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ASTM B371

  • Automotive
  • Industrial
  • Marine
  • Plumbing
  • Water

C69300 (ECO BRASS) has the highest performance among the Lead-Free copper alloys, well known for its excellent machinability and forgeability, perfect stress corrosion cracking and dezincification resistant & has high strength equivalent to stainless steel.

Bar Length : 10ft - 12ft
Round : 1/2"-2.5"
Hexagonal : 5/8"-2"
Square : Consult Mill
Rectangle : Consult Mill
Product availabillity

C69300

Chemical Composition

(%max, unless shown as range or min)

CuSiPbPFeSnNiMnZn
Min/Max73.0-77.02.7-3.40.090.04-0.150.100.200.100.10Rem

Note: Cu + Sum of Named Elements, 99.5% min.

Standard Temper Designation:

* H02 – Half Hard

Mechanical Properties (ASTM B371)

Diameter or Distance Between
Parallel Surfaces, in. [mm]
Tensile Strength, minYield Strength, at 0.5% Extension Under Load, minElongation(1), min, %
ksiMPaksiMPa
Rod
Up to 1/2 incl included85585453105
over 1/2 up to 1 incl755153524010
over 1 up to 2 incl704803020510

Fabrication Properties

Joining TechniqueSuitability
SolderingExcellent
BrazingGood
Oxyacetylene WeldingGood
Gas Shielded Arc WeldingGood
Coated Metal Arc WeldingGood
Spot WeldGood
Seam WeldGood
Butt WeldGood
Capacity for Being Cold WorkedPoor
Capacity for Being Hot FormedExcellent
Forgeability Rating95
Machinability Rating85