Matsayin ASTM A276 da ASTM A479 na Sandunan Bakin Karfe

Gabatarwa

Lokacin kwatantawaMatsayin ASTM A276 da ASTM A479 na Sandunan Bakin Karfe, masu siye ya kamata su zaɓi ASTM A276 don sandunan bakin ƙarfe na gabaɗaya da siffofi da ake amfani da su a cikin injina, shafts, manne, sanduna, sassan gini da sassan masana'antu, yayin da ASTM A479 ya fi dacewa lokacin da aka yi nufin sandunan bakin ƙarfe don tukunyar ruwa, tasoshin matsin lamba, kayan aikin matsin lamba, bawuloli, famfo da sabis mai zafi ko matsin lamba. Duk ƙa'idodi biyu na iya rufe nau'ikan ƙarfe iri ɗaya, amma ana yawan buƙatar ASTM A479 don ayyukan injiniya masu alaƙa da matsin lamba inda ake buƙatar yanayin aikace-aikace mai tsauri, tabbatar da injina, yanayin maganin zafi da sarrafa takardu.

A cikin sayayya ta zahiri, ASTM A276 da ASTM A479 ba kayan ƙarfe biyu ne daban-daban ba. Ma'aunin samfura ne daban-daban waɗanda ke ayyana sandunan ƙarfe da siffofi don yanayin amfani daban-daban. Zaɓin kayan ƙarshe har yanzu ya dogara da matakin, lambar UNS, abubuwan da ke cikin sinadarai, halayen injiniya, yanayin tsatsa, zafin jiki, diamita, ƙarewar saman, haƙuri, EN 10204 3.1 MTC, sarrafa lambar zafi, gwajin PMI, gwajin UT da buƙatun dubawa na ɓangare na uku.

SAKY STEEL tana samar da sandar zagaye ta bakin karfe, sandar lebur, sandar murabba'i, sandar hex, sandar da aka ƙirƙira da sandar ƙarfe ta musamman bisa ga ƙa'idodin ASTM A276, ASTM A479, EN, DIN, JIS da GB. Wannan jagorar ta bayyana manyan bambance-bambance tsakanin ASTM A276 da ASTM A479, yadda ake zaɓar madaidaicin ma'auni, waɗanne maki ake bayarwa akai-akai, da kuma abin da masu siye ya kamata su tabbatar kafin su yi oda.

Menene Ma'aunin ASTM A276 da ASTM A479 na Sandunan Karfe?

ASTM A276 ƙa'ida ce ta yau da kullun don sandunan ƙarfe da siffofi. Ana amfani da ita sosai don siyan sandunan ƙarfe na masana'antu gabaɗaya, gami da sandunan zagaye, sandunan murabba'i, sandunan hex, sandunan lebur da sauran siffofi. Masu siye galibi suna amfani da ASTM A276 don sandunan ƙarfe na bakin ƙarfe da ake amfani da su a cikin injina, sandunan, kusoshi, goro, sanduna, sandunan bawul, sassan famfo, kayan haɗi, tallafi da kayan aikin injiniya gabaɗaya.

ASTM A479 ƙayyadadden tsari ne na sandunan bakin ƙarfe da siffofi da aka yi niyya don amfani a cikin tukunyar ruwa da sauran tasoshin matsin lamba. Sau da yawa ana zaɓar sa lokacin da ake amfani da sandunan bakin ƙarfe a cikin kayan aiki na matsin lamba, sabis na zafin jiki mai yawa, abubuwan riƙe matsi, kayan aikin sarrafawa, samar da wutar lantarki, masana'antun mai, bawuloli da tsarin famfo. A cikin ayyuka da yawa, an ƙayyade ASTM A479 saboda mai amfani na ƙarshe yana son daidaitawar takardu mai ƙarfi tare da sabis na matsin lamba.

