Sand- mu soppi ay piyeesu moule bul
QT450-10
QT 450{{4}10 dafay wane dooley fracture bu 450MPa ak 10%. Beite amna ferrite ak karbuloo, muy produit bu {{6}nalysis. Ngir mëna am dëgëraay bi ci pearite bi kese, fàww ñu natt ko ci wàllu co-analyse (0.77%) asiye. dëgëraay bi ci ferrite yi mën nañu ko natt ci asiye ak limu karbon bu néew 0.0218%.
Standard: GB / T1348-2009 (ci kaw GB / T 1348-1988)
● màndarga ak yaatuwaayu jëfandikoo:
Xeetu weñ bu tàng xol, dëgëraay bu rëy ak plastisite. Su tàngoor wi wàññeeku, dëgëraay bi dafay soppiku ci metit wi, waaye tàngoor wi wàññeeku ci tàngoor wi dafa yéeg, te amna ñu baña soppi tàngoor wi ak bañaale corrosion bi. Ñu ngi koy jëfandikoo bu baax ngir plough, kolon bu plow, dëkkuwaay bu wuute ci masin mbay mi, ngir yaram vanne, silindre yu kawe ak yu néew doole ci masin général, ak ngir ay cap asiye ngir ligne transmisioŋ.
● composition chimique:
Carbon C: 3.70~4.00%
Silicon Si: 2.15~2.93%
Mn Mn: 0.46~0.66%
Sulfur S: 0.010~0.016%
Phosphoux P: 0.027~0.035%
Magnesium Mg: 0.027~0.050%
mbartal Re:
Lu tollu ci oto: 4.3 ~4.6
● moomeel mekanik:
Dooley tasion σ b (MPa): 450
0.2 (MPa): 250
δ (%): 10
Xaral: 160 ~ 210 HB
● Tàngal bu baax paj mi ak mbootaay metallografi:
Xeetu paj mi:
tisu alografik: tafar: graphite + ferrite (tissu matrix) + perwalite
Lakk bu baax: graphite + perle yu bari + ferrite, mën na am màndarga mekanik yu gëna mag, rawatina plastisite ak gëna dëgëral dëgër.
Q600-3
Turu material: fer ductile
● màndarga ak yaatuwaayu jëfandikoo:
Deel gëna dëgëral xeetu fer bu woyof ci yaram, ak doole bu digg ak plastisite bu yam, dëgër ak plastisite bu yam, performance bu rëy, resistance bu baax ak vibration bu baax, performance bu baax ci liggéey. Mën na soppi liggéeyam ci pajum tàngoor yu bari. Ñu ngi koy jëfandikoo ngir bépp xeetu arbre à camko mekanik, camshaft, boole ci arbre, boole batone, engrenage, plaatu embrayage, cylindre hydraulique ak yeneen composant
● composition chimique:
Carbon C: 3.0~3.5
Silicon Si: 2.4~2.8
Mn Mn: 0.3~ 0.5
Sulfur S: 0.03 ~0.035
Fisfor PP .<0.1
Magnesium Mg: 0.045~0.05
Fi ñuy bàyyi xel: 0.033 ~0.049
● moomeel mekanik:
Dooley tasion σ b (MPa): 600
0.2 (MPa): 370
δ (%): 3
Xaral: 190 ~ 270 HB
Densité: 7.3 ci t / m wala g / cm
● Tàngal bu baax paj mi ak mbootaay metallografi:
Xeetu paj mi: (ci furnisër bi, li ci topp mooy xeetu paj mi ñuy jëfandikoo ci tàngoor, 930 degre, 2h seddal seddal bu baax, 600 degre, 2h, seddal air
Mbootaayi alografik: pearlite + ferrite.
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