Alloy Specifications

Read about the European standards for aluminium alloys for foundries.

DIE CASTING ALLOYS

We present here the European standards for die casting. We show the chemical requirements for composition, casting properties, heat treatment and mechanical properties. We also provide a description of the general properties and the possible areas of use. We have these die casting alloys in our range, of course, but if you would like we can also help you to develop an alloy to suit your specific needs.

ALLOYS FOR DIE CASTING EN 1676

CHEMICAL COMPOSITION FOR CASTING ALLOYS EN 1676 (IN WEIGHT %)

Alloy designations:   Si Fe Cu Mn Mg Cr Ni Zn Pb Sn Ti1)
Numeric Chemical formula                      
EN AB-43400 AlSi10Mg(Fe) 9.0-11.0 0.45-0.9
(1.0)
0.08
(0.10)
0.55 0.25-0.50
(0.20-0.50)
- 0.15 0.15 0.15 0.05 0.15 (0.20)
EN AB-44300 AlSi12(Fe)(a) 10.5-13.5 0.45-0.9
(1.0)
0.08
(0.10)
0.55 - - - 0.15 - - 0.15
EN AB-44400 AlSi9 8.0-11.0 0.55
(0.65)
0.08
(0.10)
0.50 0.10 - 0.05 0.15 0.05 0.05 0.15
EN AB-44500 AlSi12(Fe)(b) 10.5-13.5 0.45-0.90
(1.0)
0.18
(0.20)
0.55 0.40 - - 0.30 - - 0.15
EN AB-46000 AlSi9Cu3(Fe) 8.0-11.0 0.6-1.1
(1.3)
2.0-4.0 0.55 0.15-0.55
(0.05-0.55)
0.15 0.55 1.2 0.35 0.15 0.20
(0.25)
EN AB-46100 AlSi11Cu2(Fe) 10.0-12.0 0.45-1.0
(1.1)
1.5-2.5 0.55 0.30 0.15 0.45 1.7 0.25 0.15 0.20
(0.25)
EN AB-46500 AlSi9Cu3(Fe)(Zn) 8.0-11.0 0.6-1.2
(1.3)
2.0-4.0 0.55 0.15-0.55
(0.05-0.55)
0.15 0.55 3.0 0.35 0.15 0.20
(0.25)
EN AB-47100 AlSi12Cu1(Fe) 10.5-13.5 0.6-1.1
(1.3)
0.7-1.2 0.55 0.35 0.15 0.30 0.55 0.20 0.10 0.15
(0.20)
EN = European standard
AB = Aluminium ingots
Comments: The values in brackets are the composition of castings (EN AC) when they differ from ingots
1) Composition with respect to Ti does not include titanium with compounds intended for grain refinement.

 

ALLOYS

CASTING PROPERTIES EN 1706

HEAT TREATMENT

Alloy designation Other2) each Other2) total Solidification interval**°C approx. Casting temperature**°C approx. Fluidity* Resistance to hot tearing* Shrinkage** % approx. Density** kg/dm3 approx.  
EN AB-43400 0.05 0.15 600-550 600-650 A A 0.5-0.8 2.65 Normally not heat treated
EN AB-44300 0.05 0.25 580-570 600-700 A A 0.5-0.8 2.65 Not age-hardenable
EN AB-44400 0.05 0.15 600-550 650-700 A A 0.5-0.8 2.65 Not age-hardenable.
EN AB-44500 0.05 0.25 600-550 600-700 A A 0.5-0.8 2.65 Normally not heat treated.
EN AB-46000 0.05 0.25 600-490 600-650 B B 0.5-0.8 2.75 Normally not heat treated.
EN AB-46100 0.05 0.25 580-530 650-700 A B 0.5-0.8 2.75 Normally not heat treated.
EN AB-46500 0.05 0.25 600-490 650-700 B B 0.5-0.8 2.75 Normally not heat treated.
EN AB-47100 0.05 0.25 580-530 600-680 A A 0.5-0.8 2.65 Normally not heat treated
2) "Other" does not include substances for grain refinement or purification of melt, such as Na, Sr, Sb and P.       * according to EN 1706. ** according to Aluminium Gusslegierung VAR
Classification: A=Excellent B=Good C=Fair D=Not recommended E=Unsuitable

 

 

 

ALLOYS FOR DIE CASTING EN 1676

MECHANICAL PROPERTIES EN 17061)

General description of properties

Alloy designations:  Conditions2)  Breaking strength
Rm MPa3) min.
 