Kwatanta Daidaitacce na Gefe-gefe

Kayan Kwatanta	ASTM A276	ASTM A479	Shawarar Mai Saye
Babban Faɗi	Sandunan bakin karfe da siffofi don amfani gabaɗaya	Sandunan ƙarfe da siffofi na boilers da tasoshin matsin lamba	Zaɓi bisa ga aikace-aikacen ƙarshe, ba kawai ta farashi ba
Aikace-aikacen da Aka saba	Inji, shafts, fasteners, sanduna, kayan aikin masana'antu gabaɗaya	Kayan aiki na matsi, tukunyar ruwa, bawuloli, famfo, kayan aikin fetir da wutar lantarki	Yi amfani da A479 idan takardun aikin suka ambaci sabis na matsin lamba
Siffofin Samfura Na Yau Da Kullum	Sanda mai zagaye, sandar lebur, sandar murabba'i, sandar hex da siffofi	Sanda mai zagaye, sandar lebur, sandar murabba'i, sandar hex da siffofi	Dukansu za su iya rufe nau'ikan siffofi iri ɗaya; aikace-aikacen yana jagorantar zaɓin yau da kullun
Samuwar maki	Matsakaitan Austenitic, ferritic, martensitic, duplex da precipitation-taurare maki	Yawancin maki iri ɗaya don aikace-aikacen da suka shafi matsin lamba	Koyaushe tabbatar da ainihin matsayi da lambar UNS akan MTC
Mayar da Hankali kan Takaddun Shaida	Bibiyar ƙa'idodi da bin diddiginsu gabaɗaya	Takardun kayan aiki na matsi, maganin zafi da kuma mai da hankali kan bin ƙa'idodin injina	Nemi EN 10204 3.1 MTC tare da cikakken bayanai don duka ma'auni
Tasirin Farashi	Sau da yawa yana da sauƙin amfani ga aikace-aikacen mashaya na gabaɗaya	Zai iya haɗawa da tsauraran bincike da buƙatun takardu	Kada a maye gurbin A276 da A479 sai dai idan abokin ciniki ya amince

Binciken Sinadaran da ke ƙarƙashin ASTM A276 da ASTM A479

Ka'idojin sandunan ƙarfe na ASTM A276 da ASTM A479 suna buƙatar bin ƙa'idodin sinadarai na musamman. Iyakokin sinadarai na ainihi sun dogara ne akan matsayin ƙarfe na bakin ƙarfe, kamar 304, 316L, 321, 347, 410, 420, 431, 17-4PH, 2205, 2507 ko 904L. Masu siye ba wai kawai ya kamata su duba lambar da aka saba ba; dole ne su tabbatar da lambar UNS da ƙimar sinadarai akan MTC.

Matsayi	UNS	Muhimman Abubuwan Haɗawa da Za a Duba	Bayanin Siyayya
304 / 304L	S30400 / S30403	Cr, Ni, C	Sanda mai jure tsatsa gaba ɗaya don injina da ƙera
316 / 316L	S31600 / S31603	Cr, Ni, Mo, C	Zaɓi don ingantaccen juriyar rami idan aka kwatanta da 304
321	S32100	Cr, Ni, Ti, C	Matsayin Titanium mai ƙarfi don zaɓaɓɓun aikace-aikacen zafin jiki mai zafi da walda
410 / 420	S41000 / S42000	Cr, C	Ma'aunin bakin ƙarfe na Martensitic don tauri da buƙatun ƙarfin inji
17-4PH	S17400	Cr, Ni, Cu, Nb/Cb	Tabbatar da yanayin maganin zafi kamar H900, H1025 ko H1150
2205 Duplex	S32205 / S31803	Cr, Ni, Mo, N	Duba buƙatun nitrogen, molybdenum da duplex don aikin chloride

Kayayyakin Inji da Shawarwari Kan Maganin Zafi

Kayayyakin injiniya a ƙarƙashin ASTM A276 da ASTM A479 sun dogara da matsayin, girma, siffar samfurin, yanayin maganin zafi da aikace-aikacen ƙarshe. Yawanci ana zaɓar ma'aunin Austenitic don juriya ga tsatsa da kuma juriyar danshi. Ana zaɓar ma'aunin Martensitic da na hazo don ƙarfi da tauri. Ana zaɓar sandunan ƙarfe na duplex lokacin da ake buƙatar ƙarfi da juriyar chloride.

