---
title: "Copper Alloys for Welding | Brouwer Metaal"
description: "Copper alloys for welding electrodes and machine parts. High conductivity materials in OEM quality with fast delivery across Europe."
url: "https://brouwer-metaal-upgrade.ubo-dev.nl/copper-alloys/"
language: "en"
---

# Copper Alloys

Brouwer Metaal specializes in copper parts. We know exactly which alloy fits best to each application. With our carefully developed **Brocadur®** copper alloys, such as Brocadur® CCZ, Brocadur® CCB and Brocadur® BF you can be assured of the best materials for your machinery.

![](https://brouwer-metaal-upgrade.ubo-dev.nl/copper.png "Copper")

__Data table__
| Trade name                                        |           | Brocadur CCZ | Brocudur CCB | Brocadur CCNB | Brocadur BF  | Brocadur NIBE | Brocadur B20 |
| ------------------------------------------------- | --------- | ------------ | ------------ | ------------- | ------------ | ------------- | ------------ |
| Chemical composition (in % of weight)             | Class 2   | Class 3      | Class 3      | Class 3       | Class 3      | Class 4       |              |
| Cr                                                | 0.8       | \-           | \-           | 0.4           | \-           | \-            |              |
| Zr                                                | 0.1       | \-           | \-           | \-            | \-           | \-            |              |
| Co                                                | \-        | 2.0          | 1.0          | \-            | \-           | 0.4           |              |
| Ni                                                | \-        | \-           | 1.0          | 2.4           | 1.7          | 0.4           |              |
| Be                                                | \-        | 0.5          | 0.5          | \-            | 0.3          | 2.0           |              |
| Si                                                | \-        | 0.2          | \-           | 0.7           | \-           | \-            |              |
| P                                                 | \-        | \-           | \-           | \-            | \-           | \-            |              |
| Others                                            | max. 0.2  | max. 0.2     | max. 0.2     | max. 0.2      | max. 0.2     | max. 0.2      |              |
| Cu                                                | remainder | remainder    | remainder    | remainder     | remainder    | remainder     |              |
| Mechanical properties (standard values at 200 C): |           |              |              |               |              |               |              |
| Hardness Brinell                                  | HB 30     | 135-170      | 230-260      | 230-260       | 180-220      | 210-250       | 320-370      |
| Tensile strength                                  | N/mm²     | 380-470      | 720-280      | 720-280       | 700-900      | 700-760       | 1200-1300    |
| 0,2% – yield strength                             | N/mm²     | 320-410      | 660-740      | 660-740       | 490-550      | 650-700       | 950-1050     |
| Elongation A 5                                    | %         | 14-18        | 10-14        | 10-14         | 10-12        | 10-14         | 2-5          |
| Modules of elasticity                             | N/mm²     | 125x10³      | 135×10³      | 135×10³       | 115×10³      | 135×10³       | 135×10³      |
| Softening temperature                             | °C        | 500          | 480          | 480           | 480          | 480           | 300          |
| Physical properties (standard values at 200 C):   |           |              |              |               |              |               |              |
| Specific weight                                   | g/cm³     | 8.9          | 8.8          | 8.8           | 8.8          | 8.8           | 8.3          |
| Thermal conductivity                              | W/mK      | 320          | 250          | 250           | 220          | 290           | 120          |
| Electrical conductivity                           | % IACS    | 80 (47 MS/m) | 48 (28 MS/m) | 48 (28 MS/m)  | 48 (28 MS/m) | 69 (40 MS/m)  | 26 (15 MS/m) |
| Thermal expansion coefficient                     | 20-300C   | 17.0 x 10⁶/K | 17.2 x 10⁶/K | 17.2 x 10⁶/K  | 16 x 10⁶/K   | 17.2 x 10⁶/K  | 17.0 x 10⁶/K |
| Forms of delivery:                                |           |              |              |               |              |               |              |
| Round drawn                                       | 0         | 0            | 0            | 0             | 0            | 0             |              |
| Round forged                                      | 0         | 0            | 0            | 0             | 0            | 0             |              |
| Flat, square, hexagon drawn                       | 0         | 0            | 0            | 0             | 0            | 0             |              |
| Flat, square forged                               | 0         | 0            | 0            | 0             | 0            | 0             |              |
| Forged plates                                     | 0         | 0            | 0            | 0             | 0            | 0             |              |
| Cut from forged round bar / plate                 | 0         | 0            | 0            | 0             | 0            | 0             |              |
| Cut from premachined rouond bar / plate           | 0         | 0            | 0            | 0             | 0            | 0             |              |
| Tube                                              | 0         |              |              |               |              |               |              |

_Note: N/mm2 = 1MPa_  
_Note: 1MS/m = 1 m/Qmm2_  
_Note:100% IACS = 58 MS/m_

## Need technical advice or do have a question?

The Brouwer Metaal Team is at your service to help you with any inquiry. We are ready for you by phone, email and WhatsApp.

[Go to contact page](https://brouwer-metaal-upgrade.ubo-dev.nl/contact/)

## Looking for a specific part?

Send us your drawing, sample or specification. We’ll get back to you quickly with pricing and lead time.

[Request a quote](mailto:info@brouwermetaal.com?subject=Request%20for%20quotation&body=Dear%20Sirs%3B%0A%0AI%20would%20like%20to%20request%20a%20quotation%20for%20the%20following%20item%28s%29%3A%0A%0A%5BItem%201%5D%0A%5BItem%202%5D%0A%0ADrawing%20available%3A%20Yes%20%2F%20No%0APictures%20available%3A%20Yes%20%2F%20No%0ASample%20available%3A%20Yes%20%2F%20No%0A%0AMachine%20brand%3A%20EVG%20%2F%20Schlatter%20%2F%20Other%20%28please%20specify%29%0AMachine%20type%3A%20ATT%20%2F%20Superflex%20%2F%20Other%20%28please%20specify%29%0A%0APlease%20let%20me%20know%20if%20you%20require%20any%20additional%20information.%0A%0AKind%20regards%2C%0A%0A%5BYour%20Name%5D%0A%5BYour%20Company%20Name%5D%0A%5BYour%20Company%20Address%5D)