C67300

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SPECIFICATION CROSS-REFERENCE CHART

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Wrought

Tough and corrosion resistant, C67300 manganese bronze, also known as C673, is ideal for high-load, low-speed applications that require a combination of outstanding wear characteristics and high bearing strength.

Info

Product Description: Manganese Bronze
Tempers: H02 Half-Hard
Solids: 3/4" to 3" O.D.
Hex: Consult Mill
Rectangles: Consult Mill
Standard Lengths: 144"

Typical Uses

Fasteners: fasteners, lead screw nuts
Industrial: bearings, bearings (pins) bushings, clutch bearings, drive shafts, gears and cams, idler pins, piston heads, propeller shafts, pump parts, seal rings, shaft bushings, sleeve bearings, spindles, thrust bearings, wear plates
Marine: hardware, valve seats
Other: connecting rods

Similar or Equivalent Specification

CDA ASTM Asarcon SAE AMS Federal Military Other
C67300     J461
J463
       

Chemical Composition

Cu%1 Pb% Sn% Zn% Fe% Ni%2 Al% Mn% Si%
Chemical Composition according to SAE J461 and SAE J463
1Cu value includes Ag.   2Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.5% min. Single values represent maximums.
58.00-
63.00
0.40-
3.00
 
0.30
 
Rem.
 
0.50
 
0.25
 
0.25
2.00-
3.50
0.50-
1.50

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/in3 at 68 °F)
C67300 70 0.300

Mechanical Properties

Mechanical Properties according to SAE J461 and SAE J463

C67300

H02 Half-Hard

SIZE RANGE: UP TO 1" INCLUSIVE
Tensile Strength, min Yield Strength, at .5% Extension Under Load, min Elongation, in 2 in. or 50 mm min Rockwell "B" Hardness Remarks
ksi MPa ksi MPa % min HRB  
65 448 40 276 12 70
SIZE RANGE: OVER 1" TO 3" INCLUSIVE
Tensile Strength, min Yield Strength, at .5% Extension Under Load, min Elongation, in 2 in. or 50 mm min Rockwell "B" Hardness Remarks
ksi MPa ksi MPa % min HRB  
58 400 35 241 15 70
SIZE RANGE: OVER 3"
Tensile Strength, min Yield Strength, at .5% Extension Under Load, min Elongation, in 2 in. or 50 mm min Rockwell "B" Hardness Remarks
ksi MPa ksi MPa % min HRB  
55 380 30 205 18 65

Physical Properties

Physical Properties provided by CDA

  US Customary Metric
Melting Point - Liquidus 1605 °F 874 °C
Density 0.3 lb/in3 at 68 °F 8.3 gm/cm3 at 20 °C
Specific Gravity 8.3 8.3
Electrical Conductivity 22% IACS at 68 °F 0.13 MegaSiemens/cm at 20 °C
Thermal Conductivity 55 Btu/sq ft/ft hr/°F at 68 °F 95 W/m at 20 °C
Coefficient of Thermal Expansion 68-572 11 · 10-6 per °F (68-572 °F) 19 · 10-6 per °C (20-300 °C)
Modulus of Elasticity in Tension 17000 ksi 117212 MPa

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