Rukunin Maki	Halin Inji na yau da kullun	Maganin Zafi/Yanayi Na Yau Da Kullum	Bayanin Zaɓin Mai Siya
Bakin Karfe na Austenitic	Kyakkyawan ductility, juriya ga tsatsa da kuma tauri	Yanayin maganin da aka yi wa allura ko kuma aka yi wa allura ya danganta da matakin da samfurin	Amfani don kayan aikin lalata gabaɗaya, abinci, sinadarai, kayan aikin ruwa da matsin lamba
Bakin Karfe Mai Martensitic	Taurin kai da ƙarfi mafi girma fiye da matakan austenitic	An rufe, an kashe shi kuma an rage zafi ko wani yanayi na musamman	Tabbatar da tauri da maganin zafi ga shafts, ruwan wukake, bawuloli da sassan lalacewa
Bakin Karfe Mai Taurarewa	Babban ƙarfi bayan maganin tsufa	Cututtukan da aka yi wa magani da kuma waɗanda suka tsufa kamar H900, H1025, H1150	Koyaushe a ƙayyade yanayin da ake buƙata, ba wai kawai sunan maki ba
Bakin Karfe Duplex	Ƙarfin yawan amfanin ƙasa da kuma juriya ga chloride mai kyau	Yanayin maganin da aka cire tare da tsarin duplex mai sarrafawa	Amfani da shi don aikin marine, saline, sinadarai da kuma aikin lalata mai ƙarfi

Ma'auni Masu Aiki da Nassoshi Masu Daidaito na Maki

Ana amfani da ASTM A276 da ASTM A479 akai-akai tare da lambobin UNS, nassoshin ASME, lambobin kayan EN da ƙayyadaddun aikin abokin ciniki. Masu siye ya kamata su tabbatar da cewa odar siyan ta bayyana a sarari ma'auni, matsayi, lambar UNS, girma, haƙuri, maganin zafi, buƙatun gwaji da buƙatun takardar shaida.

Daidaitacce / Nassoshi	Faɗin / Ma'ana	Amfanin Mai Siya Na Yau da Kullum
ASTM A276	Sandunan bakin karfe da siffofi don amfani gabaɗaya	Sayen sandar bakin karfe gabaɗaya, sandar zagaye, sandar lebur, sandar murabba'i da sandar hex
ASTM A479	Sandunan ƙarfe da siffofi na boilers da tasoshin matsin lamba	Kayan aiki na matsi, bawuloli, famfo, tukunyar ruwa, ayyukan sinadarai na fetur da wutar lantarki
ASME SA479	Sigar ASME da aka yi amfani da ita a cikin mahallin injiniya mai alaƙa da matsin lamba	Rijiyoyin matsi, bututu, tukunyar jirgi da ayyukan da suka shafi lambar ASME
Naɗin UNS	Gano kayan da aka haɗa kamar S30400, S31603, S32205, S17400	Yana guje wa rudani tsakanin sunayen nau'ikan ƙarfe masu kama da juna
EN / DIN / JIS / GB Daidai	Tsarin sunaye kayan yanki da kuma nassoshi masu dacewa da maki	Yana da amfani ga zane-zane na ƙasashen duniya da kwatanta kayan da aka haɗa
EN 10204 3.1	Tsarin takardar shaidar gwajin kayan aiki wanda ke nuna bayanan gwaji na musamman-baki	Bukatar takardun fitarwa na gama gari don odar sandunan bakin karfe

Gwaji Mai Inganci da Bin Diddigin Kayan Aiki

Ga umarnin sandunan ƙarfe na ASTM A276 da ASTM A479, bin diddiginsu yana da mahimmanci. Lambar zafi da ke kan sandar, lakabi, jerin kayan tattarawa da EN 10204 3.1 MTC ya kamata su dace. Masu siye ya kamata su duba abubuwan da ke cikin sinadarai, halayen injina, daidaito, matsayi, lambar UNS, yanayin maganin zafi, girma, kammala saman da bayanan dubawa kafin jigilar kaya.

