Nickel-chromium (Nichrome) gami da wayoyi ana amfani da su sosai a dumama, lantarki, da filayen masana'antu saboda kyakkyawan juriya mai zafi da aikin wutar lantarki. Tsakanin su,Farashin 7030kumaFarashin 8020su ne manyan samfuran al'ada guda biyu, amma akwai bambance-bambance masu mahimmanci a cikin abun da ke ciki, aiki, da yanayin aikace-aikace. A ƙasa akwai kwatancen dalla-dalla don taimaka muku yanke shawara na siyayya:

Girman Kwatancen	Farashin 7030	Farashin 8020	Sauran Samfuran gama gari (misali, Nicr6040)
Haɗin Sinadari	70% Nickel + 30% Chromium	80% Nickel + 20% Chromium	60% Nickel + 40% Chromium
Matsakaicin Yanayin Aiki Ci gaba	1250°C (Matsalar gajeriyar lokaci: 1400°C)	1300°C (Mafi Girman Lokaci: 1450°C)	1150°C (Mafi Girman Lokaci: 1350°C)
Juyin Lantarki (20°C)	1.18 Ω·mm²/m	1.40 Ω·mm²/m	1.05 Ω·mm²/m
Ductility (Tsarin haɓakawa a Break)	≥25%	≥15%	≥20%
Resistance Oxidation	Kyakkyawan (fim ɗin Cr₂O₃)	Yayi kyau (fim mai kauri)	Yayi kyau (mai saurin kwasfa a lokacin zafi mai zafi)
Weldability	Mafi girma (mai sauƙin walda tare da hanyoyin gama gari)	Matsakaici (yana buƙatar ingantaccen sarrafa siga)	Matsakaici
Tasirin Kuɗi	Babban (daidaitaccen aiki da farashi)	Matsakaici (mafi girman abun ciki nickel yana ƙara farashi)	Ƙananan (iyakantaccen iyakar aikace-aikacen)
Yanayin Aikace-aikace na al'ada	Kayan aikin gida, dumama masana'antu, dumama mota, daidaitaccen kayan lantarki	Tanderun masana'antu masu zafi mai zafi, kayan aikin dumama na musamman	Na'urorin dumama ƙananan zafin jiki, gabaɗaya resistors

Cikakken Binciken Bambanci

1. Chemical Composition & Core Performance

Babban bambanci yana cikin rabon nickel-chromium: Nicr7030 ya ƙunshi chromium 30% (mafi girma fiye da Nicr8020's 20%), wanda ke haɓaka ductility da weldability. Tare da wani elongation a karya na ≥25%, Nicr7030 za a iya kusantar a cikin matsananci-lafiya wayoyi (har zuwa 0.01mm) ko lankwasa cikin hadaddun siffofi, sa shi manufa domin kayayyakin bukatar daidai aiki (misali, mota kujera dumama wayoyi, miniaturized lantarki firikwensin).

Sabanin haka, Nicr8020's mafi girman abun ciki na nickel (80%) yana inganta yanayin yanayin zafi, yana ba shi damar ci gaba da aiki a 1300°C-50°C sama da Nicr7030. Koyaya, wannan yana zuwa a farashin rage ductility (kawai ≥15%), yana sa ya zama ƙasa da dacewa don lankwasawa ko ƙirƙirar matakai. Sauran samfura kamar Nicr6040 suna da ƙananan abun ciki na nickel, yana haifar da ƙarancin juriya da juriya na zafin jiki, iyakance amfani da su zuwa yanayin ƙarancin buƙatu.

2. Resistivity & Amfanin Makamashi

Resistivity kai tsaye yana rinjayar dumama yadda ya dace da ƙirar kayan aiki. Nicr8020 yana da mafi girman juriya (1.40 Ω·mm²/m), ma'ana yana haifar da ƙarin zafi a kowane tsayin raka'a a ƙarƙashin wannan halin yanzu, yana mai da shi dacewa da ƙaramin ƙarfin dumama abubuwa (misali, murhun wuta mai zafi).

Nicr7030's matsakaicin juriya (1.18 Ω·mm²/m) yana daidaita ma'auni tsakanin samar da zafi da yawan kuzari. Don yawancin aikace-aikacen masana'antu da mabukaci (misali, tanda, pads ɗin dumama), yana ba da isasshen wutar lantarki yayin rage sharar makamashi. Bugu da ƙari, juriya ta tsayayye (± 0.5% haƙuri) yana tabbatar da daidaiton aiki akan amfani na dogon lokaci, guje wa canjin zafin jiki.

3. Resistance Oxidation & Rayuwar Sabis

Duk Nicr7030 da Nicr8020 suna samar da fina-finai na Cr₂O₃ masu kariya a yanayin zafi mai yawa, amma Nicr7030's mafi girman abun ciki na chromium yana haifar da ƙarami, mafi ɗorewa. Wannan ya sa ya jure wa "kore rot" (intergranular oxidation) a cikin danshi ko rage yanayi, yana tsawaita rayuwar sabis zuwa sa'o'i 8000+ (20% ya fi Nicr8020 tsayi a cikin yanayi mara kyau).

Nicr6040, tare da ƙananan abun ciki na chromium, yana da ɗan ƙaramin fim ɗin oxide wanda ke da saurin barewa a yanayin zafi sama da 1000 ° C, yana haifar da gajarta rayuwar sabis da ƙarin farashin kulawa.

4. Kudin & Aikace-aikacen Daidaitawa

Nicr7030 yana ba da ingantaccen farashi mai inganci: ƙananan abun ciki na nickel (idan aka kwatanta da Nicr8020) yana rage farashin albarkatun ƙasa da kashi 15-20%, yayin da ingantaccen aikin sa ya ƙunshi kashi 80% na yanayin aikace-aikacen waya na nichrome. Zaɓin zaɓi ne don samfuran da aka samar da yawa kamar kayan aikin gida da tsarin dumama mota, inda daidaita aiki da farashi ke da mahimmanci.

Babban abun ciki na nickel na Nicr8020 yana ƙara farashin sa, yana mai da shi dole ne kawai don aikace-aikacen zafin jiki na musamman (misali, gwajin ɓangaren sararin samaniya). Sauran ƙananan nau'ikan nickel kamar Nicr6040 sun fi rahusa amma ba su da aikin da zai dace da masana'antu ko madaidaicin buƙatun lantarki.

Jagoran Zaɓi

• ZabiFarashin 7030idan kana buƙatar: Ƙimar aiki mai sauƙi, sarrafawa mai sauƙi (lankwasawa / walda), tasiri mai tsada, da aikace-aikace a cikin kayan gida, dumama mota, dumama masana'antu, ko daidaitattun kayan lantarki.
• ZabiFarashin 8020idan kana buƙatar: Mafi girman zafin jiki na aiki (1300°C+) da ƙananan abubuwa masu dumama ƙarfi (misali, tanderun masana'antu na musamman).
• Zaɓi wasu samfura (misali, Nicr6040) kawai don ƙananan yanayin zafi, ƙananan buƙatu (misali, masu adawa da asali).

Tare da daidaitaccen aikin sa, ƙimar farashi, da daidaitawa mai faɗi, Nicr7030 shine mafi kyawun zaɓi ga mafi yawan abokan ciniki. Kamfaninmu yana ba da ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai (diamita, tsayi, marufi) da tallafin fasaha don tabbatar da Nicr7030 daidai daidai da bukatun aikace-aikacen ku.