Brake drum 3600A

Drum Description Material: Gray iron/ ductile iron 
Casting: Automatic production line including sand mixing, moulding and pouring 
Machining: CNC machining center 
Inspection: Advance test equipment including CMM, tensile strength testing machine, hardness tester, spectrometer, parallel tester, etc. 
Every detail contributes to our products of consistent quality and excellent performance 

Detailed Product Description 
(1)Material: Gray Iron 250 
(2)Weight: 20kg_85kg 
(3)Chemical composition: 
C: 3.0-3.3% Si: 1.6-1.9% Mn: 0.7-0.9% 
P: <0.12% S: <0.12% 
(4)Mechanics performance: 
Main body degree of hardness: 163-255HBS 
Testing rod tensile strength: ≥ 220Mpa.    Our Produce process as the follows: 
Melting Sand Mixing ----Moulding -----Pouring ----Cooling ----Drilling ---Inner and Outer Surface machining ---Shot Blasting --Cleaning of Casting -Precision Grinding ---Inspection --Rust Preventive treatment -packing       Brake drum cross ref    

Front	Overall Depth	Brake Surface Depth	Pilot	Bolt Hole No.	Bolt Circle	Bolt Hole Size	Flange Thick	Fit for
	9.18	4.54	8.78	10	11.25	1.35	0.50	3800X
	9.18	4.54	9	8	275mm	1	0.50	3741X
	8.79	4.66	8.78	10	11.25	1.35	0.50	3721(AX)
	9.18	4.54	8.78	10	11.25	1.35	0.50	3721X(AX)
	9.33	5.30	9	8	275mm	1.03	0.50	3774AX
	9.33	5.30	8.78	10	11.25	1.28	0.50	3774X
	10.28	7.02	9	8	275mm	1	0.50	3753AX
	9.37	5.31	8.78	10	11.25	1.35	0.50	3598X, 3758X
	9.74	6.40	8.78	10	11.25	1.35	0.63	3687X
	10.21	7.19	8.78	10	11.25	1.25	0.53	3796AX
Rear	10.56	7.61	8.78	10	11.25	1.13	0.53	3576AX, 3600AX
	11.06	8.48	8.78	10	11.25	1.13	0.53	3782, 3782X
	11.37	9.00	8.78	10	11.25	1.10	0.53	3807X, AX
	10.56	7.48	8.78	10	11.25	0.81	0.53	3141X
	10.30	7.28	8.78	10	11.25	0.81	0.53	3402X
	10.56	7.48	9	8	275mm	1	0.53	3141B(BX)
	11.90	9.21	8.78	10	11.25	1	0.5	3744X
	11.90	9.21	9.00	8	275MM	1	0.5	3744AX

  Factory Pictures        

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