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C26000

Stocked alloy specs

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Extruded and drawn

C26000 spec sheet Standard products

C26000

Product description: Cartridge brass 70%
Tempers: H01 quarter hard, H02 half hard, H04 hard
Solids: 3/8" to 2 1/2" O.D.
Hex: 3/8" to 2" O.D.
Standard lengths: 144"

Typical uses

Architecture: Grillwork
Automotive: Electrical connectors, heater cores, odometer contacts, radiator cores, radiator tanks, radiator tube, tanks, thermostats
Builders hardware: Decorative hardware, door knobs, finish hardware, hinges, kick plates, locks, push plates
Consumer: Bird cages, buttons, chain links, coinage, costume jewelry, etched articles, fireplace screens, lamps, pen/pencil inserts and clips, planters, shells (electrical sockets), snaps, syringe parts, watch parts
Electrical: Flashlight shells, lamp fixtures, reflectors, screw shells, terminal connectors
Fasteners: Eyelets, fasteners, grommets, pins, rivets, screws
Industrial: Air pressure conveyer systems, bead chain, chain, heat exchangers, liners, power cylinders, pumps, sound-proofing equipment, springs, tubing for instruments and machines, wire screens
Ordance ammunition, ammunition cartridge cases, mechanical housings for lighters, shells (mechanical housings for ammunition)
Other: Stencils, washers
Plumbing: Bathroom fixtures, faucet escutcheons, fittings, plumbing accessories, plumbing brass goods, traps

Similar or equivalent specification

CDA ASTM SAE AMS Federal Military Other
C26000 B927
B927M		 J461
J463		       70/30

Chemical composition

Cu% Pb% Zn% Fe%
Chemical composition according to ASTM B927/B927M-23

Note: Cu + sum of named elements, 99.7% min. Single values represent maximums.
68.50-
71.50		  
0.07		  
Rem.		  
0.05

Machinability

Copper alloy UNS No. Machinability rating Density (lb/in3 at 68 °F)
C26000 30 0.308

Mechanical properties

Mechanical properties according to ASTM B927/B927M-23

C26000

H01 quarter hard

Size range: under 1/2" diameter rod
Tensile strength, min Yield strength, at 0.5% extension under load, min Elongation, 4x diameter or 4x thickness, min Rockwell "B" hardness   Remarks
ksi MPa ksi MPa % typical HRB  
50 345 30 205 20 55  
Size range: over 1/2" diameter rod to 1" inclusive
Tensile strength, min Yield strength, at 0.5% extension under load, min Elongation, 4x diameter or 4x thickness, min Rockwell "B" hardness   Remarks
ksi MPa ksi MPa % typical HRB  
48 330 25 170 24 55  
Size range: over 1" diameter rod
Tensile strength, min Yield strength, at 0.5% extension under load, min Elongation, 4x diameter or 4x thickness, min Rockwell "B" hardness   Remarks
ksi MPa ksi MPa % typical HRB  
46 315 20 140 28 55  

C26000
H02 half hard

Size range: under 1/2" diameter rod
Tensile strength, min Yield strength, at 0.5% extension under load, min Elongation, 4x diameter or 4x thickness, min Rockwell "B" hardness   Remarks
ksi MPa ksi MPa % typical HRB  
57 395 35 241 15 70  
Size range: over 1/2" diameter rod to 1" inclusive
Tensile strength, min Yield strength, at 0.5% extension under load, min Elongation, 4x diameter or 4x thickness, min Rockwell "B" hardness   Remarks
ksi MPa ksi MPa % typical HRB  
54 370 32 220 20 70  
Size range: over 1" diameter rod
Tensile strength, min Yield strength, at 0.5% extension under load, min Elongation, 4x diameter or 4x thickness, min Rockwell "B" hardness   Remarks
ksi MPa ksi MPa % typical HRB  
50 345 30 205 25 70  

C26000
H04 hard

Size range: under 1/2" diameter rod
Tensile strength, min Yield strength, at 0.5% extension under load, min Elongation, 4x diameter or 4x thickness, min Rockwell "B" hardness   Remarks
ksi MPa ksi MPa % typical HRB  
70 485 50 345 10 82  
Size range: over 1/2" diameter rod to 1" inclusive
Tensile strength, min Yield strength, at 0.5% extension under load, min Elongation, 4x diameter or 4x thickness, min Rockwell "B" hardness   Remarks
ksi MPa ksi MPa % typical HRB  
65 450 45 310 15 82  
Size range: over 1" diameter rod
Tensile strength, min Yield strength, at 0.5% extension under load, min Elongation, 4x diameter or 4x thickness, min Rockwell "B" hardness   Remarks
ksi MPa ksi MPa % typical HRB  
60 415 40 275 20 82  

Physical properties

Physical properties provided by CDA
  US Customary Metric
Melting point - liquidus 1750 °F 954 °C
Melting point - solidus 1680 °F 916 °C
Density 0.308 lb/in3 at 68 °F 8.53 gm/cm3 at 20 °C
Specific gravity 8.53 8.53
Electrical conductivity 28% IACS at 68 °F 0.162 MegaSiemens/cm at 20 °C
Thermal conductivity 70 Btu/sq ft/ft hr/°F at 68 °F 121.2 W/m at 20 °C
Coefficient of thermal expansion 68-572 11.1 · 10-6 per °F (68-572 °F) 19.2 · 10-6 per °C (20-300 °C)
Specific heat capacity 0.09 Btu/lb/°F at 68 °F 377.1 J/kg at 20 °C
Modulus of elasticity in tension 16000 ksi 110317 MPa
Modulus of rigidity 6000 ksi 41369 MPa

Fabrication properties

Fabrication properties provided by CDA
Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene welding Good
Gas shielded arc welding Good
Coated metal arc welding Not recommended
Spot weld Fair
Seam weld Not recommended
Butt weld Good
Capacity for being cold worked Excellent
Capacity for being hot formed Fair
Machinability rating 30

Thermal properties

Thermal properties provided by CDA
*Temperature is measured in Fahrenheit.
Treatment Minimum* Maximum*
Annealing 800 1400
Hot treatment 1350 1550

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