To protect drinking water quality, regulations and standards have been introduced in the European Union and the United States, imposing restrictions on metal alloys that come into contact with drinking water. The selection of the appropriate alloy plays a key role in ensuring hygienic and high-quality water.
Standardization in Germany began with DIN 50930 and has since evolved into the 4MS Common Composition List through the initiative of Germany, the Netherlands, France, the United Kingdom, and Denmark. In addition to our DIN 50930-compliant products, we also offer the following alloys in accordance with the 4MS Common Composition List.
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| Product Group |
Examples of products or parts of products | Assumed contact surface “a” |
|---|---|---|
| A |
Pipes in buildings installation. Uncoated pipelines in water supply systems. |
100 % |
| B | Fittings, ancillaries in buildings installations (e.g. pump bodies, valve bodies, water meter bodies used in buildings installations). | 10 % |
| C |
1. Components of products of product group B (e.g. the spindle of a pump or the moving parts in water meter in building installations).
The sum of the surfaces in contact with drinking water of all these components has to be less than 10% of the total wetted surface of the product. 2. Fittings, ancillaries in water mains and water treatment works with permanent flow (e.g. pumps bodies, valves bodies used in water supply systems). |
1 % |
| D | Components of fittings and ancillaries in water mains in water treatment works (C2). | — |
| Notation | Product Groups | Cu | Zn | Al | Fe | Ni | Pb | Sn | P | Si |
|---|---|---|---|---|---|---|---|---|---|---|
| CW509L*(CuZn40) | B and D | 59,5 % – 61,5 % | Remainder | ≤ 0,05 % | ≤ 0,2 % | ≤ 0,2 % | ≤ 0,2 % | ≤ 0,2 % | ≤ 0,10 % | ≤ 0,10 % |
| CW510L*(CuZn42) | B and D | 57,0 % – 59,0 % | Remainder | ≤ 0,05 % | ≤ 0,3 % | ≤ 0,2 % | ≤ 0,2 % | ≤ 0,3 % | ≤ 0,10 % | ≤ 0,10 % |
| Each other impurity < 0,02 % – *Contents of certain elements are further restricted. | ||||||||||
| Notation | Product Groups | Cu | Zn | Fe | Ni | Pb | Sn |
|---|---|---|---|---|---|---|---|
| CW501L-DW* (CuZn10) | C and D | 89,0 % – 91,0 % | Remainder | ≤ 0,05 % | ≤ 0,2 % | ≤ 0,05 % | ≤ 0,1 % |
| CW502L-DW* (CuZn15) | B and D | 84,0 % – 86,0 % | Remainder | ≤ 0,05 % | ≤ 0,2 % | ≤ 0,05 % | ≤ 0,1 % |
| CW503L-DW* (CuZn20) | B and D | 79,0 % – 81,0 % | Remainder | ≤ 0,05 % | ≤ 0,2 % | ≤ 0,05 % | ≤ 0,1 % |
| CW506L-DW* (CuZn33) | B and D | 66,0 % – 68,0 % | Remainder | ≤ 0,05 % | ≤ 0,2 % | ≤ 0,05 % | ≤ 0,1 % |
| CW507L-DW* (CuZn36) | B and D | 63,5 % – 65,5 % | Remainder | ≤ 0,05 % | ≤ 0,2 % | ≤ 0,1 % | ≤ 0,1 % |
| Each other impurity < 0,02 % – *Contents of certain elements are further restricted. | |||||||
| Notation | Product Groups | Cu | Zn | Al | Fe | Ni | Pb | Sn |
|---|---|---|---|---|---|---|---|---|
| CW508L-DW* (CuZn37) | B and D | 62,0 % – 64,0 % | Remainder | ≤ 0,05 % | ≤ 0,1 % | ≤ 0,2 % | ≤ 0,1 % | ≤ 0,1 % |
| Each other impurity < 0,02 % – *Contents of certain elements are further restricted. | ||||||||
| Notation | Product Groups | Cu | Zn | As | Fe | Mn | Pb | Sn |
|---|---|---|---|---|---|---|---|---|
| CW707R(CuZn30As) | B and D | 69,0 % – 71,0 % | Remainder | 0,02 % – 0,06 % | ≤ 0,05 % | ≤ 0,1 % | ≤ 0,07 % | ≤ 0,05 % |
