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C69300

Stocked alloy
specs

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Reference
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Extruded and drawn • GreenAlloys™

With the removal of lead and other harmful chemicals such as arsenic and bismuth, high-performance C69300 is an excellent and versatile solution for water supply and plumbing applications. Corrosion resistance to chemicals inherent in water and gas also contributes to its exceptional compatibility with the water supply and plumbing industries. MORE»

C69300 spec sheet C69300 brochure Standard products

C69300

Product description: Lead-free brass
Tempers: H02 half hard
Solids: 1/8" to 2 1/2" O.D.
Tubes: Consult Mill
Hex: 3/8" to 1" O.D.
Standard lengths: 144"
Compliance: C69300 is compliant with key legislation including (1) Federal Safe Drinking Water Act - SDWA, (2) S. 3874 Federal Reduction of Lead in Drinking Water Act, (3) California AB1953, (4) Vermont Act 193, and is NSF/ANSI/CAN 61-2022 compliant

Typical uses

Automotive: fluid connectors, sensor bodies, thermostat parts
Industrial: automatic screw machine parts, bolts, condenser tube plate, nuts, pneumatic fittings, pump parts, screw machine parts, valve bodies for water, valve stems
Marine: marine products, propeller shafts
Plumbing: faucet stems, faucets, plumbing fittings, water meter cases

Similar or equivalent specification

CDA ASTM SAE AMS Federal Military Other
C69300 B371
B371M 		        

Chemical composition

Cu%1 Pb% Sn% Zn% Fe% P% Ni%2 Mn% Si%
*Pb content is greater than 0.02%.   1Cu value includes Ag.  2Ni value includes Co.
Single values represent maximums.
73.00-
77.00		 0.02*-
0.09
0.20
Rem.
0.10		 0.04-
0.15
0.10
0.10		 2.70-
3.40

Machinability

Copper alloy UNS No. Machinability rating Density (lb/in3 at 68 °F)
C69300 85 0.300

Mechanical properties

Mechanical properties according to ASTM B371/B371M-19

C69300

H02 half hard

Size range: up to 1/2" inclusive
Tensile strength, min Yield strength, at 0.5% extension under load,, min Elongation, 4x Diameter or Thickness of Specimen, min Rockwell "B" hardness Remarks
ksi MPa ksi MPa % max HRB approx  
85 585 45 310 5 85
Size range: over 1/2" to 1" inclusive
Tensile strength, min Yield strength, at 0.5% extension under load,, min Elongation, 4x Diameter or Thickness of Specimen, min Rockwell "B" hardness Remarks
ksi MPa ksi MPa % max HRB approx  
75 515 35 240 10 80
Size range: over 1" to 2 1/2" inclusive
Tensile strength, min Yield strength, at 00.5% extension under load,, min Elongation, 4x Diameter or Thickness of Specimen, min Rockwell "B" hardness Remarks
ksi MPa ksi MPa % max HRB approx  
70 480 30 205 10 75

Physical properties

Physical properties provided by CDA
  US Customary Metric
Melting point - liquidus 1616 °F 880 °C
Melting point - solidus 1571 °F 855 °C
Density 0.3 lb/in3 at 68 °F 8.3 gm/cm3 at 20 °C
Specific gravity 8.3 8.3
Electrical conductivity 8% IACS at 68 °F 0.046 MegaSiemens/cm at 20 °C
Thermal conductivity 21.8 Btu/sq ft/ft hr/°F at 68 °F 37.76 W/m at 20 °C
Coefficient of thermal expansion 68-212 10.3 · 10-6 per °F (68-212 °F) 17.8 · 10-6 per °C (20-100 °C)
Coefficient of thermal expansion 68-392 10.3 · 10-6 per °F (68-392 °F) 17.8 · 10-6 per °C (20-200 °C)
Coefficient of thermal expansion 68-572 10.4 · 10-6 per °F (68-572 °F) 18 · 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 15200 ksi 104801 MPa

Fabrication properties

Fabrication properties provided by CDA
Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene welding Good
Gas shielded arc welding Good
Coated metal arc welding Good
Spot weld Good
Seam weld Good
Butt weld Good
Capacity for being cold worked Poor
Capacity for being hot formed Excellent
Forgeability Rating 95
Machinability rating 85

Thermal properties

Thermal properties provided by CDA
*Temperature is measured in Fahrenheit.
**For stress relief, solution treatment and annealing - time is measured in hours/inch of thickness. For precipitation heat treatment - time is measured in hours.
Treatment Minimum* Maximum* Value* Time**
Stress relief 0
Solution treatment 0
Annealing 932 1112
Hot treatment 1202 1517

Common fabrication processes

Forming and bending, machining, shearing

Common fabrication processes provided by CDA

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