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Jagorar Zaɓin Kayan Tukunyar Slag: ZG270-500, GS-20Mn5 ko ASTM A27 - Wanne Ya Dace da Injin Sarka? Hoton da Aka Fi So
  • Jagorar Zaɓin Kayan Tukunyar Slag: ZG270-500, GS-20Mn5 ko ASTM A27 - Wanne Ya Dace da Injin Sarka?

Jagorar Zaɓin Kayan Tukunyar Slag: ZG270-500, GS-20Mn5 ko ASTM A27 - Wanne Ya Dace da Injin Sarka?

Takaitaccen Bayani:

Menene mafi kyawun kayan da za a yi amfani da su wajen yin tukunyar slag?Wannan jagorar ta kwatanta maki uku da aka fi sani -ZG270-500 (ma'aunin China), GS-20Mn5 (DIN), da ASTM A27 60-30 (ma'aunin Amurka)– bisa ga bayanai na ainihin injin niƙa. Muna rufe abubuwan da suka shafi sinadarai, halayen injina, juriya ga gajiyar zafi, taurin ƙarancin zafin jiki, farashi, da kuma tsawon lokacin sabis. Babu da'awar tallatawa; kawai shawara mai amfani ce don taimaka muku yanke shawara kan wane matsayi ya dace da nau'in tanda, yanayi, da kasafin kuɗi.


Bayanin Samfura

Cikakken Bayani game da Samfurin

Alamun Samfura

Me Yasa Wannan Jagora Ya Kasance (Kuma Me Yasa Ya Kamata Ku Kula)

Idan ka taɓa siyan tukunyar da aka yi da slag, ka san aikin: masu samar da kayayyaki suna aiko maka da ƙiyasin farashi mai ma'auni, wataƙila takardar bayanai mai shafi ɗaya, da kuma alƙawarin cewa "wannan shine mafi kyawun ma'auni ga tandar ku." Amma lokacin da tukunyar ta fashe bayan watanni 18, mai samar da ita ya ce, "yanayin aikinka ya yi tsauri sosai."

Mun rubuta wannan jagorar ne saboda muna ganin rudani kowace rana. Manajan masana'antar suna tambayarmu:

● Menene ainihin bambanci tsakanin ZG270-500 da GS-20Mn5?

● Me yasa ASTM A27 60-30 ke da ƙarancin farashi amma yana da ƙarancin ƙarfin amfani?

● Zan iya amfani da kayan iri ɗaya don tukwanen EAF da BOF?

Wannan jagorar tana ba ku amsoshi kai tsaye - babu wata dabara ta tallatawa, babu wata ɓoyayyiyar manufa. Za mu kwatanta kayan tukwane guda uku da aka fi amfani da su, mu gaya muku inda kowannensu ya fi aiki, da kuma inda suka gaza.

*Bayani: Wannan ya dogara ne akan ƙwarewar Womic Steel na shekaru 20+ na yin siminti da kuma ra'ayoyin masana'antun ƙarfe sama da 200 a duk duniya. Yanayin aikin ku na iya bambanta.*

Masu Fafatawa Uku - Bayani

Matsayi Daidaitacce Amfanin da Aka Saba Yi a Tukwanen Slag Kimanin Ma'aunin Kuɗi
ZG270-500 GB/T 11352 (China) Babban manufa, yanayi mai sauƙi 1.0 (tushe)
GS-20Mn5 DIN 17182 (Jamus) Babban girgizar zafi, ƙarancin zafin jiki 1.4 – 1.6
ASTM A27 60-30 ASTM (Amurka) Ayyukan Amurka masu ƙarancin aiki zuwa matsakaici, 1.1 – 1.2

ZG270-500shine babban abin da masana'antun kera ƙarfe na China ke yi. Yana da arha, mai sauƙin sarrafawa, kuma yana aiki yadda ya kamata a masana'antun ƙarfe da yawa - musamman a yankuna masu ɗumi tare da ayyukan da suka dace.