Yield strength
Rp0.2 MPa3) min.
 
Elongation A50 % min.  Brinell hardness HBS min.    
Numeric Chemical formula
EN AB-43400 AlSi10Mg(Fe) DF 240 140 1 70 Near-eutectic alloy with excellent casting properties and good resistance to hot tearing.  Good machinability as well as high chemical resistance.
EN AB-44300 AlSi12(Fe)(a) DF 240 130 1 60 Eutectic alloy with excellent casting properties, excellent fluidity and high resistance to hot tearing. Good machinability as well as high chemical resistance.
EN AB-44400 AlSi9 DF 220 120 2 55 Near-eutectic alloy with excellent casting properties but with risk of adhesion to tools.  Good resistance to hot tearing as well as high chemical resistance.
EN AB-44500 AlSi12(Fe)(b) DF 240 140 1 60 Eutectic alloy with excellent casting properties. Good machinability with relatively high chemical resistance.
EN AB-46000 AlSi9Cu3(Fe) DF 240 140 <1 80 Very good castable universal alloy, especially suitable for die casting. Slight tendency to sinking and forming internal porosity. Good machinability.
EN AB-46100 AlSi11Cu2(Fe) DF 240 140 <1 80 Alloy with very good castability, excellent fluidity and good machinability.
EN AB-46500 AlSi9Cu3(Fe)(Zn) DF 240 140 <1 80 Very good castable universal alloy, especially suitable for die casting Slight tendency to sinking and forming internal porosity. Very good machinability.
EN AB-47100 AlSi12Cu1(Fe) DF 240 140 1 70 Eutectic alloy with excellent casting properties, excellent fluidity and high resistance to hot tearing. Good machinability.
EN = European standard
AC = Component cast in aluminium
1) Values given are only guideline values. This is the minimum value for separately cast bars with a thickness of 2.0 mm. Correct values can only be given by testing the whole component.
2) DF = Die casting, casting condition. 3) 1MPa = 1N/mm2.

 

ALLOYS

Possible Uses

MECHANICAL PROPERTIES EN 17061)

Alloy designation   Pressure sealing*  Strength  Machinability  Weldability4) Corrosion resistance Decorative anodization Polishability Linear expansion coefficient 20-100°C Electrical conductivity MS/m  Thermal conductivity w/m K 
EN AB-43400 For complicated, thin-wall, pressure-tight castings subject to fatigue loading, with high strength and good corrosion resistance. C B B C C E B/C 21x10-6 16-21 130-150
EN AB-44300 For complicated, thin-wall, pressure-tight castings subject to fatigue loading, with good corrosion resistance. Especially for difficult, thin-wall castings with good elongation. C B C D C E D 20x10-6 16-22 130-160
EN AB-44400 For castings with requirements for toughness and corrosion resistance. C C C D C E D 21x10-6 16-22 130-150
EN AB-44500 For complicated, thin-wall, pressure-tight castings subject to fatigue loading, with high strength and relatively good corrosion resistance. C B C D C E D 20x10-6 16-22 130-160
EN AB-46000 For all-round use. Even for complicated thin-wall castings. Especially for die castings with high stresses. C B B F D E C 21x10-6 13-17 110-120
EN AB-46100 For all-round use. Especially for thin-wall castings. C B C F D E C 20x10-6 14-18 120-130
EN AB-46500 For all-round use. Even for complicated thin-wall castings. Especially for die castings with high stresses. B B B F D E C 21x10-6 13-17 110-120
EN AB-47100 For complicated, thin-wall, pressure-tight castings subject to fatigue loading. C B C F C E C 20x10-6 15-20 120-150
  4) The weldability of die castings depends on the quantity of internal gas and, in most cases, is very poor. With special die casting technology, satisfactory to good weldability can be obtained.

