ASTM A334 tube su ne carbon da gami karfe shambura tsara don low-zazzabi aikace-aikace da kerarre ta amfani da sumul da welded matakai.
Wasu girman samfuran ƙila ba za su kasance a ƙarƙashin wannan ƙayyadaddun bayanai ba saboda kaurin bango mai nauyi yana da mummunan tasiri akan kaddarorin tasiri mai ƙarancin zafin jiki.
Rarraba Darajoji
ASTM A334 yana ƙunshe da maki da yawa don mahalli masu ƙarancin zafi daban-daban.
Darasi na 1, Darasi na 3, da na 6, da na 7, da na 8, da na 9, da na 11.
Maki nacarbon karfe bututusu neDarasi na 1kumaDarasi na 6.
Makin da ya dace donAlloy karfe tubes ne Grade 3, Grade 7, Grade 8, Grade 9, da kuma Grade 11.
Kowane sa na karfe yana da takamaiman abun da ke ciki na sinadarai da buƙatun kaddarorin injina, da ƙaramin ma'aunin gwajin tasirin tasiri waɗanda dole ne a cika su.
Hanyoyin sarrafawa
Za a yi bututun ta hanyarmko atomatiktsarin waldaba tare da ƙarin ƙarfe mai filler a cikin aikin walda ba.
Maganin zafi
Darasi na 1, 3, 6, 7, da 9
Daidaita ta dumama zuwa daidaitaccen zafin jiki wanda bai ƙasa da 1550 °F [845 ° C] da sanyi a cikin iska ko cikin ɗakin sanyaya na tanderun da ke sarrafa yanayi ba.
Idan ana buƙatar fushi, zai buƙaci a yi shawarwari.
Don maki na sama na bututun ƙarfe maras sumul kawai:
Maimaita da sarrafa zafi mai zafi da zafin jiki na aikin gamawa mai zafi zuwa kewayon zafin jiki na ƙarshe daga 1550 - 1750 °F [845 - 955 ℃] da sanyi a cikin tanderun yanayi mai sarrafawa daga farkon zafin jiki na ƙasa da 1550 °F [ 845 ° C.
Darasi na 8
Zaɓi kowane ɗayan waɗannan hanyoyin don maganin zafi.
Ƙarshe da Haushi;
Sau biyu Daidaita da Haushi.
Darasi na 11
Ko don soke bututun Grade 11 shine kowace yarjejeniya tsakanin mai siye da mai kaya.
Lokacin da aka goge bututun Grade 11 za a daidaita su a cikin kewayon 1400 - 1600 ℉ [760 - 870 ° C].
ASTM A334 Abubuwan Chemical
Don Karfe na Mataki na 1 ko na 6, ba a ba da izinin samar da maki ga kowane abu banda waɗanda ake buƙata a fili.Duk da haka, an ba da izini don ƙara abubuwan da suka dace don deoxidation na karfe.
Gwajin Injini na ASTM A334
Bukatun kadarorin injina ba su shafi bututun da ke ƙasa da 1/8 in. [3.2 mm] a diamita na waje kuma tare da kaurin bango ƙarƙashin 0.015 in. [0.4 mm].
1. Dukiya mai ƙarfi
Ƙididdigar ƙaramar elongation don kowane inch 1/32 [0.80] raguwa a kaurin bango:
Don tubing ƙasa da 1/2 in. [12.7 mm] a cikin diamita na waje, za a yi amfani da ƙimar tsawo da aka bayar don samfuran tsiri.
2. Gwajin Tasiri
Zaɓi madaidaicin zafin jiki da ƙarfin tasiri mai dacewa dangane da daraja da kauri na bango.
Ƙarfin Tasiri
Tasiri Zazzabi
| Daraja | Tasirin Yanayin Gwajin | |
| ℉ | ℃ | |
| Darasi na 1 | -50 | -45 |
| Darasi na 3 | -150 | -100 |
| Darasi na 6 | -50 | -45 |
| Darasi na 7 | -100 | -75 |
| Darasi na 8 | -320 | -195 |
| Darasi na 9 | -100 | -75 |
3. Gwajin Tauri
| Daraja | Rockwell | Brinell |
| Darasi na 1 | B 85 | 163 |
| Darasi na 3 | B 90 | 190 |
| Darasi na 6 | B 90 | 190 |
| Darasi na 7 | B 90 | 190 |
| Darasi na 8 | - | - |
| Darasi na 11 | B 90 | 190 |
4. Gwajin Lalacewa
Za a yi gwajin ƙwanƙwasa ɗaya akan samfurori daga kowane ƙarshen bututu da aka gama na kowane kuri'a amma ba wanda aka yi amfani da shi don gwajin flare ko flange ba.
