70/30 CARTRIDGE BRASS

The composition of 70/30 cartridge brass is copper and zinc and S & D Non-Ferrous’ selection of 70/30 brass is kept in grade CW505L, the most common variant of cartridge brass. This form of cartridge brass is primarily available and purchased in sheet formation.

CW505L 70/30 cartridge brass is a copper alloy, further categorised as a brass, with the highest ductility out of all the brasses, great strength and impressive corrosion resistance in a number of applications, ideal for use in the automotive, electrical and plumbing industries.

We like to be sure our customer’s only purchase the highest-quality of 70/30 cartridge brass from us, therefore we source our 70/30 and all other metals from UK or European producers that meet and exceed industry standards.

To discover more about our high-calibre 70/30 cartridge brass or any of our product lines, you can contact us today on 0121 525 5500 and a member of our knowledgeable staff will be willing help.

70/30 CARTRIDGE BRASS Profiles we Stock

Flat Bar

Hexagon Bar

Hollow Bar

Round Bar

Square Bar

70/30 Cartridge Brass Bar Properties

SPECIFICATIONS CHEMICAL COMPOSITION PHYSICAL PROPERTIES FABRICATION PROPERTIES JOINING METHODS

CW505L	CZ106
C26000	CuZn30

Copper	68.5-71.5%
Lead	0.05% max
Iron	0.05% max
Zinc	Rem
Others	0.30% max

Melting Point	965°C
Density	8.55 g/cm³
Specific Heat	380 J/Kg°K
Thermal conductivity (RT)	121 W/m°K
Thermal expansion coefficient (20-200°C)	19 x 10-6/ °C
Electrical conductivity	28 % IACS
Electrical Resistivity	0.062 ohm mm2/m

Hot Working Temperature Range	750-870°C
Hot Formability	Fair
Cold Formability	Excellent
Cold Reduction Between Anneals	90%
Machinability rating (free cutting brass = 100)	30 %
Annealing Temp. Range	450-680°C
Stress Relieving Temp. Range	250-350°C

Soldering	Excellent
Brazing	Excellent
Oxy-acetylene welding	Good
Gas-shielded arc welding	Fair
Resistance welding: Spot and Seam	Fair
Butt	Good

At S & D Non-Ferrous, we stock a complete selection of sturdy 70/30 cartridge brass bars, in grade CW505L. The 70/30 cartridge brass bars’ composition is copper and zinc.

CW505L 70/30 cartridge brass bars are a copper alloy, which has the highest ductility out of all the brasses, great strength and impressive corrosion resistance in a number of applications. The brass rods are applicable for use in the industrial, electrical and automotive industries.

We ensure that our customers only purchase the highest-quality 70/30 cartridge brass rods from us, therefore we source our 70/30 and all other metals from UK or European producers that surpass industry standards.

To discover more about our top-quality 70/30 cartridge brass rods, or any of our product lines, you can contact us today on 0121 525 5500 and a member of our dedicated staff will help.

Services available for our 70/30 CARTRIDGE BRASS stock

Free Cutting

Coating

Custom Lengths

Fast Turnaround

To discuss your requirements call S&D Non-Ferrous Metal Stockists today on 0121 525 5500

70/30 Cartridge Brass sheet is a really adaptable material and is regularly used in a number of industries, including education, craftwork, jewellery making and interior design (naming only a few).

The 70/30 Cartridge Brass plate CW505L, is effortlessly formed and is of a polishing quality, so it is suited for more decorative applications. We can cut plates down to suit your requirements; however, we do hold a large range of stock in 2 metre x 1 metre sheets, ranging in thickness from 0.45 mm up to 6mm.

The quality of our 70/30 cartridge brass plates is unrivalled, so get in touch with S & D Non-Ferrous today to see how we can help you. You can call us on 0121 525 5500 and our team will be happy to help.

70/30 Cartridge Brass Plate Properties

SPECIFICATIONS CHEMICAL COMPOSITION PHYSICAL PROPERTIES FABRICATION PROPERTIES JOINING METHODS

CW505L	CZ106
C26000	CuZn30

Copper	68.5-71.5%
Lead	0.05% max
Iron	0.05% max
Zinc	Rem
Others	0.30% max

Melting Point	965°C
Density	8.55 g/cm³
Specific Heat	380 J/Kg°K
Thermal conductivity (RT)	121 W/m°K
Thermal expansion coefficient (20-200°C)	19 x 10-6/ °C
Electrical conductivity	28 % IACS
Electrical Resistivity	0.062 ohm mm2/m

Hot Working Temperature Range	750-870°C
Hot Formability	Fair
Cold Formability	Excellent
Cold Reduction Between Anneals	90%
Machinability rating (free cutting brass = 100)	30 %
Annealing Temp. Range	450-680°C
Stress Relieving Temp. Range	250-350°C