| Each other impurity < 0,02 % | ||||||||
| Notation | Product Groups | Cu | Zn | As | Al | Fe | Mn | Ni | Pb | Sn |
|---|---|---|---|---|---|---|---|---|---|---|
| CW511L*(CuZn38As) | B and D | 61,5 % – 63,5 % | Remainder | 0,02 % – 0,15 % | ≤ 0,05 % | ≤ 0,1 % | ≤ 0,1 % | ≤ 0,3 % | ≤ 0,2 % | ≤ 0,1 % |
| Each other impurity < 0,02 % – *Contents of certain elements are further restricted. | ||||||||||
| Notation | Product Groups | Cu | Zn | As | Al | Fe | Mn | Ni | Pb | Sn |
|---|---|---|---|---|---|---|---|---|---|---|
| CW511L*(CuZn38As) (Low Lead) | B and D | 61,5 % – 63,5 % | Remainder | 0,02 % – 0,10 % | ≤ 0,05 % | ≤ 0,1 % | ≤ 0,1 % | ≤ 0,10 % | ≤ 0,10 % | ≤ 0,1 % |
| Each other impurity < 0,02 % – *Contents of certain elements are further restricted. | ||||||||||
| Notation | Product Groups | Cu | Zn | Pb | Al | Fe | Ni | Si | Sn |
|---|---|---|---|---|---|---|---|---|---|
|
CW617N*(CuZn40Pb2) CW612N*(CuZn39Pb2) |
B and D | 57,0 % – 60,0 % | Remainder | 1,6 % – 2,2 % | ≤ 0,05 % | ≤ 0,3 % | ≤ 0,1 % | ≤ 0,03 % | ≤ 0,3 % |
|
CW614N*(CuZn39Pb3) CW603N*(CuZn36Pb3) |
C and D | 57,0 % – 62,0 % | Remainder | 2,5 % – 3,5 % | ≤ 0,05 % | ≤ 0,3 % | ≤ 0,2 % | ≤ 0,03 % | ≤ 0,3 % |
| Each other impurity < 0,02 % – *Contents of certain elements are further restricted. | |||||||||
| Notation | Product Groups | Cu | Zn | Pb | Al | Fe | Sn |
|---|---|---|---|---|---|---|---|
| CC773S*(CuZn42Al) | B and D | 57,0 % – 59,0 % | Remainder | ≤ 0,2 % | 0,1 % – 0,3 % | ≤ 0,3 % | ≤ 0,3 % |
| Each other impurity < 0,02 % – *Contents of certain elements are further restricted. | |||||||
| Notation | Product Groups | Cu | Zn | As | Al | Fe | Mn | Pb | Sn |
|---|---|---|---|---|---|---|---|---|---|
| CuZn35Al-C | B and D | 63,0 % – 64,5 % | Remainder | 0,04 % – 0,14 % | 0,2 % – 0,7 % | ≤ 0,3 % | ≤ 0,1 % | ≤ 0,2 % | ≤ 0,3 % |
| Each other impurity < 0,02 % | |||||||||
| Notation | Product Groups | Cu | Zn | Si | Al | Fe | Ni | Pb | Sn |
|---|---|---|---|---|---|---|---|---|---|
| CuZn35AlSiFe | B and D | 62,5 % – 64,5 % | Remainder | 0,5 % – 0,8 % | 0,5 % – 0,85 % | 0,04 % – 0,1 % | ≤ 0,09 % | ≤ 0,15 % | ≤ 0,1 % |
| Each other impurity < 0,02 % | |||||||||
| Notation | Product Groups | Cu | Zn | As | Sb | Al | Fe | Mn | Ni | Pb | Sn |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CC771S (CuZn38AsSb) | B and D | 62,0 % – 65,0 % | Remainder | 0,02 % – 0,04 % | 0,02 % – 0,05 % | 0,45 % – 0,7 % | ≤ 0,2 % | ≤ 0,1 % | ≤ 0,20 % | ≤ 0,2 % | ≤ 0,3 % |
| Each other impurity < 0,02 % | |||||||||||
| Notation | Product Groups | Cu | Zn | Pb | Al | Fe | Mn | Ni | Si | Sn |
|---|---|---|---|---|---|---|---|---|---|---|
| CC757S* (CuZn39Pb1Al-C) | B and D | 58,0 % – 63,0 % | Remainder | 0,2 % – 1,4 % | 0,3 % – 0,9 % | ≤ 0,3 % | ≤ 0,05 % | ≤ 0,2 % | ≤ 0,05 % | ≤ 0,5 % |
| Each other impurity < 0,02 % – *Contents of certain elements are further restricted. | ||||||||||
| Notation | Product Groups | Cu | Zn | Pb | Si | Al | Fe | Mn | Ni | Sn |
|---|---|---|---|---|---|---|---|---|---|---|
| CuZn35Al1,5Sn | B and D | 64,0 % – 66,0 % | Remainder | ≤ 0,2 % | ≤ 0,2 % | 1,40 % – 1,60 % | ≤ 0,10 % | ≤ 0,10 % | ≤ 0,10 % | 0,50 % – 0,70 % |
| Each other impurity < 0,02 % | ||||||||||
| Notation | Product Groups | Cu | Zn | Pb | As | Al | Fe | Mn | Ni | Sn |
|---|---|---|---|---|---|---|---|---|---|---|