5. Gwajin wuta (Bututun da ba su da kyau)
Za a yi gwajin walƙiya ɗaya a kan samfurori daga kowane ƙarshen bututun da aka gama na kowane ƙuri'a, amma ba wanda aka yi amfani da shi don gwajin ƙura ba.
6. Gwajin Flange (Welded Tubes)
Za a yi gwajin flange ɗaya akan samfurori daga kowane ƙarshen bututun da aka gama na kowane ƙuri'a, amma ba wanda aka yi amfani da shi don gwajin ƙura ba.
7. Reverse Flattening Test
Don bututun da aka yi wa walda, za a yi gwajin ƙwanƙwasa baya ɗaya a kan samfuri daga kowane bututu mai tsayin mita 460.
Gwajin lantarki na Hydrostatic ko Nodestructive Electric
Kowane bututu za a gwada shi ba tare da lalacewa ta hanyar lantarki ba ko kuma a gwada shi ta hanyar ruwa bisa ƙayyadaddun A1016/A1016M.
Aikace-aikace don ASTM A334 Karfe bututu
Ana amfani da shi da farko don jigilar ruwa ko iskar gas kamar iskar gas, mai, da sauran sinadarai a ƙananan zafin jiki.
1. Cryogenic bututu tsarin: wanda aka fi amfani da shi wajen gina tsarin bututun don safarar magudanar ruwa (misali iskar iskar gas, ruwa nitrogen).Saboda kyawawan kaddarorin sa na cryogenic, yana iya kiyaye ƙarfin injina da ƙarfi a cikin ƙananan yanayin zafi.
2. Masu musayar zafi da na'urorin haɗi: Ana iya amfani da masu musanya zafi da na'urori masu zafi yadda ya kamata don sanyaya ko zafi sarrafa kafofin watsa labarai, musamman a masana'antar sinadarai da petrochemical.
3. Tasoshin matsin lambaHakanan za'a iya amfani dashi don kera tasoshin matsa lamba da aka tsara don ayyukan cryogenic.Ana iya amfani da waɗannan tasoshin don adana sinadarai na cryogenic ko don hanyoyin masana'antu na musamman.
4. Tsarin firiji da kayan aiki: Ana amfani da waɗannan bututu don safarar firji, musamman ma inda ake buƙatar kayan ƙarancin zafin jiki.
ASTM A334 Daidai Daidai
EN 10216-4: Yana maida hankali ne akan bututun ƙarfe da ba a haɗa su ba, waɗanda ke da ƙayyadaddun ƙarancin zafin jiki.
Farashin G3460: yana da alaƙa da bututun ƙarfe na gami don sabis na cryogenic.
GB/T 18984: ya shafi bututun ƙarfe maras nauyi don tasoshin matsin lamba na cryogenic.Yana ƙayyadad da dalla-dalla da ƙira da kera bututun ƙarfe wanda ya dace da matsanancin yanayin zafi.
Duk da yake waɗannan ka'idodin na iya bambanta da cikakkun bayanai da takamaiman buƙatu, suna kama da maƙasudin su gaba ɗaya da aikace-aikacen su, wanda shine tabbatar da aminci da aikin bututun ƙarfe a cikin mahallin cryogenic.
Kayayyakinmu masu alaƙa
Tun lokacin da aka kafa shi a cikin 2014, Botop Steel ya zama babban mai samar da bututun ƙarfe na carbon a Arewacin kasar Sin, wanda aka sani don kyakkyawan sabis, samfurori masu inganci, da cikakkun mafita.
Kamfanin yana ba da nau'ikan bututun ƙarfe na carbon da samfuran da ke da alaƙa, waɗanda suka haɗa da marasa ƙarfi, ERW, LSAW, da bututun ƙarfe na SSAW, da kuma cikakken jeri na kayan aikin bututu da flanges.Kayayyakinsa na musamman sun haɗa da gawa mai daraja da austenitic bakin karafa, waɗanda aka keɓance don biyan buƙatun ayyukan bututun.
Tags: ASTM A334, carbon karfe bututu, astm A334 gr 6, A334 gr 1.
Lokacin aikawa: Mayu-20-2024