Sichuan Liaofu Tshwj Xeeb Steel Tuam Txhab yog ib qho ntawm cov tuam txhab kev paub tshaj plaws thiab cov chaw muag khoom ntawm 1.8519 31crmov9 alloy steel hauv Suav teb. Nrog tshaj 20 xyoo kev paub, peb lub Hoobkas muab cov khoom lag luam zoo hauv Suav teb nrog cov nqi sib tw. Txais tos tiv tauj peb rau kev pabcuam lag luam wholesale.

1.8519 31CrMoV9 alloy hlau

131CrMoV9 yog cov hlau uas feem ntau yog npaj rau kev tsim cov quenched thiab tempered qhov chaw, uas feem ntau yog machined thiab tom qab nitrided.

Peb cov khoom loj:

Txoj kab uas hla: 80-600mm;

Ntev: 1000-9000mm;

Tshuaj muaj pes tsawg leeg ntawm 1.8519 31CrMoV9 alloy hlau

Variant	Ntxig	Di		C %	Si%	Mn%	P %	S %	Cr%	Mo%	V %
6140	CC	8.26	Min	0.27	0.10	0.40	-	0.010	2.30	0.15	0.100
6140	CC	8.26	Max	0.34	0.40	0.70	0.025	0.035	2.70	0.25	0.200
TS EN 10085	Std		Min	0.27	-	0.40	-	-	2.30	0.15	0.100
TS EN 10085	Std		Max	0.34	0.40	0.70	0.025	0.035	2.70	0.25	0.200

product-742-369

Mechanical Property

Txoj kab uas hla d mm	16-40	40-100	100-160	160-250
Yield zog Mpa	Ntau dua lossis sib npaug li 900	Ntau tshaj los yog sib npaug rau 800	Ntau dua lossis sib npaug li 700	Ntau dua lossis sib npaug li 650
Tensile zog Mpa	1100-1300	1000-1200	900-1100	850-1050
Elongation,%	Ntau dua lossis sib npaug li 9	Ntau tshaj los yog sib npaug rau 10	Ntau dua lossis sib npaug 11	Ntau dua lossis sib npaug li 12
cuam, J	Ntau dua lossis sib npaug li 25	Ntau tshaj los yog sib npaug rau 30	Ntau dua lossis sib npaug li 35	Ntau dua lossis sib npaug li 40
Hardness, HB	331-380	298-359	271-331	253-319

1.8519 31CrMoV9 alloy hlau

Qhov xwm txheej	Kev kho cua sov lossis mob	Tensile zog σᵦ (MPa)	Yield Point σₛ (MPa)	Elongation tom qab Fracture los yog txo ntawm cheeb tsam δ (%)	Hardness (HBW)	Impact Absorbed Zog KV₂ (J)
Bar, tiaj tus, forging; 16 Tsawg dua lossis sib npaug d Tsawg dua lossis sib npaug rau 40	Quenching thiab Tempering (+ QT)	1100~1300	Ntau dua lossis sib npaug li 900	Ntau dua lossis sib npaug li 9	-	Ntau dua lossis sib npaug li 25
Bar, tiaj tus, forging; 40	Quenching thiab Tempering (+ QT)	1000~1200	Ntau tshaj los yog sib npaug rau 800	Ntau tshaj los yog sib npaug rau 10	-	Ntau tshaj los yog sib npaug rau 30
Bar, tiaj tus, forging; 100	Quenching thiab Tempering (+ QT)	900~1100	Ntau dua lossis sib npaug li 700	Ntau dua lossis sib npaug 11	-	Ntau dua lossis sib npaug li 35
Bar, tiaj tus, forging; 160	Quenching thiab Tempering (+ QT)	850~1050	Ntau dua lossis sib npaug li 650	Ntau dua lossis sib npaug li 12	-	Ntau dua lossis sib npaug li 40
Bar, pas nrig, tiaj tus, forging, semi{0}}cov khoom tiav	Mos Annealing (+A)	-	-	-	Tsawg dua lossis sib npaug li 248	-
-	Nitriding	-	-	-	HWM* 800	-

Thermal Properties ntawm 31CrMoV9 (1.8519)

Khoom	Tus nqi	Chav tsev	Sau ntawv
Qhov ntom	7.85	g/cm³	Nyob rau hauv chav tsev kub
Melting pib (Solidus)	1420	degree	2580℃F
Melting tiav (Liquidus)	1460	degree	2660℃F
Tshwj xeeb kub muaj peev xwm	460–470	J/(kg·K)	0.11 BTU / (lb·℃F)
Thermal conductivity	25.7–43	W/(m·K)	Kub ntawm 20 degree; cov nqi sib txawv los ntawm qhov chaw
Coefficient ntawm Thermal Expansion	12.1–13.6	×10⁻⁶ /K	20-400℃ntau yam
Latent Kub ntawm Fusion	250	J/g
Maximum Mechanical Service Temperature	450	degree	850℃F

Daim ntawv thov

Cov ntawv thov tseem ceeb ntawm cov qib ntawm cov hlau no yog rotors ntawm chav turbines, rotor hniav, ncej forgings, reservoir thiab 21CrMoV5-11 chim, npog txog li 550℃qhov kub thiab txias, txiv ntseej, raj rau kub txog li 540 degree.

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