| CC770S (CuZn36Pb -C) | B and D | 62,0 % – 64,0 % | Remainder | 0,2 % – 1,6 % | 0,04 % – 0,14 % | 0,5 % – 0,7 % | ≤ 0,3 % | ≤ 0,1 % | ≤ 0,2 % | ≤ 0,3 % |
| Each other impurity < 0,02 % | ||||||||||
| Notation | Product Groups | Cu | Zn | Sn | P | Al | Fe | Ni | Pb | Si |
|---|---|---|---|---|---|---|---|---|---|---|
| CW727R-DW (CuZn35Sn1P) | B and D | 63,5 % – 65,0 % | Remainder | 0,5 % – 1 % | 0,05 % – 0,15 % | ≤ 0,05 % | ≤ 0,10 % | ≤ 0,10 % | ≤ 0,10 % | ≤ 0,10 % |
| Each other impurity < 0,02 % | ||||||||||
| Notation | Product Groups | Cu | Zn | Pb | As | Al | Fe | Mn | Ni | Sn |
|---|---|---|---|---|---|---|---|---|---|---|
| CW625N (CuZn35Pb1,5AlAs) | B and D | 62,0 % – 64,0 % | Remainder | 1,2 % – 1,6 % | 0,02 % – 0,15 % | 0,5 % – 0,7 % | ≤ 0,3 % | ≤ 0,1 % | ≤ 0,2 % | ≤ 0,3 % |
| CW626N (CuZn33Pb1,5AlAs) | B and D | 64,0 % – 66,0 % | Remainder | 1,2 % – 1,7 % | 0,02 % – 0,15 % | 0,8 % – 1,0 % | ≤ 0,3 % | ≤ 0,1 % | ≤ 0,2 % | ≤ 0,3 % |
| Each other impurity < 0,02 % | ||||||||||
| Notation | Product Groups | Cu | Zn | Pb | As | Sb | Al | Fe | Mn | Ni | Sn |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CC772S (CuZn36Pb1,5AsSbAl) | B and D | 62,0 % – 65,0 % | Remainder | 0,2 % – 1,1 % | 0,02 % – 0,04 % | 0,03 % – 0,06 % | 0,45 % – 0,7 % | ≤ 0,2 % | ≤ 0,1 % | ≤ 0,2 % | ≤ 0,3 % |
| Each other impurity < 0,02 % | |||||||||||
| Notation | Product Groups | Cu | Zn | Pb | As | Al | Si | Fe | Mn | Ni | Sn |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CW725R* (CuZn33Pb1AlSiAs) | B and D | 64,0 % – 67,0 % | Remainder | 0,4 % – 0,6 % | 0,04 % – 0,08 % | 0,1 % – 0,4 % | 0,1 % – 0,3 % | ≤ 0,3 % | ≤ 0,1 % | ≤ 0,2 % | ≤ 0,3 % |
| Each other impurity < 0,02 % – *Contents of certain elements are further restricted. | |||||||||||
| Notation | Product Groups | Cu | Zn | Si | P | Al | Fe | Mn | Ni | Pb | Sn |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CW724R(CuZn21Si3P) | B and D | 75,0 % – 77,0 % | Remainder | 2,7 % – 3,5 % | 0,02 % – 0,10 % | ≤ 0,05 % | ≤ 0,3 % | ≤ 0,05 % | ≤ 0,2 % | ≤ 0,1 % | ≤ 0,2 % |
| Each other impurity < 0,02 % | |||||||||||
| Notation | Product Groups | Cu | Zn | Bi | Al | Fe | Mn | Ni | Pb | Si | Sn |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CuZn38Bi1Al-C | B and D | 58,0 % – 63,0 % | Remainder | 0,3 % – 1,6 % | 0,3 % – 0,9 % | ≤ 0,3 % | ≤ 0,05 % | ≤ 0,05 % | ≤ 0,1 % | ≤ 0,05 % | ≤ 0,5 % |
| Each other impurity < 0,02 % | |||||||||||
| Notation | Product Groups | Cu | Sn | Zn | Pb | Ni | Fe | P | S | Sb |
|---|---|---|---|---|---|---|---|---|---|---|
| CC499K (CuSn5Zn5Pb2-C) | B and D | 84,0 % – 88,0 % | 4,0 % – 6,0 % | 4,0 % – 6,0 % | 0,2 % – 3,0 % | 0,1 % – 0,60 % | ≤ 0,30 % | ≤ 0,04 % | ≤ 0,04 % | ≤ 0,10 % |
| Each other impurity < 0,02 % | ||||||||||
Using all the possibilities of technology, Mes Metal is growing and developing day by day, constantly improving its service and product quality, meeting customer satisfaction and aiming to be ahead of its international competitors.
In 1981, Mes Metal A.Ş. started brass rod production and has since become one of the leading manufacturers of copper alloys in Türkiye, driven by its investments in technology and quality.
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Baksav Sanayi Sitesi, Mustafa Kurdoğlu Cad. No: 22 Beylikdüzü - İstanbul TÜRKİYE
info@mesmetal.com
Baksav Sanayi Sitesi, Mustafa Kurdoğlu Cad. No: 22 Beylikdüzü - İstanbul TURKEY
info@mesmetal.com
