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ASTM A334 Grade 6 LASW Carbon Karfe Bututu don Ƙananan Zazzabi

Takaitaccen Bayani:

Matsayin aiwatarwa: ASTM A334;
Mataki: 6 ko gr 6;
Abu: carbon karfe bututu;
Hanyoyin sarrafawa: LSAW;
Girman diamita na waje: 350-1500m;
Kaurin bango: 8-80mm;
Kayan aiki: galibi ana amfani da su a wuraren samar da iskar iskar gas, injiniyoyin polar da fasahar refrigeration, wanda ya dace da matsananciyar yanayin zafi.

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Bayani na ASTM A334

ASTM A334Darasi na 6bututun ƙarfe ne mai ƙarfi, ƙananan zafin jiki tare da matsakaicin abun ciki na carbon na 0.30%, abun ciki na manganese na 0.29-1.06%, ƙaramin ƙarfi na 415Mpa (60ksi), da ƙarfin amfanin ƙasa na 240Mp (35ksi).

Ana amfani da shi musamman a fagen samar da iskar gas mai ruwa, injiniyan igiya, da fasahar sanyaya, wanda ya dace da mahalli masu ƙarancin zafi.

Rarraba Darajoji

ASTM A334daidaitaccen ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun carbon ne mara ƙarfi da welded da bututun ƙarfe na gami don aikace-aikacen cryogenic.

Akwai maki da yawa don biyan buƙatu daban-daban.

Darasi na 1, Darasi na 3, da na 6, da na 7, da na 8, da na 9, da na 11.

Darasi na 1kuma Grade 6 duka biyu ne carbon karfe bututu.

Hanyoyin sarrafawa

ASTM A334 Grade 6 karfe bututu za a iya samar da sumul ko welded matakai.

Hanyoyin walda sun haɗa da hanyoyi daban-daban kamarwaldi juriya na lantarki (ERW)kumawelding baka (SAW).

Da ke ƙasa, shine tsarin samarwa donWelding Arc Na Tsayi (LSAW).

A matsayin mai sana'a na bututun ƙarfe na welded, muna iya saduwa da takamaiman bukatun abokan cinikinmu daban-daban, suna ba da nau'ikan zaɓuɓɓukan samfuri don tabbatar da mafi kyawun aiki da inganci ga kowane aikace-aikacen.

Amfanin LSAW Karfe Bututu

Weld guda ɗaya na bututun LSAW yana haɓaka ƙarfin bututun sosai, yana ba shi damar jure matsi mafi girma.

Bugu da kari, ya dace da samar da babban diamita da kauri mai kauri da bututun karfe wanda ya dace da bukatun ASTM A334 Grade 6 a cikin manyan masana'antu da tsarin isar da makamashi, kamar a cikin ginin manyan iskar gas mai ruwa. LNG) kayan aiki.

A lokaci guda, madaidaicin ikon sarrafa bututu yana tabbatar da daidaiton diamita na bututu da kaurin bango don ingantacciyar amincin haɗin gwiwa da rigakafin zubar ruwa a cikin tsarin bututun.

Maganin zafi

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.

Abubuwan sinadaran

Abubuwan sinadaran na ASTM A334 Grade 6 bututun ƙarfe an ƙera su don tabbatar da kyawawan kaddarorin inji a ƙananan yanayin zafi da isasshen ƙarfi don ingantaccen sabis a ƙarƙashin matsanancin yanayi.

Daraja C
(Carbon)
Mn
(Manganese)
P
(Phosphorus)
S
(sulfur)
Si
(Silikon)
Darasi na 6 max 0.30 0.29-1.06 max 0.025 max 0.025 min 0.10
Ga kowane raguwar 0.01 % carbon ƙasa da 0.30 %, haɓakar 0.05 % manganese sama da 1.06 % za a ba da izini zuwa matsakaicin 1.35 % manganese.

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.

ASTM A334 Grade 6 Abubuwan Tensile

ASTM A334 Grade 6 Abubuwan Tensile

Gwajin Tasiri

Ana gudanar da gwaje-gwajen tasiri akan bututun ƙarfe na Grade 6 a -45°C [-50°F] a matsayin hanyar tabbatar da ƙarfi da juriya na kayan a cikin ƙananan yanayin zafi.

An gudanar da gwajin ta hanyar zabar makamashi mai tasiri mai dacewa bisa kaurin bango na bututun ƙarfe.

Ƙarfin Tasirin ASTM A334

Ƙididdiga mafi ƙanƙantar ƙimar haɓakawa ga kowane 1/32 in. [0.80 mm] raguwa a kaurin bango.