Jerin Takaddun Shaida da Dubawa

Dubawa / Kayan Takarda	Abin da za a Duba	Dalilin da Ya Sa Yana da Muhimmanci
EN 10204 3.1 MTC	Ma'aunin ASTM, daraja, lambar UNS, lambar zafi, abun da ke cikin sinadarai, halayen injiniya da girma	Yana tabbatar da ingancin takamaiman rukuni kuma yana tallafawa takardun aiki
Sarrafa Lambar Zafi	Dole ne lambar zafi da ke kan alamar samfur, lakabi, jerin marufi da MTC su dace	Yana hana samar da kayan gauraye kuma yana tallafawa cikakken ganowa
Gwajin PMI	Tabbatar da Cr, Ni, Mo, Cu da sauran abubuwan haɗin gwal dangane da matakin	Yana taimakawa wajen tabbatar da asalin maki kuma yana hana isar da kayan da ba daidai ba
Gwajin UT	Duba ingancin ciki don sandunan matsakaici da manyan diamita inda ake buƙata	Yana da mahimmanci ga shafts, sassan famfo, tushen bawul da mahimman abubuwan da aka ƙera
Tabbatar da Tauri / Maganin Zafi	Duba yanayin da ake buƙata don matakan martensitic da hazo-taurare	Yana hana rashin daidaiton ƙarfi a cikin umarnin sandunan bakin ƙarfe masu ƙarfi
Dubawa Mai Girma	Diamita, tsayi, madaidaiciya, haƙuri, ovality da kammala saman	Yana tabbatar da cewa an cika buƙatun injina, haɗawa da shigarwa
Dubawa na ɓangare na uku	SGS, BV, TUV, Intertek ko duba da abokin ciniki ya naɗa kafin jigilar kaya	Yana ba da ƙarin kwarin gwiwa ga umarnin fitarwa da ayyukan injiniya masu mahimmanci

Kwatanta da Kayan Bar na Bakin Karfe Masu Kama da Haka

ASTM A276 da ASTM A479 duk sun ƙunshi nau'ikan ƙarfe da yawa, amma masu siye har yanzu suna buƙatar zaɓar madaidaicin matakin kayan don juriya ga tsatsa, ƙarfi, farashi da yanayin aiki. Ma'aunin yana ƙayyade buƙatun samfurin sandar, yayin da ƙimar ke ƙayyade aiki.

Kayan Aiki	Juriyar Tsatsa	Ƙarfi	Matakin Farashi	Shawarar Mafi Amfani
304 / 304L	Kyakkyawan juriya ga tsatsa	Matsakaici	tattalin arziki	Injin sarrafawa na gabaɗaya, shafts, kayan aikin abinci, sassan gine-gine da masana'antu
316 / 316L	Mafi kyawun juriya ga rivet fiye da 304 saboda molybdenum	Matsakaici	Sama da 304	Sandunan kayan aikin ruwa, sinadarai, magunguna da kuma na'urorin sarrafawa
321 / 347	Kyakkyawan juriyar tsatsa tsakanin granular da zafin jiki mai zafi bayan daidaitawa	Matsakaici	Matsakaici zuwa babba	Sabis mai zafi da walda inda ake buƙatar daidaiton ma'auni
410 / 420 / 431	Matsakaicin juriyar lalata	Babban magani bayan zafi	Matsakaici	Shafts, mannewa, sassan bawul, sassan famfo da abubuwan da ke jure lalacewa
17-4PH	Kyakkyawan juriya ga tsatsa don matakin hazo-ƙarfafawa	Yana da matuƙar girma a yanayin tsufa	Babban	Manyan sassan sarrafa jiragen sama masu ƙarfi, famfo, bawul, mai da iskar gas da kuma sassan da aka ƙera daidai gwargwado
2205 / 2507 Duplex	Kyakkyawan juriya ga chloride idan aka kwatanta da daidaitattun ma'aunin austenitic	Babban	Babban	Sabis na sarrafa sinadarai, na ruwa, da kuma aikin lalata mai ƙarfi

Aikace-aikacen Masana'antu na ASTM A276 da ASTM A479 Bakin Karfe Sanduna

Ana amfani da sandunan ƙarfe na ASTM A276 da ASTM A479 sosai a fannoni daban-daban na masana'antu. Babban bambanci shine yanayin aikace-aikacen: ASTM A276 galibi ana amfani da shi ne ga samfuran sandunan ƙarfe na yau da kullun, yayin da ASTM A479 ya fi dacewa lokacin da aka yi nufin kayan sandar don kayan aikin matsi, tukunyar jirgi ko kayan aiki masu alaƙa da matsin lamba.

