Category: Qaybaha Been Abuurka

 Xarunta Waxsoosaarka> Qaybaha Been Abuurka> Saxeexa Sare ee AISI 4340 Beejinta Adag ee Birta

Saxeexa Sare ee AISI 4340 Beejinta Adag ee Birta

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Kala xiriir Hada

Sifooyinka Badeecada

Brand: qijin

Kartida Bixinta & Macluumaad Dheeraad ah

Gaadiidka: Ocean,Land,Air,Express

Nooca Bixinta: L/C,T/T

Madadaalo: FOB,CFR,CIF,EXW

Tafaasiisha Sheyga

Saxanka Sare ee AISI 4340 / EN24 Birta Adag ee Beeyada

Farsamaynta maadada

AISI 4340 (UNS G43400) iyo mataankeeda Ingiriiska EN24 (817M40) waa vacuum-degassed, Ni-Cr-Mo Alloys-xoog aad u sarreeya. Kiimikada magaca ah: 0.40 C, 0.7 Cr, 1.8 Ni, 0.25 Mo, dheelitirka Fe — keenaya 850–1 000 MPa UTS iyo 45 J – 40 °C saamaynta Q&T ee xaaladda Q&T.

Jid been abuur ah

EAF + LF + VD → 1 150 °C xanaaq-dhiman furan & fidi 4 000 t riix → ≥ 3.5 saamiga been abuurka → qabow la xakameeyey. Baararka ≤ 250 mm dia waxay ku hayaan guryaha QT buuxa xudunta u ah; cabbirrada waaweyn waa kuwo la been abuuray-jilicsan, ka dibna-machine-qallafsan oo dib-u-QT ah si loo helo awoodda ugu fiican ee dhumucdeedu.

Baaxadda cabbirka waxaanu bixinaa

- Bar wareega: 20 - 800 mm Ø, dhererka ≤ 16 m, hal miisaan ≤ 35 t

- Usha / dunta dunta: Tallaabo, flanged, godan- caajisay mashiinka trepanning godka qoto dheer, ID 25 - 400 mm.

- Xaaladda gaarsiinta: been-abuur + madow, been-abuur + diiray/jeestay (h9), ama la been abuurtay + QT + dhulka-dhamays (h6) .

Doorashooyinka kulaylka-daaweynta

Anneal jilicsan ≤ 241 HB ee mashiinada ugu sarreeya; heerkul ah 880 ° C; saliidda demin 820-850 °C + xanaaq 540-680 °C si loo gaaro 28-36 HRC; Induction ku adkaato 55-58 HRC ee joornaalada.

Guryaha makaanikada (QT caadiga ah)

Soo saarida 750 MPa, Tensile 980 MPa, Kordhinta 14 %, Dhimista 50 %, Charpy 55 J @ 20 °C, KIC ≥ 80 MPa√m .

Mashiinka saxda ah

Xarumo 5-dhidib ah oo CNC ah oo leh sariir 12 m, 0.8 µm Ra dhammayn, joornaal gabaabsi ah ≤ 0.01 mm, dariiqa furaha loo fidiyay P9, dunta dhulka ilaa 4h6h.

Imtixaanka & shahaadooyinka

100%.

Codsiyada

Daboolka-dejinta, mass rotor helicopter, ulaha waaweyn ee marawaxadaha dabaysha, Collars goobta saliidda, dun saxafiyiinta xawaaraha sare, ulaha dabada kicinta markabka - qayb kasta oo ay tahay in ay ka badbaadaan foorarsiga rogan, toornaan iyo naxdin.

Soo dir sawirkaaga ama API 7-1 tafatirka — xigasho, khariidad been abuur ah iyo dariiqa CAPP 24 saac gudahood. Laga soo bilaabo vacuum dhalaalay ilaa joornaalka dhulka, celceliska wakhtiga hogaanka 21 maalmood FOB Shanghai.

Baakado & Gaarsiin

Iibinta Cutubyada:	Ton

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Category: Qaybaha Been Abuurka

 Xarunta Waxsoosaarka> Qaybaha Been Abuurka> Saxeexa Sare ee AISI 4340 Beejinta Adag ee Birta