ASTM A334 Matsayi na 6 mafi ƙarancin ƙididdigewa

Tauri

 
Daraja Rockwell Brinell
Bayani na ASTM A334 B 90 190

Gwajin Hydrostatic ko Gwajin Wutar Lantarki mara lalacewa

Kowane bututu za a gwada shi ba tare da lalacewa ta hanyar lantarki ko na ruwa ba daidai da ƙayyadaddun A1016/A1016M.

Sai dai in an bayyana shi a cikin odar siyayya, nau'in gwajin da za a yi amfani da shi zai kasance a zaɓi na masana'anta.

Sauran Shirye-shiryen Gwaji

Gwajin Lalacewa

Gwajin Fitowa (Tututu maras sumul)

Gwajin Flange (Bututun Welded)

Juya Lalacewar Gwajin

Aikace-aikace don ASTM A334 Grade 6 Karfe Bututu

1. Liquefied Natural Gas (LNG) wurare: Saboda kyawawan kaddarorin yanayin zafi, Grade 6 karfe bututu ana amfani da ko'ina a cikin samar da LNG, ajiya da kuma wuraren sufuri.Waɗannan wurare suna buƙatar kayan da ke kula da ƙarfi mai ƙarfi da tauri mai kyau a cikin ƙananan yanayin zafi.

2. Tsarin sufuri na mai da iskar gas: ana amfani da shi don jigilar ruwa ko iskar gas, kamar iskar gas mai ruwa (LPG) da sauran ruwa masu ƙarancin zafi a cikin yanayin ƙarancin zafi.

3. Fasahar firiji da wuraren ajiyar sanyi: Wannan kuma ya shafi sauran wuraren fasahar refrigeration, kamar tsarin daskarewa da tsarin adana sanyi a cikin sarrafa abinci da sauran hanyoyin sinadarai waɗanda ke buƙatar aiki mai ƙarancin zafin jiki.

4. Injiniya na Polar: A cikin ayyukan injiniya a yankunan polar, irin su tashoshin bincike na kimiyya a cikin Arctic ko Antarctica, ana amfani da su don gina tsayayyen tsarin jigilar kayayyaki da tsarin da dole ne su iya tsayayya da matsanancin sanyi da yanayin muhalli.

5. Tsarin kwantar da iska da masu musayar zafi: Har ila yau ana amfani da su a cikin manyan tsarin kwantar da iska da masu musayar zafi, waɗanda ke buƙatar yin aiki da kyau a ƙananan yanayin zafi don tabbatar da ingantaccen tsarin da aminci.

6. Injiniyan wutar lantarki da tashoshin wutar lantarki: A cikin ayyukan injiniya na musamman na wutar lantarki, kamar wasu nau'ikan tashoshin wutar lantarki, ana iya amfani da bututun ƙarfe na Grade 6 don ɗaukar ruwa ko gas a ƙananan yanayin zafi don tabbatar da aminci da ingantaccen aiki na tsarin.

ASTM A334 Grade 6 Daidai Material

TS EN 10216-4: P265NL: Yafi amfani da cryogenic matsa lamba tasoshin da kuma cryogenic piping tsarin, yana da kyau tauri da ƙarfi da kuma dace da amfani a cikin cryogenic yanayi.

DIN 17173:TTSt41N: An tsara shi don aikace-aikacen ƙananan zafin jiki, yana ba da kyakkyawan aiki na ƙananan zafin jiki kuma ana amfani dashi da yawa a cikin kayan aiki da bututun da ke buƙatar yanayin aiki mai ƙananan zafin jiki.

JIS G3460:STPL46: An yi amfani da shi don tsarin sufuri na bututu a cikin ƙananan yanayin zafi, mai iya jurewa wasu ƙananan tasirin zafi da matsa lamba.

GB/T 18984:09Mn2V: Wannan kayan ya ƙware ne a cikin kera bututun ƙarfe marasa ƙarfi don amfani da su a cikin ƙananan yanayin zafi, tare da ƙarancin ƙarancin zafin jiki mai ƙarfi da juriya.

Lokacin zabar waɗannan makamantan kayan, yana da mahimmanci don tabbatar da cewa abubuwan sinadaran su da kaddarorin injina sun cika ka'idodin aikace-aikacen da ake buƙata da buƙatun aiki.

Ya kamata a kwatanta waɗannan sigogi daki-daki kuma ana iya buƙatar ƙarin gwaji da takaddun shaida don tabbatar da dacewa da aikin kayan.

Amfaninmu

 

Tun lokacin da aka kafa shi a cikin 2014, Botop Karfe ya zama babban mai samar da kayayyakicarbon karfe bututua Arewacin kasar Sin, wanda aka sani da kyakkyawan sabis, samfurori masu inganci, da cikakkun hanyoyin warwarewa.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.


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