 ~ 0.60 | 0.025 yepamusoro | 0.025 yepamusoro | 0.50 yakakwira | 4.00 ~ 6.00 | 0.45 ~ 0.65 |
Zvivakwa zveKusimba
| Giredhi | Simba reKusimba | Simba reGoho | Kureba mu 2 in. kana 50 mm |
| P5 | 60 ksi [415 MPa] miniti | 30 ksi [205 MPa] miniti | 30% maminiti |
Zvimiro zveKuoma
Mutemo weASTM A335 hautsananguri chero zvinodiwa pakuoma kwemapaipi esimbi eP5.
Muedzo weKubata-bata
Kuedzwa kwekutsvedza kunofanira kuitwa uye kutorwa sampuli zvichienderana nezvinodiwa zveASTM A999, uye magumo emapaipi akachekwa anogona kushandiswa semienzaniso.
Bvunzo reKukombama
Pamapaipi ane dhayamita inodarika NPS 25 uye ane dhayamita nehupamhi hwemadziro ari 7.0 kana pasi anofanira kuedzwa kuti akombe panzvimbo pekuyedzwa kuti apfave.
Mienzaniso yekuyedza kukotama inofanira kukotama patembiricha yemukamuri kusvika pa180° pasina kutsemuka kunze kwechikamu chakakotama. Dhayamita yemukati yekukotama inofanira kuva 1 in. [25 mm].
Chitarisiko
Pamusoro pepombi yesimbi panofanira kunge pakanyatsotsetseka uye zvakaenzana, pasina makwande, misono, mipendero, kubvaruka, kana zvidimbu.
Kana kudzika kwechinhu chipi nechipi chisina kunaka kuchipfuura 12.5% yeukobvu hwemadziro hwakatarwa kana kuti ukobvu hwemadziro hwasara huri pasi peukobvu hwakatarwa, nzvimbo yacho inofanira kuonekwa seyakashata.
Kana ukobvu hwemadziro asara huchiri mukati memiganhu yakatarwa, dambudziko racho rinogona kubviswa nekukuya.
Kana ukobvu hwemadziro asara huri pasi pezvinodiwa zvishoma, dambudziko racho rinofanira kugadziriswa nekunamira kana kubviswa nekucheka.
Dhayamita Kushivirira
Pamapaipi akarairwa neNPS [DN] kana dhayamita yekunze, kusiyana kwedhayamita yekunze hakufanirwe kudarika zvinodiwa zvinoratidzwa mutafura iri pazasi:
| Mugadziri weNPS [DN] | Misiyano Inobvumidzwa | |
| mukati. | mm | |
| 1/8 kusvika 1 1/2 [6 kusvika 40], inchi. | ±1/64 [0.015] | ± 0.40 |
| Inopfuura 1 1/2 kusvika 4 [40 kusvika 100], inchi. | ±1/32 [0.031] | ± 0.79 |
| Kupfuura 4 kusvika 8 [100 kusvika 200], inchi. | -1/32 - +1/16 [-0.031 - +0.062] | -0.79 - +1.59 |
| Kupfuura 8 kusvika 12 [200 kusvika 300], inchi. | -1/32 - +3/32 [-0.031 - 0.093] | -0.79 - +2.38 |
| Vanopfuura 12 [300] | ± 1% yedhayamita yekunze yakatarwa | |
Kana mapaipi akarongwa kuita dhayamita yemukati, dhayamita yemukati haifanirwe kusiyana ne1% kubva padhayamita yemukati yakatarwa.
Kushivirira Kwehukobvu Hwemadziro
Pamusoro pekuganhurira kusina kujeka kweukobvu hwemadziro epombi hunokonzerwa nekuganhurira kwehuremu muASTM A999, ukobvu hwemadziro epombi chero nguva hunofanira kunge huri mukati memiganhu yakatarwa mutafura iri pazasi:
| Mugadziri weNPS [DN] | Kushivirira, % fomu Yakatsanangurwa |
| 1/8 kusvika 2 1/2 [6 kusvika 65] kusanganisira zviyero zvese zve t/D | -12.5 - +20.0 |
| Pamusoro pe 2 1/2 [65], t/D ≤ 5% | -12.5 - +22.5 |
| Pamusoro pe 2 1/2, t/D ＞ 5% | -12.5 - +15.0 |
| t = Ukobvu Hwakatarwa hweMadziro; D = Dhayamita Yekunze Yakatarwa. | |
Mapaipi esimbi eASTM A335 P5 anonyanya kushandiswa mumapaipi anoshanda mumamiriro ekupisa kwakanyanya uye kumanikidzwa kwakanyanya.
Nekuda kwekudzivirira kupisa kwakanyanya uye hunhu hwadzo hwemakanika, dzinoshandiswa zvakanyanya mumaindasitiri emafuta, kugadzira magetsi, uye kucheneserwa.
Mashandisirwo chaiwo anosanganisira:
- Mapaipi ebhoira
- Zvinochinja-chinja kupisa
- Mitsetse yemaitiro ePetrochemical
- Mapaipi emagetsi
- Midziyo yekumanikidza yebhoyira
| ASME | ASTM | EN | JIS |
| ASME SA335 P5 | ASTM A213 T5 | EN 10216-2 X11CrMo5+I | JIS G 3458 STPA25 |
Zvinyorwa:mapaipi esimbi asina musono eASTM A335 P5 uye zvinosungirirwa;
Saizi:1/8" kusvika 24", kana kuti yakagadzirirwa zvinoenderana nezvaunoda;
Kureba:Kureba kusingatarisirwi kana kuchekwa zvichienderana nekuraira;
Kurongedza:Kupfeka kwakasviba, magumo akachekwa, zvidziviriro zvemapombi, mabhokisi emapuranga, nezvimwewo.
Tsigiro:Chitupa cheIBR, kuongororwa kweTPI, MTC, kucheka, kugadzirisa, uye kugadzirisa;
MOQ: (Zvinyorwa zveMOQ):1 m;
Mitemo Yekubhadhara:T/T kana L/C;
Mutengo:Tibatei kuti muwane mitengo yemapaipi esimbi eT11 yazvino.
