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C86300 Manganese Bronze SAE 430B
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C86300 Manganese Bronze SAE 430B

Standards: ASTM B-62, ASTM B-271, ASTM B-505, ASTM B-584, ASTM B-145/4A, SAE 461, SAE J462, SAE 40, AMS 4085, AMS 4855B, DIN 2.1096.01

C86300 continuous cast manganese bronze is a high strength, non-heat treatable copper alloy intended for use in applications requiring a good combination of outstanding wear characteristics and high bearing strength for heavy loads and slow speeds. Typical applications include slow speed heavy duty load bearings, gears, cams and hydraulic cylinder parts. Conforms to continuous cast specification ASTM B505.

Typical Uses for C86300 Manganese Bronze - CDA 863 - SAE 430 B:

BUILDERS HARDWARE: Brackets

ELECTRICAL: Electrical Components, Switches

FASTENERS: Screw Down Nuts, Screw Down Nuts

INDUSTRIAL: Wear Rings for Forming Dies for Wood Pulp Industry, Large Valve Stems, Hydraulic Cylinder Parts, Propellers, Bridge Pins, Forming Dies for Wood Pulp Industry, Cams, Gib, Gears, Hydraulic Cylinder Parts, Slow Speed, Heavy Load Bearings, Bushings, High Strength Machine Parts, Hooks, Frames, Struts

MARINE: Marine Hardware, Rudders, Covers for Marine Hardware, Clamps, Boat Parts

Sizes Available From NBM

HOLLOW BAR (Continuous Cast): 1" x 2" I.D. thru 10" x 12" O.D.

SOLID BAR: 3/4" - 16" diameter

WEAR PLATE: 3/8" - 4" thick thru 12" wide

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Chemical Composition
Temper
Mechanical Properties
Physical Properties
Fabrication
Al Cu Fe Pb Mn Ni Sn Zn
Min/Max 5.0 - 7.5 60.0 - 66.0 2.0 - 4.0 0.2 2.5 - 5.0 1 0.2 22.0 - 28.0
Nominals 6.2000 63.0000 3.0000 - 3.7000 - - 25.0000
Product Type Temper Type
Centrifugal AMS 4862, ASTM B271, SAE J462, J461
Continuous ASTM B505
Ingot ASTM B30, FEDERAL QQ-C-523
Precision MILITARY MIL-C-11866
Sand AMS 4862, ASTM B763, B584, B22, SAE J462, J461
Temper Sect. Size Cold Work Type Min Temp Tensile Strength YS
0.05% UL 		YS
0.02% Offset 		YS
0.005% Offset 		Elong. RH
B 		RH
C 		RH
F 		RH
30T 		VH
500 		BH
500 		BH
3000 		Shear
Strgth 		Fatigue
Strgth 		Izod
Impact
Strgth
- in. % - F ksi ksi ksi ksi % B C F 30T 500 500 3000 ksi ksi ft-lb
- mm. - - C MPa MPa MPa MPa - - - - - - - - MPa MPa J
As Centrifugal Cast
M02 68 110 60 - - - - - - - - - - - -
M02 0 SMIN 20 758 414 - - 12 - - - - - - - - - 0
As Continous Cast
M07 68 110 62 - - - - - - - - - - - -
M07 0 SMIN 20 758 427 - - 14 - - - - - - - - - 0
As Sand Cast
M01 68 110 60 - - - - - - - - - - - -
M01 0 SMIN 20 760 415 - - 12 - - - - - 223 - - - 0
M01 68 119 62 - - - - - - - - - - - 4 11
M01 0 TYP 20 821 427 - - 18 - - - - - 225 - - 25 15
Product Property US Customary Metric
Coefficient of Thermal Expansion 12.0 . 10-6 per oF (68-572 F) 21.6 . 10-6 per oC (20-200 C)
Density 0.283 lb/in3 at 68 F 7.83 gm/cm3 @ 20 C
Electrical Conductivity 8.0 %IACS @ 68 F 0.0746 MegaSiemens/cm @ 20 C
Electrical Resistivity 130.8 ohms-cmil/ft @ 68 F 21.74 Microhm-cm @ 20 C
Magnetic Permeability 1.09 1.09
Melting Point - Liquidus 1693 F 923 C
Melting Point - Solidus 1625 F 885 C
Modulas of Elasticity in Tension 14200 ksi 97900 MPa
Specific Gravity 7.83 7.83
Specific Heat Capacity 0.09 Btu/lb/oF at 68 F 377.1 J/kg . oK at 293 K
Thermal Conductivity 20.5 Btu . ft/(hr . ft2 . oF)at 68F 35.5 W/m . oK at 20 C
Joining Technique Suitability
Brazing Poor
Coated Metal Arc Welding Good
Gas Shielded Arc Welding Poor
Machinability Rating 8%
Oxyacetylene Welding Poor
Soldering Poor

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