GS-20Mn5shine zaɓi mafi kyau ga aikace-aikacen da ke buƙatar ƙwarewa: yawan hawa keke, yanayin sanyi, da kuma inda ake buƙatar takardar shaida bisa ga ƙa'idodin Turai. Ba wai kawai kemistri ba ne - tsarin maganin zafi ya fi tsauri.

ASTM A27 60-30shine ma'aunin Amurka wanda yayi daidai da ZG270-500 amma yana da buƙatun gwaji daban-daban. Sau da yawa ana ƙayyade shi don ayyukan da cibiyoyin Amurka ke ɗaukar nauyinsu ko kuma lokacin da kamfanin injiniyan Amurka ne.

Sinadaran da ke cikin Sinadarin - Lambobi na Gaske

Bari mu ajiye sunayen tallan mu kalli ainihin nazarin ladle. Waɗannan su ne nau'ikan da aka saba amfani da su don samar da tukunyar slag (ba mafi ƙaranci/matsakaicin kowane misali ba - mun ƙara musu ƙarfi don ingantaccen aiki).

Sinadarin ZG270-500 (Na yau da kullun) GS-20Mn5 (Na yau da kullun) ASTM A27 60-30 (Na yau da kullun)
Carbon (C) 0.30 – 0.37% 0.18 – 0.23% 0.28 – 0.32%
Silikon (Si) 0.30 – 0.50% 0.30 – 0.50% 0.30 – 0.60%
Manganese (Mn) 1.10 – 1.40% 1.00 – 1.50% 0.90 – 1.20%
Phosphorus (P) ≤0.030% (muna nufin 0.020) ≤0.020% ≤0.040%
Sulfur (S) ≤0.030% (muna nufin 0.020) ≤0.020% ≤0.040%
Chromium (Cr) Ba a kayyade ba ≤0.30% Ba a kayyade ba
Nickel (Ni) Ba a kayyade ba ≤0.40% Ba a kayyade ba
Molybdenum (Mo) Ba a kayyade ba ≤0.10% Ba a kayyade ba

Abin da wannan ke nufi a rayuwa ta ainihi:

●Ƙananan carbon a cikin GS-20Mn5(0.18-0.23%) yana nufin ingantaccen walda da kuma ƙarfi mai yawa, musamman a yanayin zafi mai ƙasa. Hakanan yana rage haɗarin fashewar hydrogen.

●Mafi ƙarfi P da SA cikin GS-20Mn5 yana rage tsagewa mai zafi kuma yana inganta sassauci. Wannan yana da mahimmanci lokacin da aka yi ta dumama tukunyar ku akai-akai kuma aka sanyaya - ƙarancin ƙazanta yana nufin tsawon rai.

●Babu takamaiman Cr/Ni/Moa cikin ZG270-500 da ASTM A27 na nufin kamfanin zai iya amfani da ƙarfe mai tsabta na carbon ba tare da wani abu mai haɗa ƙarfe ba. Wannan yayi kyau ga yanayi mai sauƙi, amma ba don juriya ga gajiya mai zafi ba.

Yadda Ake Fadada Ayyukan Tukunyar Slag Jagorar Kulawa, Dubawa & Gyara Rayuwa

Yadda Ake Yanke Shawara

Bi tambayoyin a jere. Dangane da amsoshinku, zaɓi kayan da aka ba da shawarar.

Mataki na 1: Shin injin ku yana aiki ƙasa da 0°C na tsawon fiye da watanni 2 a kowace shekara?

EH→ Je zuwa Mataki na 2

NO→ Je zuwa Mataki na 3.

Mataki na 2 (don yanayin zafi mai ƙarancin yawa): Shin kuna buƙatar takardar shaidar Turai (PED / EN 10204 3.2)?

EH→ ZaɓiGS-20Mn5(tare da gwajin tasirin -20°C ≥27J).

NO→ ZaɓiZG310-570(matsakaicin matakin Sinanci) koGS-20Mn5(idan kasafin kuɗi ya ba da dama).

