C86300 (SAE 430B) Manganese Bronze (CDA 863)

C86300 (CDA 863) is a strong bronze casting alloy from India, popular for its combination of strength and machinability in complex engineering components. Conex Metals is your trusted source for C86300 Manganese Bronze, offering a comprehensive range of product forms, including solids, tubes, cored bar, plate, rectangles, and castings. This high-strength alloy is available both off-the-shelf and in special castings, ensuring flexibility and convenience for your specific needs.

We also offer bridge plate (per ASTM B22) as a specialty product, tailored to meet your exact specifications. Our expert team will work closely with you to determine the optimal casting method based on your size, specification, and desired quantity.

C86300 Manganese Bronze is a versatile alloy used in various demanding applications, including:

– Large valve stems
– Gears
– Cams
– Screwdown nuts
– Hydraulic cylinder parts
– Extra heavy-duty, high-strength applications
– Slow-speed heavy-load bearings

C86300 Chemical Composition:
(%Max., Unless Shown as Range or Min.)

C86300 Chemical Composition
	Cu (1)	Ni (2)	Sn	Zn	Al	Fe	Pb	Mn
Min./Max.	60.0-66.0	1	0.2	22.0-28.0	5.0-7.5	2.0-4.0	0.2	2.5-5.0
Nominal	63	-	-	25	6.2	3	-	3.7

(1) In determining Cu min., Cu may be calculated as Cu + Ni.
(2) Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.0% min.

C86300 Mechanical Properties:

C86300 Mechanical Properties
Form	Temper	Temper Code	Tensile Strength	Brinell Hardness 3000 kg load	Izod (ft-lbs)	Fatigue Strength** (ksi)	Yield Strength (0.2% ext. under load)	Yield Strength (0.5% offset)	Elongation (%)	Charpy V-Notch Impact Strength (ft-lbs)	Compressive Strength .001 in. set/in. (ksi)	Compressive Strength .1 in. set/in. (ksi)	Creep Strength (0.1% per 10,000 hours) (ksi)
As Centrifugal	As Centrifugal	M02	110 Min for Standard				83 Typ		12 Min for Standard
As Continuous Cast	As Continuous Cast	M07	110 Min for Standard					62 Min for Standard	14 Min for Standard
As Sand Cast	As Sand Cast	M01	110 Min for Standard 119 Typ	223 Min for Standard 225 Typ	15 Typ	25 Typ		60 Min for Standard 62 Typ	12 Min for Standard 18 Typ	12 Typ	60 Typ	97 Typ	19 Typ

gth: 100 x 10 ⁶cycles,
unless indicated as [N]X 10⁶.

C86300 Applicable Specifications:

C86300 Applicable Specifications
Product	Specification
Ingot	ASTM B30
	FEDERAL QQ-C-523
Precision	MILITARY MIL-C-11866
Sand	AMS 4862
	ASTM B763, B584, B22
	SAE J462, J461
Centrifugal	AMS 4862
	ASTM B271
	SAE J462, J461
Continuous	ASTM B505

C86300 Physical Properties:

C86300 Physical Properties:
Density (lb/cu in. at 68°F)	0.283
Melting Point (solidous) - °F	1625
Melting Point (liquidus) - °F	1693