- Materials
- Forms
-
Services
-
Services
-
-
Sectors
-
Supporting cutting edge research and development with advanced materials to your needs.
High performance materials for extreme conditions.
Innovative and lightweight materials with high mechanical properties and durability.
Materials used in chemical engineering from consumables to innovative solutions.
Advanced materials characterized by high electrical or insulation performance.
High quality materials for renewable energy.
Biocompatible and biodegradable materials to the highest standards.
High purity, biocompatible materials for high performance devices and applications.
High purity metals and alloys in various forms and crucibles suitable to your needs.
State of the art materials for the next generation of technologies.
High performance materials for extreme conditions.
Durable materials for corrosive environments.
Foils, disks or windows across a range of materials to facilitate your innovation.
Polymers, metal foils, and sustainable materials for your packaging needs.
Your requirements for unique products and attributes will be met across our 170,000+ product range and customization capabilities.
High-quality materials across branded products in various forms including rods, wires, and foils support space technology needs.
Highest quality materials to support your need for small-quantity specialist materials such as graphite and lithium compounds.
High purity materials to improve the reproducibility and reliability of your evaporation processes.
Academia Aerospace & Aeronautical Automotive Chemical Manufacturing Electronics and Bioelectronics Fuel Cells & Hydrogen Life Science and Biomaterials Storage & Batteries Vacuum Technology Mining and Metals Nanomaterials Nuclear Oil & Gas Optics Packaging Research & Labs Space Technology Medical Devices
-
-
Resources
-
Find out our latest news.
Read our latest insights, and opinions.
Discover our Innovation Discovered podcasts on innovation, products, interesting topics, and more.
Find out how we've worked with our partners
Our latest updates on what we are doing, find out more.
Find out more about us and the great roles we have available for talented individuals. Find out more.
Take a look at our global distributors.
Explore our FAQ resource to help answer your key questions.
Gain a clearer picture of the language used in scientific study
-
- About Us
Toggle Nav
Formula: Cu 70/Zn 30
Form: Tube
Material: Brass
Commodity: Alloys
Wall Thickness:
0.41mm
Inside Diameter:
2.74mm
Outside Diameter:
3.56mm
Temper:
As Drawn
Goodfellow's brass tube (Cu70/Zn30) is a copper-zinc alloy tube with 70% copper and 30% zinc. The tube has high strength and ductility along with excellent corrosion resistance and antimicrobial properties. Brass tubes like this one are commonly used for plumbing, musical instruments, ammunition casings, valves, and fittings. With its range of brass tubes, Goodfellow provides high-quality options for industries requiring strong, corrosion-resistant tubing.
Tolerances
Tube
| Outside Diameter | =<2mm | ±0.05mm |
|---|---|---|
| Outside Diameter | 2mm - 5mm | ±0.1mm |
| Outside Diameter | >5mm | ±5% |
| Wall Thickness | ±10% |
Material Properties for Alloys
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Brinell | 65-160 |
| Elongation at break( % ) | 65 |
| Modulus of elasticity( GPa ) | 100-115 |
| Izod impact strength( J m⁻¹ ) | 50-90 |
| Shear strength( MPa ) | 200-400 |
| Tensile strength( MPa ) | 300-700 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 6.2-7.8 |
| Temperature coefficient( K⁻¹ ) | 0.0012-0.0016 |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 910-965 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 109-121@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 19-20@20-100°C |
Physical Properties
| Element | Value |
|---|---|
| Density( gcm⁻³ ) | 8.55 |
Other Customers Purchased
-
Leaded Brass Rod (Cu58/Zn39/Pb 3) Formula: Cu58/Zn39/Pb 3
Diameter: 20mm
Length: 10mm
UOM Code: 100-104-86
eachStarting at $168.69
Discounts applied for volume purchases -
Yttria-stabilized Zirconia Tube Formula: ZrO₂/Y₂O₃
Outside Diameter: 3.5mm
Wall Thickness: 0.25mm
Inside Diameter: 3mm
Length: 100mm
CAS Number: 114168-16-0
UOM Code: 910-637-06
eachStarting at $1,582.25
Discounts applied for volume purchases -
Tungsten/Copper Alloy Tube (W 80/Cu20) Formula: W 80/Cu20
Outside Diameter: 0.5mm
Wall Thickness: 0.13mm
Inside Diameter: 0.24mm
Length: 10mm
UOM Code: 783-917-60
eachStarting at $157.16
Discounts applied for volume purchases -
Tungsten Tube Formula: W
Percentage Purity: 99.95%
Outside Diameter: 1.6mm
Wall Thickness: 0.5mm
Inside Diameter: 0.6mm
Length: 10mm
CAS Number: 7440-33-7
UOM Code: 748-026-87
eachStarting at $399.66
Discounts applied for volume purchases -
Tungsten/Copper Alloy Tube (W 60/Cu40) Formula: W 60/Cu40
Outside Diameter: 3.15mm
Wall Thickness: 1.15mm
Inside Diameter: 0.85mm
Length: 10mm
UOM Code: 786-428-40
eachStarting at $185.19
Discounts applied for volume purchases -
Zirconium Tube Formula: Zr
Percentage Purity: 99.2%
Outside Diameter: 6.35mm
Wall Thickness: 0.9mm
Inside Diameter: 4.55mm
Length: 200mm
Temper: Annealed
CAS Number: 7440-67-7
UOM Code: 032-374-21
eachStarting at $161.32
Discounts applied for volume purchases