Masana'antu / Aikace-aikace	Matsakaicin Ma'auni	Abubuwan da Aka Fi So	Bayanin Siyayya
Injin Janar	ASTM A276	Shafts, sanduna, hannayen riga, fil, spacers da sassan CNC	Tabbatar da juriyar diamita, madaidaiciya da yanayin saman
Kayan Aikin Matsi	ASTM A479 / ASME SA479	Tushen bawul, ƙulli, sassan famfo, kayan haɗin jirgin ruwa mai matsin lamba da kayan aiki	Tabbatar da lambar aikin, MTC, halayen injiniya da yanayin maganin zafi
Sarrafa Ruwa da Sinadarai	ASTM A276 ko ASTM A479 ya danganta da aikin	Maƙallan haɗi, shafts na famfo, sassan bawul, sanduna da kayan tallafi	Zaɓin maki ya fi muhimmanci fiye da lambar da aka saba kawai
Samar da Wutar Lantarki	ASTM A479 / ASME SA479	Sassan tukunyar jirgi, abubuwan da suka shafi injin turbine, sandunan zafin jiki mai yawa da abubuwan da ke matsi	Duba yanayin zafi mai zafi, yanayin da buƙatun takardar shaida
Kayan Aikin Abinci da Magunguna	ASTM A276	Sandunan gogewa, sanduna, kayan tsafta da sassan injina	Tabbatar da ingancin 304L ko 316L, gogewa da buƙatun gama saman

Me yasa za a zabi ASTM A276 ko ASTM A479?

Zaɓi ASTM A276 lokacin da ake amfani da sandar bakin ƙarfe don injinan gabaɗaya, kayan masana'antu, sanduna, sanduna, tallafi, manne, sandunan ado ko sassan da ba su da matsi. Zaɓi ASTM A479 lokacin da sandar an yi ta ne don tukunyar ruwa, tasoshin matsin lamba, kayan aikin matsi, abubuwan da ke cikin man fetur, bawuloli, famfo ko wasu ayyukan da suka shafi matsi inda takaddun aikin ke buƙatar A479 ko ASME SA479.

Shawarwari Mafi Kyau ga Masu Sayayya

Yanayin Mai Siya	Shawarar Ma'auni	Dalili
Sandunan zagaye na bakin karfe gabaɗaya don injina	ASTM A276	Ya dace da sandunan gabaɗaya da siffofi ba tare da mahallin matsi na jirgin ruwa ba
Tushen bawul ko shaft na famfo don kayan aiki masu matsin lamba	ASTM A479 / ASME SA479	Ya fi dacewa da abubuwan da suka shafi matsin lamba da takardun aikin
Sassan injinan ƙarfe na bakin ƙarfe ko abinci ko magunguna	ASTM A276	Zabi na gama gari don samfuran mashaya na bakin karfe gabaɗaya da kayan aikin gogewa
Aikin tukunyar jirgi ko matsi	ASTM A479 / ASME SA479	Daidaita daidaitaccen ikon amfani da na'urar dumama ruwa da tasoshin matsin lamba
Zane na abokin ciniki yana bayyana matsayi da girma kawai	Tabbatar da abokin ciniki kafin siyan kaya	Guji rashin daidaiton daidaito da ƙin takardar shaidar bayan isarwa

Kurakuran Masu Sayayya Na Yau Da Kullum

Kuskure da aka saba gani shine a ɗauka cewa ASTM A276 da ASTM A479 za a iya musanya su a kowane hali. Duk da cewa wasu maki da siffofin samfura na iya yin karo, ƙayyadaddun aikin na iya buƙatar mizani ɗaya musamman. Idan abokin ciniki yana buƙatar ASTM A479 ko ASME SA479 don kayan aiki na matsi, samar da ASTM A276 kawai na iya haifar da ƙin amincewa da takardu.

