42CrMo Steel Round Bar

42CrMo otentha adagulung'undisa zitsulo /bar

42CrMo zitsulo ndi pulasitiki nkhungu zitsulo mu chitsulo nkhungu malinga ndi mmene zinthu gulu. Ili ndi zida zabwino zamakina ndi machinability, ndipo imagwiritsidwa ntchito kwambiri. Pali makamaka mitundu iwiri ya zida, mbale ndi bar yozungulira. Mbale amagwiritsidwa ntchito pokonza nkhungu Kupanga, ndodo zozungulira zimagwiritsidwa ntchito popanga zida za makina mwachindunji, zomwe zadziwika ndi makampani.

Mndandanda wazinthu

Gnee zitsulo, zitsulo zoperekedwa kuchokera kumwamba kupita kunyanja zilipo, padziko lonse lapansi;

Chitoliro chachitsulo

Chitoliro Chachitsulo Chopanda Seam Chitoliro cha Chitsulo cha Aloyi Chitoliro cha Carbon Steel API Line Pipe Welded Steel Pipe Chitoliro Chachitsulo cha Galvanized Zosakaniza

Chitsulo chosapanga dzimbiri

Kolo wachitsulo chosapanga dzimbiri/Mapepala Chitoliro Chachitsulo chosapanga dzimbiri Zosakaniza

Chipinda chachitsulo

Chitsulo Chosagwira Nyengo Boiler Pressure Vessel Chitsulo Zomangira Zitsulo Plate Valani mbale yachitsulo yosamva Hight Strength Low Alloy Steel Carbon Chitsulo Checkered Steel Plate Alloy Steel Plate

Chitsulo Chozizira Chozizira

H Beam ngodya Channel Zitsulo Round Bars

Chitsulo cha Galvanized

Koyilo Wagalasi/Mapepala Prepainted Steel Coil Mapepala Omangira Padenga

Aluminium Metal

Automotive Steel

Lumikizanani nafe

Imelo : sale@gneesteel.com

Zam'manja: +86 15824687445 kelly

Tel: +86 372-5055135

Adilesi: No. 4-1114,Beichen Building,Beicang Town,Beichen District Tianjin,China.

Chiyambi cha malonda Deta yaukadaulo

Chiyambi cha malonda

42CrMo4 ndi chitsulo chozimitsira ndi kutenthetsa, chomwe chimakhala ndi kuphatikiza kwabwino kwamphamvu ndi kulimba mu chikhalidwe chozimitsidwa ndi kupsya mtima. Pambuyo pozimitsa mafuta, chitsulocho chimawumitsidwa mpaka 60 mm bar awiri. The microstructure ya miyeso yayikulu si martensite kwathunthu. Chitsulocho chimagwira ntchito pakuwumitsa induction. Kuuma kwa pamwamba kudzapitirira min. Mtengo wa 53 HRC. 42CrMo4 ikhoza kuperekedwa ndi M-treated kuti mukwaniritse makinawo.

Deta yaukadaulo

Chemical Composition
Kalasi yachitsulo	C	Si	Mn	P	S	Cr	Mo	Ku
35CrMo	0.38～0.45%	0.17～0.37%	0.50～0.80%	≤0.035%	≤0.035%	0.90～1.20%	0.15～0.25%	≤0.30%

Zimango katundu

Mphamvu zokolola σs/MPa (>=)	Kulimba kwamphamvu σb/MPa (>=)	Elongation δ5/% (>=)	Kuchepetsa kwa dera ψ/% (>=)	Impact absorbing energy Aku2/J (>=)	Kuuma kwa HBS 100/3000 max
≥930(95)	≥1080(110)	≥12	≥45	≥78(8)	≤217HB

Pofuna kuonjezera moyo wakufa ku nthawi zopitirira 800,000, zitsulo zowumitsidwa kale zikhoza kuumitsidwa ndi kuzimitsa ndi kutentha kochepa. Pamene kuzimitsa, preheat pa 500-600 ℃ kwa maola 2-4, ndiyeno kusunga pa 850-880 ℃ kwa nthawi inayake (osachepera 2 hours), ndiye kuika mu mafuta ndi ozizira kwa 50-100 ℃ ndi mpweya kuzirala, kuuma akhoza kufika 50 pambuyo quenching -52HRC, pofuna kupewa akulimbana, 200 ℃ otsika kutentha tempering mankhwala ayenera kuchitidwa yomweyo. Pambuyo pa kutentha, kuuma kumatha kusungidwa pamwamba pa 48HRC.

42CrMo Steel Heat Chithandizo

Annealing

Kumangirira mu 760 ± 10 ℃, kuzirala kwa ng'anjo mpaka 400 ℃ kenako kuziziritsa kwa mpweya.

Normalizing

Kukhazikika mu 760 ± 10 ℃, kuziziritsa kwa mpweya pambuyo pa ng'anjo.

Ndemanga Zokhudza Kuzimitsa ndi Chithandizo cha Kutentha

Ayenera kulabadira kutentha kwa madzi ozizira ozizira. Ndipo ziyenera kuwonetsetsa kuti palibe kuipitsidwa ndi mafuta kapena zonyansa zina. Apo ayi, kuuma kwachitsulo sikudzakhala kokwanira kapena kuchoka pamlingo.

Kuzimitsa ndi kutentha kwa billet zitsulo zakuthupi popanda kukonzedwa, ndiye kuti kuuma kopanda yunifolomu. Chifukwa chake kukonza kapena kugaya ndikofunikira pamaso pa Q+T.