AISI 4140 1.7225 42CrMo4 SCM440 B7 Karfe Bar
Takaitaccen Bayani:
Aisi SAE 4140 ƙarfe mai ƙarfe ne na ƙarfe mai siffar molybdenum wanda aka yi amfani da shi sosai a cikin manyan kayan aiki na musamman don abubuwan da aka haɗa, kamar gatari, shafts, bolts, gears da sauran aikace-aikace.
Sandunan Karfe na Carbon:
AISI 4140, 1.7225 (42CrMo4), SCM440, da B7 Karfe Bar sunaye ne daban-daban na ainihin nau'in ƙarfe mai ƙarfe iri ɗaya. An san su da ƙarfi da tauri mai yawa, wanda aka fi amfani da shi a aikace-aikace kamar gears da bolts. AISI 4140 shine sunan Amurka, 1.7225 shine ma'aunin EN na Turai, SCM440 shine sunan JIS na Japan, kuma B7 yana nufin takamaiman ASTM A193. Waɗannan sunaye suna wakiltar ƙarfe mai ƙarfe mai kama da chromium-molybdenum tare da halaye iri ɗaya, kuma zaɓin na iya dogara ne akan ƙa'idodin yanki ko masana'antu.
Bayani dalla-dalla na 4140 1.7225 42CrMo4 SCM440 B7:
| Matsayi | 4140 1.7225 42CrMo4 SCM440 B7 |
| Daidaitacce | ASTM A29, ASTM A193 |
| saman | Baƙi, An yi masa kauri, an juya |
| Nisan diamita | 1.0 ~ 300.0mm |
| Tsawon | Mita 1 zuwa 6 |
| Sarrafawa | An yi masa fenti mai sanyi kuma an goge shi da sanyi, an yi masa fenti mai santsi da kuma goge shi |
| Kayan Danye | POSCO, Baosteel, TISCO, Saky Karfe, Outokumpu |
Fasaloli & Fa'idodi:
•Babban Ƙarfi: Waɗannan sandunan ƙarfe suna nuna ƙarfin juriya mai yawa, wanda hakan ya sa suka dace da amfani inda ƙarfi da juriya suke da mahimmanci.
•Tauri: Suna ba da ƙarfi da juriya ga tasiri, wanda hakan ke sa su iya jure wa nauyi mai nauyi da matsin lamba mai ƙarfi.
•Sauƙin Amfani: AISI 4140, 1.7225, 42CrMo4, SCM440, da B7 ƙarfe ne masu amfani da yawa waɗanda suka dace da aikace-aikace iri-iri, gami da giya, ƙusoshi, shafts, da sassan tsarin.
•Juriyar Lalacewa: Abubuwan da ke haɗa ƙarfe, kamar chromium da molybdenum, suna taimakawa wajen inganta juriyar lalacewa, wanda hakan ke sa waɗannan sandunan ƙarfe su dace da amfani da su idan aka yi amfani da su a yanayin gogewa.
•Tsarin Inji: Waɗannan ƙarfe suna da ingantaccen injina idan aka yi musu magani da zafi yadda ya kamata, wanda hakan ke ba da damar yin aiki yadda ya kamata a lokacin ƙera su.
•Walda: Ana iya walda su, kodayake ana iya buƙatar dumamawa kafin lokaci da kuma maganin zafi bayan walda don kiyaye halayen da ake so da kuma guje wa matsaloli kamar karyewar su.
Sinadarin Sinadarai:
| Matsayi | C | Mn | P | S | Si | Cr | Mo |
| 4140 | 0.38-0.43 | 0.75- 1.0 | 0.035 | 0.040 | 0.15-0.35 | 0.8-1.10 | 0.15-0.25 |
| 42CrMo4/ 1.7225 | 0.38-0.45 | 0.6-0.90 | 0.035 | 0.035 | 0.40 | 0.9-1.20 | 0.15-0.30 |
| SCM440 | 0.38-0.43 | 0.60-0.85 | 0.03 | 0.030 | 0.15-0.35 | 0.9-1.20 | 0.15-0.30 |
| B7 | 0.37-0.49 | 0.65-1.10 | 0.035 | 0.040 | 0.15-0.35 | 0.75-1.20 | 0.15-0.25 |
Kayayyakin injiniya:
| Matsayi | Ƙarfin Tauri [MPa] | Yiled Strengtu [MPa] | Ƙarawa % |
| 4140 | 655 | 415 | 25.7 |
| 1.7225/42CrMo4 | 1080 | 930 | 12 |
| SCM440 | 1080 | 930 | 17 |
| B7 | 125 | 105 | 16 |
Jagorar Tambayoyi da Amsoshi:
Me Yasa Zabi Mu?
•Za ka iya samun cikakken kayan da ya dace da buƙatunka a mafi ƙarancin farashi.
•Muna kuma bayar da farashin jigilar kaya daga gida zuwa gida, wato Reworks, FOB, CFR, CIF, da kuma jigilar kaya daga gida zuwa gida. Muna ba da shawarar ku yi ciniki da jigilar kaya wanda zai yi muku arha sosai.
