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Corrosion-resistant and Easy-cutting C26000/H70 Copper Sheet/Plate
C26000/H70 Copper Sheet is a high-performance brass alloy composed of 70% copper and 30% zinc, renowned for its excellent corrosion resistance, superior formability, and attractive gold-like appearance. This cold-rolled sheet offers a balanced combination of medium-to-high strength (tensile strength ~300-400 MPa) and good machinability (80% free-cutting rating), making it ideal for architectural cladding, decorative trims, and precision stamping applications.
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Product Description

C26000/H70 Copper sheet/plate is a high-performance brass alloy composed of 70% copper and 30% zinc, renowned for its excellent corrosion resistance, superior formability, and attractive gold-like appearance. This cold-rolled sheet offers a balanced combination of medium-to-high strength (tensile strength ~300-400 MPa) and good machinability (80% free-cutting rating), making it ideal for architectural cladding, decorative trims, and precision stamping applications.


Its natural resistance to atmospheric corrosion and tarnishing ensures long-term durability in both indoor and outdoor environments, while its non-sparking properties add safety in specialized industrial settings.


The alloy's exceptional ductility allows for deep drawing, bending, and other complex forming processes without cracking, which is why it's widely used in electrical connectors, musical instruments (e.g., brass wind instruments), and plumbing fixtures. With a thermal conductivity of ~120 W/m·K and electrical conductivity ~28% IACS, it also serves well in heat exchangers and low-current electrical components.


The material's ease of polishing, plating, and patina finishing further enhances its appeal for luxury hardware, jewelry, and artistic installations, offering both functional and aesthetic value at a competitive cost.

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Product Parameters


Thickness

0.1-300mm or customized

Length

100-12000mm or customized

Width

10-3000mm or customized

Standard

ASTM, AISI, JIS, GB, DIN, EN

Brand

C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10910, C10920, C10930,

C11000, C11300, C11400, C11500, C11600, C12000, C12200, C12300, C12500, C14200,

C14420, C14500, C14510, C14520, C14530, C17200, C19200, C21000, C23000, C26000,

C27000, C27400, C28000, C33000, C33200, C37000, C44300, C44400, C44500, C60800,

C63020, C65500, C68700, C70400, C70620, C71000, C71500, C71520, C71640, C72200,

T1, T2, T3, TU1, TU0, TU2, TP1, TP2, TAg0.1, ect.

Surface

Grinding, Polishing, Brightening, Oiling, Hair Thread, Brush, Mirror, Sandblasting or Processing As Required

Certification

ISO, SGS, BV

Payment Method

FOB, CRF, CIF, EXW Acceptable

Port of Loading

Any port in China

Delivery Time

Received 30% after deposit 7-15 working days


Chemical Composition


Copper

With:

Zinc

Zn:

Lead

Pb:

Iron

Fe:

68.5~71.5

Allowance

≤ 0.03

≤ 0.10

Antimony

Sb:

Bismuth

Bi:

Boron

B:

Impurity:

≤ 0.005

≤ 0.002

≤ 0.01

≤ 0.3


Mechanical Properties


Tensile Strength

Kb (MPa):

Elongation

D10 (%):

Hardness:
340~460≥2585~145HV


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