*ZG310-570 sigar ZG270-500 ce da aka inganta tare da ƙarfi mafi girma da kuma juriya ga gajiya mai zafi.*

Mataki na 3 (don yanayin zafi na yau da kullun ko na ɗan lokaci): Shin tukunyar ku tana fuskantar zagayowar zafi sama da 10 a rana (misali, EAF ko tsaftacewa akai-akai na LF)?

EH→ ZaɓiGS-20Mn5(inganta rayuwar gajiyar zafi).

NO→ Je zuwa Mataki na 4.

Mataki na 4 (don ƙarancin mita, yanayi mai sauƙi): Shin aikinku yana cikin Amurka ne ko kuma cibiyoyin Amurka ne ke ba da kuɗi?

EH→ ZaɓiASTM A27 60-30(ya cika ƙa'idodin Amurka).

NO→ ZaɓiZG270-500(mafi arha, mafi kyawun ƙima).

Teburin Takaitawa

Yanayin Aiki Abubuwan da aka ba da shawarar
Ƙananan zafin jiki + buƙatar takardar shaidar Turai GS-20Mn5 (tare da tasirin -20°C)
Ƙananan zafin jiki + babu takardar shaidar Turai ZG310-570 ko GS-20Mn5
Yawan zafin jiki mai zafi (> 10 zafi a rana) GS-20Mn5
Aikin Amurka ko wanda Amurka ke daukar nauyinsa ASTM A27 60-30
Yanayin zafi mai sauƙi, ƙarancin zagayowar, aikin da ba na Amurka ba ZG270-500 (mafi arha)
Tukunyar Slag mai nauyin tan 20-50 mai matsakaicin ƙarfin Slag don yin ƙarfe na EAF da LF - Womic Steel

Kayayyakin Inji - Abin da Za Ku Samu a Takarda idan aka kwatanta da Abin da Za Ku Samu a Masana'antar

Kadara ZG270-500 GS-20Mn5 ASTM A27 60-30
Ƙarfin Yawa (min, MPa) 270 300 207
Ƙarfin Taurin Kai (min, MPa) 500 480-630 414
Tsawaita (ƙananan, %) 18 22 24
Taurin Tasiri (Charpy V) Ba dole ba ne (muna gwaji a 20°C) 27J a -20°C na yau da kullun 20J a 20°C na yau da kullun
Matsakaicin Zafin Sabis (ci gaba) ~600°C ~650°C ~600°C
Juriyar Gajiya Mai Zafi Tushen tushe ~40% mafi kyau Tushen tushe +

Yanzu bari mu fassara wannan tebur don aikinku na yau da kullun:

●Ƙarfin bayarwa– GS-20Mn5 yana da yawan amfanin ƙasa mafi girma (300 vs 270 MPa), don haka yana tsayayya da nakasa a ƙarƙashin manyan nauyin tarkace. Ana iya lura da wannan lokacin da kuka cika tukunya ko kuma lokacin da mai sarrafa crane ɗin ya yi kauri.

●Ƙarawa– ASTM A27 yana da ƙarin tsayi (24% vs 18%), ma'ana yana iya shimfiɗawa sosai kafin ya karye. Amma a cikin tukwane masu tarkace, tsayin da ya wuce 18% ba kasafai yake zama abin da ke iyakancewa ba - gajiyar zafi ita ce.

●Taurin tasiri– Wannan shine babban. Yawanci ana gwada tasirin GS-20Mn5 a -20°C. Idan injin niƙanka yana cikin Siberia, arewacin Kanada, ko ma arewacin China a lokacin hunturu, wannan yana da mahimmanci. ZG270-500 da ASTM A27 na iya yin rauni a yanayin zafi ƙasa da sifili.

l *Labari na gaske: Wani injin niƙa a Inner Mongolia ya yi amfani da tukwanen ZG270-500. A watan Janairu, inda zafin waje ya kai -25°C, tukunya ta fashe a lokacin cikar rana ta farko. Sun koma GS-20Mn5 - babu sauran fashewar hunturu.*

01 Tukunyar Slag mai nauyin tan 20-50 mai matsakaicin ƙarfin Slag don yin ƙarfe na EAF da LF - Womic Steel

Farashi vs Aiki - Wanne Ya Ba Ka Mafi Kyawun Ribar Kuɗi?

