Metals

• Excellent corrosion resistance in most media.
• Excellent weldability.
• Easily formable.
• Good value for money.
  • Low resistance to corrosion in cracks, pitting and under stress in environments with chlorides.

Carbon ≤ 0.08 %

Silicon ≤ 1.00 %

Manganese ≤ 1.00 %

Phosphorus ≤ 0.045 %

Sulphur ≤ 0.030 %

Chromium 18.00- 20.00 %

Nickel 8.00 – 11.00 %

Iron % Remainder

• Cremone mechanisms.
• Stay arms for Tilt&Turn.

• Good corrosion resistance in most media.
• Good surface finish.
• Worse weldability than 304. The thermally affected area can become fragile and sensitive (loses its corrosion protection).
  • Low resistance to corrosion by cracks, pitting and under stress in environments with chlorides.

Carbon ≤ 0.10 %

Silicon ≤ 1.00 %

Manganese ≤ 1.00 %

Phosphorus ≤ 0.04 %

Sulphur ≤ 0.02 %

Chromium 16.00 – 18.00 %

Iron % Remainder

• Cremone mechanisms.
• Stay arms for Tilt&Turn.

• Light alloy.
• Among the aluminium alloys it provides good mechanical resistance.
  • Low resistanceto atmospheric corrosion.
  • Poor solderability by conventional processes.

Copper 2.00-4.00 %

Magnesium 0.05 – 0.55 %

Iron ≤ 1.30 %

Lead ≤ 0.35 %

Tin ≤ 0.15 %

Níckel ≤ 0.55 %

Zinc 1.20%

Manganese 0.55% 

Silicon 8.00 – 11.00 %

Chrome 0.15%

Titanium 0.25% 

Trace metals ≤ 0.25 % 

Aluminium % Remainder

• Handles.
• Trims.
• Pull handles.
• Hinges.

• Can be precipitation hardened. 
• Mechanical properties depending on heat treatment. 
• Excellent resistance to atmospheric corrosion. 
• Very good resistance to pitting in the presence of chloride ions.  
• Good resistance to stress corrosion cracking and stress cracking. 
• Acceptable machinability.  
  • Poor chip fragmentation (generates long chips during machining). . 
• Intermediate cold formability.  
• Good weldability. 
  • Mechanical strength in HAZ decreases significantly.  
• Excellent for decorative anodising.

Magnesium 0,45 – 0,9 %

Silicon 0,2 – 0,6 %

Manganese < 0,1%

Copper< 0,01%

Aluminium > % Remainder

• Profiles for window and door frames.
• Solar panel systems.
• Building structures.
• Aircraft components.
• Auto parts.
• Parts for furnishings, handrails and showcases.
• Parts for bicycles.

• Better finishes and lower cost that aluminium pieces.
• Complex geometries can be injected.
  • Heavier than aluminium pieces.

Aluminium 3.50 – 4.30 %

Cadmium ≤ 0.004 % 

Copper 0.75 – 1.25 %

Iron ≤ 0.10 % 

Lead ≤ 0.005 %

Magnesium 0.03 – 0.08 %

Tin ≤ 0.003 %

Zinc 94.25 – 95.72 %

• Small parts mounted on the window frame.
• Small parts of the mechanisms.