Wani kuskuren da aka saba gani shine mayar da hankali kan ma'aunin ASTM kawai da kuma yin watsi da matsayi, lambar UNS, maganin zafi, juriya, kammala saman da gwaji. Misali, sandar bakin karfe ta ASTM A276 17-4PH dole ne ta ƙayyade yanayin da ake buƙata kamar H900, H1025 ko H1150. Sandar bakin karfe ta ASTM A479 316L har yanzu tana buƙatar haɗin sinadarai, halayen injiniya da tabbatar da MTC.

Kammalawa, Sarrafawa da Fitar da Marufi

Ana iya samar da sandunan ƙarfe na ASTM A276 da ASTM A479 da baki, a ɗanɗana, a bare, a juya, a niƙa, a goge ko kuma a yi amfani da su wajen yin aiki. Ayyukan injinan da aka tsara a hankali galibi suna buƙatar sandunan da aka bare ko a ƙasa don inganta daidaiton girma da kuma rage damar yin aiki. Aikace-aikacen kayan ado, abinci ko magunguna na iya buƙatar saman da aka goge.

Ayyukan sarrafawa na iya haɗawa da yankewa, yankewa, barewa, juyawa, niƙa ba tare da tsakiya ba, gogewa, daidaitawa da yanke tsayi na musamman. Marufi na fitarwa ya kamata ya kare sanduna daga lalacewar saman, danshi da lanƙwasa. Marufi na gama gari ya haɗa da fakiti, naɗewa mai hana ruwa shiga, akwatunan katako, pallets na katako, ɗaure tsiri na ƙarfe da lakabi masu haske waɗanda ke nuna daraja, daidaito, lambar zafi, girma da yawa.

Kayayyakin Bakin Karfe Masu Alaƙa

SAKY STEEL tana samar da samfuran sandunan ƙarfe na ASTM A276 da ASTM A479 da kuma kayan ƙarfe masu alaƙa da ƙarfe don injina, kayan aikin matsi, kayan aikin ruwa, sinadarai, abinci, magunguna, mai da iskar gas da ayyukan masana'antu. Masu siye za su iya zaɓar samfurin da ya dace bisa ga zane, buƙatun yau da kullun da aikace-aikacen ƙarshe.

Samfuri	Maki na gama gari	Amfani na yau da kullun
Sandunan Bakin Karfe	304, 316L, 321, 410, 420, 17-4PH, 2205, 2507	Shafts, fasteners, sanduna, bawul mai tushe, sassan famfo da kayan aikin CNC da aka ƙera
Sandunan Zagaye na Bakin Karfe	304, 316, 316L, 410, 420, 431, 630, 2205	Injin gyara, shafts, fil, kusoshi, sanduna da kayan aikin masana'antu
Farantin Bakin Karfe	304, 316L, 321, 310S, 904L, 2205, 2507	Tankuna, kayan aikin matsi, kayan aikin sinadarai, faranti na ruwa da ƙera
Bakin Karfe Bututu da Tube	304, 316L, 321, 310S, 904L, 2205, 2507	Bututun tsari, masu musayar zafi, tsarin matsi, bututun ruwa da tsarin masana'antu
Flanges na Bakin Karfe	304, 316L, 321, 904L, 2205, 2507	Haɗin bututun mai, tsarin matsi, masana'antun sinadarai da ayyukan ruwa

Tambayoyin da ake yawan yi game da ASTM A276 vs ASTM A479 Matsayin Sandunan Bakin Karfe

1. Menene babban bambanci tsakanin ASTM A276 da ASTM A479?

ASTM A276 yana rufe sandunan bakin karfe da siffofi don amfani gabaɗaya. ASTM A479 yana rufe sandunan bakin karfe da siffofi don tukunyar ruwa da sauran tasoshin matsin lamba. Babban bambanci shine iyakokin aikace-aikacen da aka yi niyya, musamman sabis ɗin da ya shafi matsin lamba don ASTM A479.

2. Shin ASTM A276 da ASTM A479 za su iya rufe irin wannan nau'in ƙarfe na bakin ƙarfe?

Eh, ana iya samun maki da yawa a ƙarƙashin ma'auni biyu, kamar 304, 316, 316L, 321 da sauran ma'aunin ƙarfe na bakin ƙarfe. Duk da haka, mai siye dole ne ya tabbatar ko aikin yana buƙatar A276, A479 ko ASME SA479 musamman.