Mun bi diddigin bayanai game da farashi da tsawon rai daga masana'antun ƙarfe 47 a cikin shekaru 5. Ga abin da muka gano:

Matsayi Farashin Farko Matsakaicin Zagaye zuwa Rashin Nasara Kudin kowace Kekuna 1,000
ZG270-500 Tushen tushe Zagaye 4,200 $X (tushe)
ASTM A27 60-30 +10-15% Kekuna 4,500 0.95X
GS-20Mn5 +40-60% Kekuna 7,500 0.85X

Lambobi suna nuna alama - nisan tafiyarku na iya bambanta dangane da yanayin aiki.

Abin mamaki game da wannan:Duk da hauhawar farashin farko, GS-20Mn5 sau da yawa yana ba da damarmafi ƙarancin farashi a kowace zagayedomin yana ɗaukar kusan ninki biyu. Amma akwai matsala: yana buƙatar maganin zafi mai kyau (wanda aka kashe + aka hura). Wasu kamfanonin samar da kayayyaki suna da'awar suna bayar da GS-20Mn5 amma suna ba da kayan da aka daidaita kawai - wanda ba zai ba ku irin wannan rayuwa ba.

 

Lokacin da za a yi amfani da ZG270-500:

● Aikinka yana da sauƙi (ba a yawan girgiza zafi)

● Ba ka aiki a ƙasa da 0°C

● Kana da kasafin kuɗi mai yawa kuma za ka iya yarda da gajeriyar rayuwa

● Kuna maye gurbin tukwane duk bayan shekaru 2-3

Lokacin amfani da ASTM A27 60-30:

● Takaddun aikinku ya buƙaci kayan ASTM a bayyane

● Kana buƙatar gamsar da kamfanin injiniya ko mai ba da rance na Amurka

● Ba kwa son biyan kuɗin GS-20Mn5 amma kuna son takaddun shaida mafi kyau fiye da ZG270-500

Lokacin da za a yi amfani da GS-20Mn5:

● Kuna aiki awanni 24 a rana tare da zagayowar zafi mai yawa (EAF ko amfani da LF akai-akai)

● Zafin jikinka yana raguwa ƙasa da daskarewa

● Kana son mafi ƙarancin farashi na dogon lokaci ga kowace tan na ƙarfe da aka samar

● Kana buƙatar takardar shaidar Turai (PED, EN 10204 3.2)

Kuskuren da Aka Saba Yi - Abin da Muke Ji Daga Abokan Ciniki

Kuskure na 1: "Ƙarfin da ke ƙaruwa koyaushe yana nufin tukunyar da ta fi kyau."
Ba gaskiya ba ne. Ƙarfin taurin da ya wuce 450 MPa ba a cika amfani da shi ba a cikin aikin tukunyar da aka yi da slag. Abin da ke kashe tukwane shine gajiyar zafi da tasiri, ba tashin hankali mai tsayawa ba. GS-20Mn5 yana da ɗan ƙaramin taurin fiye da ZG270-500 amma yana da juriyar gajiya sosai.

 

Kuskure na 2: "Kowace masana'antar kera na iya yin GS-20Mn5 - kawai dai mizani ne."
Ba daidai ba ne. GS-20Mn5 yana buƙatar ingantaccen maganin zafi: an kashe shi (ruwa ko iskar da aka tilasta) kuma an hura shi. Yawancin masana'antun ƙarfe suna tsallake matakin kashewa kuma kawai suna daidaita shi. Kuna samun sinadarai na GS-20Mn5 amma halayen ZG270-500. Nemi bayanan maganin zafi da bayanan tauri.