•Kayan da muke bayarwa ana iya tantance su gaba ɗaya, tun daga takardar shaidar gwajin kayan aiki zuwa bayanin girma na ƙarshe. (Rahotanni za su nuna idan an buƙata)
•Muna da tabbacin bayar da amsa cikin awanni 24 (yawanci a cikin awa ɗaya)
•Bayar da rahoton SGS TUV.
•Mun sadaukar da kanmu ga abokan cinikinmu. Idan ba zai yiwu mu cika buƙatunku ba bayan mun duba dukkan zaɓuɓɓuka, ba za mu ɓatar da ku ta hanyar yin alkawuran ƙarya waɗanda za su haifar da kyakkyawar alaƙar abokan ciniki ba.
•Bayar da sabis na tsayawa ɗaya.
4140 vs 42CRMO4 – Menene Bambancin?
AISI 4140 da 42CrMo4 ainihin nau'in ƙarfe iri ɗaya ne, inda AISI 4140 shine sunan Amurka kuma 42CrMo4 shine sunan Turai. Suna da irin wannan haɗin sinadarai, ƙarfi mai yawa, da tauri, wanda hakan ya sa suka dace da amfani kamar gears da bolts. Duk da bambance-bambancen sunaye da ƙa'idodi na yanki, sau da yawa ana ɗaukar su a matsayin waɗanda za a iya musanya su saboda halaye iri ɗaya.
Menene ƙarfe 42CrMo4?
42CrMo4 ƙarfe ne mai ƙarfe mai kama da chromium-molybdenum wanda aka tsara bisa ga ƙa'idar Turai EN 10083. An san shi da ƙarfi mai yawa, tauri, da kuma ƙarfin tauri mai kyau. Tare da sinadarin carbon na 0.38% zuwa 0.45%, ana amfani da shi sosai a aikace-aikacen da ke buƙatar kayan aiki masu ƙarfi, kamar gears, crankshafts, da sandunan haɗawa a masana'antu kamar motoci da sararin samaniya. Karfe yana amsawa da kyau ga maganin zafi, yana ba da damar daidaita halayen injiniya, kuma ana ɗaukarsa daidai da na ƙasashen duniya kamar sauran ƙira kamar AISI 4140 da SCM440.
Menene ƙarfe mai daraja B7?
Grade B7 takamaiman bayani ne a cikin ma'aunin ASTM A193, wanda ya ƙunshi kayan bolting masu ƙarfi don amfani a cikin sabis na zafi mai yawa ko matsin lamba mai yawa. ASTM A193 ma'auni ne da ASTM International (wanda aka fi sani da American Society for Testing and Materials) ta ƙirƙiro kuma ana amfani da shi sosai a masana'antar mai da iskar gas, petrochemical, da samar da wutar lantarki. Grade B7 ƙarfe ne mai ƙarancin ƙarfe chromium-molybdenum wanda ake kashewa da kuma rage zafi (ana yi masa magani da zafi) don cimma halayen injiniya da ake so. Yana da mahimmanci a lura cewa ana amfani da ƙarfe na Grade B7 sau da yawa tare da goro na Grade 2H don tabbatar da daidaito da aiki a cikin aikace-aikacen da ake buƙata. Lokacin da aka ƙayyade, kayan dole ne su cika buƙatun da aka bayyana a cikin ma'aunin ASTM A193 da A194 don tabbatar da ƙarfi, juriya, da sauran kaddarorin injiniya.
Abokan Cinikinmu
Ra'ayoyin Abokan Cinikinmu
Sandunan ƙarfe AISI 4140, 1.7225, 42CrMo4, SCM440, da B7 suna amsawa da kyau ga maganin zafi, wanda ke ba da damar daidaita halayen injiniya kamar tauri da ƙarfi. Waɗannan sandunan ƙarfe suna nuna ƙarfin juriya mai yawa, wanda hakan ya sa suka dace da aikace-aikace inda ƙarfi muhimmin abu ne. Suna ba da ƙarfi mai kyau da juriyar tasiri, wanda hakan ke sa su iya jure nauyi mai yawa da matsin lamba mai ƙarfi. Sandunan ƙarfe suna da amfani iri-iri kuma suna samun aikace-aikace a masana'antu daban-daban, gami da motoci, sararin samaniya, gini, da masana'antu. Abubuwan da ke haɗa ƙarfe, kamar chromium da molybdenum, suna ba da gudummawa ga ingantaccen juriyar lalacewa, suna sa waɗannan sandunan ƙarfe su dace da aikace-aikacen da ke fuskantar yanayin gogewa.
Shiryawa:
1. Shirya kaya yana da matuƙar muhimmanci musamman a yanayin jigilar kaya zuwa ƙasashen waje inda jigilar kaya ke ratsawa ta hanyoyi daban-daban don isa inda za a kai, don haka muna ba da kulawa ta musamman game da shirya kaya.
2. Saky Steel's suna tattara kayanmu ta hanyoyi da dama bisa ga kayayyakin. Muna tattara kayayyakinmu ta hanyoyi da dama, kamar,
