Surface treatment

We offer different surface treatments for your pieces. In the tables below you will be able to compare the different abilities of the alloys in order to allow you to choose the ones that best suit your needs.

A = Excellent // B = Good // C = Fair // D = Poor // E = Not recommended // F = Inappropriate

Hot forging Aluminium

European Standard 573-3
Polishing Chrome plating Nickel plating Tinning Painting Silvering Gilding Anodisation
EN AW-1050A (Al99.5) A B B A A B A
EN AW-2017A (AlCu4MgSi) B B B A A B B
EN AW-2024 (AlCu4Mg1) Aéro B B B A A B B
EN AW-2618A (AlCu2Mg1.5Ni) Aéro B B B A A B B
EN AW-5754 (AlMg3) A B B A A B A
EN AW-6060 (AlMgSi) A A A A A B A
EN AW-6082 (AlSiMgMn) A A A A A B A
EN AW-7075 (AlZn5.5MgCu) B B B A A B A
EN AW-7175 (AlZN5.5MgCu(B)) Aéro B B B A A B A

High pressure Aluminium die casting

European Standard EN 1706
Polishing Chrome plating Nickel plating Tinning Painting Silvering Gilding Anodisation Corrosion
EN AC-43400 (AlSi10Mg(Fe)) B/C B B C C B E C
EN AC-43500 (AlSi10MnMg) D B B C C B E B
61 D (AS10G) D B B C C B E  
EN AC-44300 (AlSi12(Fe)) D B B C C B E C
EN AC-46000 (AlSi9Cu3(Fe)) C B B C C B E D
EN AC-46200 (AlSi8Cu3) C B B C C B E D
EN AC-46500 (AlSi9Cu3(Fe)(Zn)) C B B C C B E D
EN AC-47100 (AlSi12Cu1(Fe)) C B B C C B E C

Anodisation of foundry pieces in aluminium alloys is achievable on alloys whose % of Si is < 4%
Aluminium alloys have a better corrosion resistance if the % of Cu is < 1% and the % of Zn is < 0.5%

Gravity die casting aluminium

European Standard EN 1706
Polishing Chrome plating Nickel plating Tinning Painting Silvering Gilding Anodisation Corrosion
EN AC-21000 (AlCu4MgTi) B B B C C B C D
EN AC-41000 (AlSi2MgTi) B B B C C B B B
EN AC-42000 (AlSi7MgFe) C B B C C B D B/C
EN AC-42100 (AlSi7Mg0.3) C B B C C B D B
EN AC-42100 X67 (AS7G 0 .3) C           D B
EN AC-42200 (AlSi107Mg0.6) C B B C C B D B
EN AC-43100 (AlSi10Mg) D B B C C B E C
EN AC-44100 (AlSi12(b)) D B B C C B E B/C
EN AC-44200 43X (AS12) D B B C C B E BA
EN AC-51100 (AlMg3) A B B C C B A A

Anodisation of foundry pieces in aluminium alloys is achievable on alloys whose % of Si is < 4%

High pressure zamak die casting

European Standard EN 1774
Polishing Chrome plating Nickel plating Tinning Painting Silvering Gilding Anodisation Zink
Zamak SAVE A B B C B B F A
ZL0400 (ZnAl4) A B B C B B F A
ZL0410 (ZnAl4Cu1) A B B C B B F A
ZL0430 (ZnAl4Cu3) A B B C B B F A

High pressure brass die casting

European Standard EN 1982
Polishing Chrome plating Nickel plating Tinning Painting Silvering gilding Anodisation Zink
CB751S (CuZn33Pb2Si-B) A A A A A A F A
CB752S (CuZn35Pb2Al) A A   A A A F A
CB752S CB754 (CuZn39Pb1Al-B) A A A A A A F A
CB761S CuZn16Si4-B) A A A A A A F A

Hot forging brass

European Standard EN 1982
Polishing Chrome plating Nickel plating Tinning Painting Silvering gilding Anodisation Zink
CW304G (CuAl9Ni3Fe2) A A A A A A F A
CW307G (CuAl10Ni5Fe4) A A A A A A F A
CW510L (CuZn42) A A A A A A F A
CW612N (CuZn39Pb2) A A A A A A F A
CW617N (CuZn40Pb2) A A A A A A F A
CW710R (CuZn35Ni3Mn2AlPb) A A A A A A F A
CW713R (CuZn37Mn3Al2PbSi) A A A A A A F A

Hot forging copper

European Standard EN 12165
Polishing Chrome plating Nickel plating Tinning Silvering gilding Anodisation
CW004A (CuETP) EN 12165 A A A A A F
CW106C (CuCr1Zr) EN 12165 F     ? ? F
CW118C (CuTeP) EN 12164 F     E E F

Print Email