 

Kuskure na 3: "Mun taɓa amfani da ZG270-500 kuma babu matsala."
Tambaya ɗaya: shin ka san ainihin zagayowarka ta gaza? Masana'antu da yawa suna karɓar zagayowar 3,000 a matsayin "mai kyau" - amma zaka iya samun zagayowar 7,000 tare da kayan aiki mafi kyau. Ya kamata a ƙididdige ɓoyayyen kuɗin da kake kashewa na maye gurbin da wuri da lokacin hutu.

Abin da Za Ku Tambayi Mai Sayar da Tukunyar Slag ɗinku (Jerin Abubuwan da Za Ku Yi)

Kafin ka kammala oda, yi waɗannan tambayoyin - amsoshin za su gaya maka idan mai samar da kayayyaki ya san kayansa.

1."Menene ainihin ma'aunin sinadaran da kake buƙata don wannan matakin, ba kawai ma'aunin da aka ƙayyade ba?"
Mai samar da kayayyaki mai kyau zai ba ku iyaka mai tsauri (misali, C: 0.30-0.35%, ba 0.30-0.40%) ba.

2."Shin kuna yin gwajin tasiri a 0°C ko -20°C? Za ku iya nuna min sakamakon?"
Ga ZG270-500, masu samar da kayayyaki da yawa ba sa gwada tasirinsa kwata-kwata. Ga GS-20Mn5, -20°C misali ne.

3."Menene zagayowar maganin zafi da kake yi wa wannan kayan?"
Ka yi bayani dalla-dalla: ƙara yawan zafin jiki, lokacin jiƙawa a kowace inci na sashe, rage yawan zafin jiki, da kuma lokacin rage zafi.

4."Shin kuna da rahoton gwajin zagayowar zafi mai lalata ga wannan kayan?"
Kamfanonin yin haka kaɗan ne ke yin hakan. Womic Steel tana bayar da ɗaya idan an buƙata.

5."Za ku iya samar da taswirar kauri bango tare da rahoton ultrasonic?"
Wannan yana tabbatar da kauri iri ɗaya - wani lahani da aka saba gani a cikin tukwanen da aka yi da siminti.

Tukunyar 05 Tan 20-50 Mai Ƙarfin Ladle Mai Ƙarfi Don Yin Karfe na EAF & LF – Womic Steel

Shawarar ƙarshe

Ga yawancin masana'antun injina na matsakaici a cikin yanayi mai matsakaici:Fara da ZG270-500. Yana da araha kuma yana aiki. Amma ka nemidaidaitacce kuma mai laushimaganin zafi - masu samar da kayayyaki da yawa suna daidaita yanayinsu kawai, wanda ke rage tauri.

Ga injin niƙa mai sanyi ko aiki mai yawan gaske:Zuba jari aGS-20Mn5tare da tsarin da aka kashe da kuma yanayin zafi. Farashin farko yana biya cikin shekaru 2 ta hanyar ƙarancin maye gurbin da ƙarancin lokacin aiki.

Don ayyukan musamman na Amurka:ASTM A27 60-30 shine zaɓi mafi aminci. Duk da haka, idan yanayin aikin ku yana da wahala, haɓaka zuwa ASTM A27 65-35 (ƙarin yawan amfanin ƙasa).

Duk abin da ka zaɓa, rubuta komai.Tsarin sunadarai, zagayowar maganin zafi, hanyoyin NDT, da kuma sharuɗɗan karɓa - ba sa barin sarari don fassarawa.

Har yanzu ba ku da tabbas? Bari mu yi magana game da takamaiman aikinku

Kowace masana'antar ƙarfe ta bambanta. Za mu iya sake duba aikin tukunyar slag ɗinku na yanzu - zagayowar zuwa ga gazawa, hotunan yanayin gazawa, zafin aiki, da ƙarfin crane - sannan mu ba da shawarar kayan aiki da ƙira mafi kyau.

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Womic Steel – Ba wai kawai muna sayar da tukwanen slag ba ne; muna taimaka muku zaɓar wanda ya dace da injin niƙa.

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