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Manganese Bronze 863 / C863 / C86300

ASTM B22/B22M, ASTM B30, ASTMB271/B271M, ASTM B505, ASTM B584,ASTM B763/B763M, SAE 430B, AMS4862, SAE J461, SAE J463, QQ-C-523,MIL-C-11866, UNS C86300

Level 2
Coated Metal Arc Welding
Level 1
Gas Shielded Arc Welding

Farmers Copper keeps a well-rounded inventory of Manganese Bronze C86300 on hand in solid bar form. Manganese bronze C863 can operate under very high loads and speeds. However, bearing applications require reliable lubrication. Besides excellent mechanical qualities, these alloys have good corrosion resistance. C86300 Manganese Bronze bar is available in 1-1/2" to 8" diameter.

manganese bronze c86300

C86300 Manganese Bronze Shapes

C86300 Manganese Bronze Sizing

  • Solid Bar (1-1/2” dia to 8”)
  • Hollow Bar (Upon Request)
Manganese Copper C863 Supplier

C86300 Manganese Bronze Applications

  • Gears
  • Hydraulic parts
  • Valve parts
  • Fasteners
  • Load bearings
  • Electrical
  • Industrial
  • Marine


Farmer’s Copper Ltd. extends its services throughout many industries. We provide the raw copper alloy materials in various standard shapes as well as custom cut copper alloys.

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Our C86300 Manganese Bronze Inventory & Properties

Farmer’s diverse inventory of products and services offered provides our customers the largest and most extensive selection of alloys available, cut to precise specifications, and delivered with total quality control.

Chemical Properties

Cu(1,2) PbSnZn FeNi(3) AlMn
Min (%) 5.02.5
Max (%)66.00.20 0.2028.0 5.0

Physical Properties

Melting Point - Liquidus°F 1693
Melting Point - Solidus°F1625
Densitylb/cu in. at 68°F 0.283
Specific Gravity7.83
Electrical Conductivity% IACS at 68°F 8
hermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F20.5
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)12
Specific Heat CapacityBtu/ lb /°F at 68°F0.09
Modulus of Elasticity in Tensionksi0.09
Magnetic Permeability1.09(1)

Fabrication Properties

Brazing Poor
Oxyacetylene WeldingPoor
Gas Shielded Arc WeldingPoor
Coated Metal Arc WeldingGood
Machinability Rating8

Mechanical Properties

FormTemperTemper CodeTensile Strength (ksi)YS-0.2% OffsetYS-0.5% Ext (ksi)Elongation (%)Brinell Hardness, 3000 kg loadIzod (ft-lbs)Charpy V-Notch Impact Strength (ft-lbs)Compression Deformation Limit (ksi)Compressive Strength .001 in. set/in. (ksi)Compressive Strength .1 in. set/in.(ksi)Creep Strength (0.1% per 10,000 hours) (ksi)Fatigue Strength** (ksi)
As Centrifugal CastAs Centrifugal CastM02110 Min for Standard83 Typ65 Typ12 Min for Standard
As Continuous CastAs Continuous CastM07 110 Min for Standard62 Min for Standard14 Min for Standard
As Sand CastAs Sand CastM01110 Min for Standard 119 Typ60 Min for Standard 62 Typ12 Min for Standard 18 Typ223 Min for Standard 225 Typ15 Typ12 Typ55 Min for Standard60 Typ97 Typ19 Typ25 Typ

Our Commitment to Service

As a leading copper, brass, & bronze alloys supplier, Farmers Copper Ltd. attributes our success to serving our customers, through our service-minded employees and material readily available for prompt, accurate deliveries of copper, brass, bronze, stainless steel and other metal alloys.

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