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Cartridge Brass Alloy C26000 | Product Overview

Introduction To Copper Alloys C26000 Cartridge Brass / 70-30 BRASS

Copper Alloys C26000 Cartridge Brass

MOKSH TUBES & FITTINGS LLP is a leading manufacturer, exporter, importer, and stockist of Cartridge Brass (C26000) products, including Pipes, Tubes, Sheets, Plates, Coils, Rods, Flats, Wires, Foils, Circles, and Custom Shapes. We specialize in supplying high-quality C26000 in a wide range of dimensions, finishes, and tempers to suit industrial, architectural, and engineering needs.

Copper Alloys C26000 Cartridge Brass, commonly referred to as 70/30 Brass, is a copper-zinc alloy containing 70% copper and 30% zinc. It is known for its excellent cold workability, corrosion resistance, high ductility, and aesthetic golden color. This alloy is widely used in the manufacture of ammunition components (hence the name "Cartridge Brass"), plumbing fittings, electrical terminals, architectural accents, and musical instruments.

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Technical Specifications – C26000 Cartridge Brass (UNS C26000 / CuZn30)

Category Details
Material Cartridge Brass 70/30
UNS No. C26000
Alloy Type Copper–Zinc Alloy
Copper Content 68.5 – 71.5 %
Zinc Content Balance
Density 8.53 g/cm³
Magnetic Properties Non-Magnetic
Heat Treatable ❌ No (strength by cold working)
Formability Excellent
Corrosion Resistance Good (atmospheric & fresh water)
Electrical Conductivity ~28% IACS

Chemical Composition – C26000 Cartridge Brass

Element Composition (%)
Copper (Cu) 68.5 – 71.5
Zinc (Zn) Remainder
Lead (Pb) 0.07 max
Iron (Fe) 0.05 max
Total Impurities 0.30 max

Mechanical Properties – C26000 (Annealed Temper O)

Property / Temper Annealed (Soft) ½-Hard Hard / Full-Hard
Tensile Strength 45–60 ksi / 310–415 MPa 60–75 ksi / 415–520 MPa 83–92 ksi / 575–635 MPa
Yield Strength (0.2%) 10–15 ksi / 70–100 MPa 32–42 ksi / 220–290 MPa 67–78 ksi / 460–540 MPa
Elongation (%) 40–67% 10–25% 2–14%
Brinell Hardness 65–80 HB 100–120 HB ~175–185 HV

Products in Copper Alloys C26000 Cartridge Brass

Copper Alloys C26000 Cartridge Brass is available in:

Copper Alloys C26000 Cartridge Brass products are produced to the following global standards:

Uses and Advantages

Excellent cold workability and formability
High corrosion resistance in most environments
Attractive golden-yellow color for decorative use
Good strength and moderate conductivity
Easily soldered and brazed

Applications of Copper Alloys C26000 Cartridge Brass

Copper Alloys C26000 Cartridge Brass is widely used across a range of industries for its mechanical and aesthetic properties:

Chemical Processing
Oil & Gas
Marine
Pharmaceutical
Heat Exchangers
Power Plants

WHY CHOOSE US?

ISO Certified
MTC 3.1
Fast Delivery
Worldwide Export
Competitive Price

FAQ's

What is Cartridge Brass C26000 and why is it called 70/30 Brass?

Cartridge Brass C26000, also known as 70/30 Brass, is a copper zinc alloy containing approximately 70% copper and 30% zinc. It is recognized for its excellent cold workability, high ductility, attractive golden-yellow color, and strong corrosion resistance. The name “Cartridge Brass” comes from its traditional use in ammunition cases and bullet jackets due to its superior formability and strength.

What are the main benefits of using C26000 Cartridge Brass?

  • Outstanding cold working properties
  • Excellent corrosion resistance in different environments
  • Bright decorative finish for functional and aesthetic applications
  • Good strength with moderate electrical and thermal conductivity
  • Easily soldered, brazed, or machined
  • Versatile choice for multiple industries

Where is Cartridge Brass C26000 commonly used?

  • Ammunition manufacturing cartridge cases and bullet jackets
  • Architecture & Decoration door handles, trim, railings, nameplates
  • Plumbing & HVAC valves, fittings, radiators
  • Electrical & Electronics connectors and terminals
  • Musical instruments trumpets, saxophones
  • Industrial equipment heat exchangers, condenser tubes, radiator cores

What Cartridge Brass C26000 products does MOKSH TUBES & FITTINGS LLP supply?

  • Seamless and Welded Pipes
  • Tubes
  • Sheets, Plates, Coils, Strips
  • Round Bars, Hex Bars, Square Bars, Flats
  • Pipe Fittings
  • Flanges
  • Fasteners
  • Custom Fabricated Components

All products are manufactured in compliance with international quality standards to meet diverse industrial, architectural, and engineering requirements.

Why choose MOKSH TUBES & FITTINGS LLP for Cartridge Brass C26000 materials?

  • Trusted manufacturer, exporter, importer, and stockist with over a decade of expertise
  • High precision processing with tailored dimensions and finishes
  • Rapid delivery and global logistics support
  • Strict adherence to ASTM and international standards
  • Competitive pricing with reliable sourcing
  • Ensures quality and consistency for every order worldwide

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