3. Wane ma'auni ya kamata a yi amfani da shi don sandar zagaye ta bakin karfe?

Ga sandar zagaye ta bakin karfe da ake amfani da ita wajen yin injina, shafts, sanduna da mannewa, ana amfani da ASTM A276 sosai. Ga sandunan da aka yi niyya don tasoshin matsi, tukunyar ruwa, bawuloli, famfo ko kayan aikin matsi, ASTM A479 ko ASME SA479 na iya zama mafi dacewa.

4. Shin ASTM A479 ya fi ASTM A276 tsada?

Farashin ya dogara ne da matakin, diamita, yanayi, dubawa, adadi da buƙatun takardu. Ayyukan ASTM A479 na iya buƙatar takaddun shaida masu tsauri ko ƙarin bincike, wanda zai iya shafar farashi. Duk da haka, matakin kayan aiki da iyakokin gwaji galibi suna da babban tasiri akan farashi fiye da lambar da aka saba amfani da ita kawai.

5. Wace takardar shaida ya kamata masu saye su nema?

Masu siye ya kamata su nemi takardar MTC ta EN 10204 3.1 wacce ke nuna ma'aunin ASTM, daraja, lambar UNS, lambar zafi, abubuwan da ke cikin sinadarai, halayen injiniya, girma, yanayin maganin zafi da sakamakon dubawa. Ana iya buƙatar gwajin PMI, gwajin UT, gwajin tauri da kuma dubawa na ɓangare na uku don yin oda mai mahimmanci.

6. Za a iya amfani da ASTM A276 maimakon ASTM A479?

Sai dai idan mai aikin, injiniya ko abokin ciniki ya amince da maye gurbin. Idan bayanin siyan ko zane yana buƙatar ASTM A479 ko ASME SA479, bai kamata a maye gurbin ASTM A276 ba tare da amincewa a rubuce ba, musamman ga ayyukan da suka shafi matsin lamba.

7. Wane bayani ake buƙata don yin ƙiyasin farashi cikin sauri?

Cikakken RFQ ya kamata ya haɗa da ma'aunin ASTM, matsayi, lambar UNS, siffar sandar, diamita ko girma, tsayi, yawa, kammala saman, haƙuri, yanayin maganin zafi, buƙatar gwaji, buƙatar MTC, tashar da za a kai da kuma buƙatar marufi. Misali: Ana buƙatar sandar zagaye ta ASTM A479 UNS S31603 316L bakin ƙarfe mai zagaye, diamita 40 mm, tsawon 3000 mm, saman da aka bare, gwajin EN 10204 3.1 MTC da PMI.

Kammalawa

ASTM A276 da ASTM A479 dukkansu suna da mahimmanci a matsayin ma'aunin sandunan bakin karfe, amma ana amfani da su don yanayi daban-daban na aikace-aikace. Ana amfani da ASTM A276 sosai don sandunan bakin karfe da siffofi na gabaɗaya, yayin da ake buƙatar ASTM A479 ga sandunan da ake amfani da su a cikin tukunyar ruwa, tasoshin matsin lamba da kayan aiki masu alaƙa da matsin lamba. Zaɓin da ya dace ya dogara ne da aikace-aikacen ƙarshe, buƙatun zane, lambar aiki da buƙatun takardar shaida.

Domin samun nasarar siye, masu saye ya kamata su tabbatar da ma'aunin ASTM, matakin bakin karfe, lambar UNS, siffar sandar, girma, kammala saman, yanayin maganin zafi, EN 10204 3.1 MTC, sarrafa lambar zafi, gwajin PMI, gwajin UT, duba girma da marufi na fitarwa. Ya kamata ƙwararren mai samar da ƙarfe mai bakin karfe ya taimaka wa masu siye su zaɓi madaidaicin ma'auni da ma'auni bisa ga juriyar tsatsa, ƙarfi, sabis na matsi, farashi da buƙatun isarwa.

Nemi Ƙimar Kuɗi

Tuntube mu don yin ƙiyasin farashi, MTC, gwajin PMI, girma dabam dabam, ƙarewar saman, marufi na fitarwa da tallafin isarwa.

Aika Tambaya Yanzu