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SAE4340 Steel Round Bar ASTM4340 Birta Birta
Qalabka 4340 birta birta ah waa birta qaab dhismeedka alloy.U dhiganta Jarmal DIN bir bir ah 36CrNiMo4, Faransiiska NF heerka 40NCD3, Jaban JIS heerka SNCM439, British BS standard 816M40, American SAE/ASTM4340, American UNS heerka G43400, Shiinaha Standard
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DIN 34crnimo6 bir wareeg ah 1.6582 bir bir ah
34CrNiMo6 Birtu waa darajada birta birta ah ee muhiimka ah sida ku cad BS EN 10083-3: 2006.34CrNiMo6 birta waxay leedahay awood sare, adayg sare iyo karti-adkeysi wanaagsan.
34CrNiMo6 waxaa lagu dabaqaa warshadaha sida duulista, baabuurta, baabuurta, iyo difaaca qaranka.34CrNiMo6 waxay mari kartaa daawaynta kulaylka sida caadiga ah, xanaaqa, iyo deminta.Waxaa loo isticmaalaa in lagu soo saaro silsilado, boolal, geerka, gacmaha, rollers, iyo qaybo kale oo farsamo oo kala duwan.
HEERKA: EN/DIN 10083-3
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AISI SAE 4130 4140 4145H Birta Wareega ee Bar godan
4130 bir wareeg ah ayaa leh karti shaqo oo wanaagsan, habacsanaan wax-qabad yar, iyo iska caabin daal aad u fiican.Waxay ka tirsan tahay qaybta birta adag ee dhexdhexaadka ah ilaa sare.Daawaynta kulaylka ka dib, 4140 waxay leedahay awood wanaagsan iyo sifooyin farsamo oo dhamaystiran, karti hab-socod wanaagsan, iyo waxsoosaar sare.Heerkulka adeeggu waa 427 darajo Celsius.