 

 

 

SAND AND CHILL CASTING ALLOYS

Here we present the European standards for sand and chill casting. We show the chemical requirements for composition, casting properties, heat treatment and mechanical properties. We also provide a description of the general properties as well as the possible areas of use. These sand and chill casting alloys are also available in our product range. If you wish we can create an alloy tailored to your production requirements.

 

ALLOYS FOR SAND AND CHILL CASTING EN 1676

CHEMICAL COMPOSITION FOR CASTING ALLOYS EN 1676 (IN WEIGHT %)

Alloy designations:   Si Fe Cu Mn Mg Cr Ni Zn Pb Sn Ti1)
Numeric Chemical formula                      
EN AB-42000 AlSi7Mg 6.5-7.5 0.45 (0.55) 0.15 (0.20) 0.35 0.25-0.65 (0.20-0.65) - 0.15 0.15 0.15 0.05 0.20 3) (0.25)
EN AB-43000 AlSi10Mg(a) 9.0-11.0 0.40 (0.55) 0.03 (0.05) 0.45 0.25-0.45 (0.20-0.45) - 0.05 0.10 0.05 0.05 0.15
EN AB-43100 AlSi10Mg(b) 9.0-11.0 0.45 (0.55) 0.08 (0.10) 0.45 0.25-0.45 (0.20-0.45) - 0.05 0.10 0.05 0.05 0.15
EN AB-43200 AlSi10Mg(Cu) 9.0-11.0 0.55 (0.65) 0.30 (0.35) 0.55 0.25-0.45 (0.20-0.45) - 0.15 0.35 0.10 - 0.15 (0.20)
EN AB-44100 AlSi12(b) 10.5-13.5 0.55 (0.65) 0.10 (0.15) 0.55 0.10 - 0.10 0.15 0.10 - 0.15
(0.20)
EN AB-44200 AlSi12(a) 10.5-13.5 0.40 (0.55) 0.03 (0.05) 0.35 - - - 0.10 - - 0.15
EN AB-44400 AlSi9 8.0-11.0 0.55 (0.65) 0.08 (0.10) 0.50 0.10 - 0.05 0.15 0.05 0.05 0.15
EN AB-46200 AlSi8Cu3 7.5-9.5 0.7 (0.8) 2.0-3.5 0.15-0.65 0.15-0.55 (0.05-0.55) - 0.35 1.2 0.25 0.15 0.20
(0.25)
EN AB-46400 AlSi9Cu1Mg 8.3-9.7 0.7 (0.8) 0.8-1.3 0.15-0.55 0.30-0.65 (0.25-0.65) - 0.20 0.8 0.10 0.10 0.18 3) (0.20)
EN AB-47000 AlSi12(Cu) 10.5-13.5 0.7 (0.8) 0.9 (1.0) 0.05-0.55 0.35 0.10 0.30 0.55 0.20 0.10 0.15 (0.20)
EN = European standard
AB = Aluminium ingots
Notes: The values in brackets are the composition of castings (EN AC) when they differ from ingots.
1) Composition in respect of Ti does not include titanium with impurities intended for grain refinement.
3) The lowest Ti content is not used for grain refinement are not relevant or otherwise satisfactory.

 

¨

ALLOYS

CASTING PROPERTIES

HEAT TREATMENT

Alloy designation Other2) each Other2) total Solidification interval**°C approx. Casting temperature**°C approx. Fluidity* Resistance to hot tearing* Shrinkage** % approx. Density** kg/dm3 approx.  
EN AB-42000 0.05 0.15 620-570 700-750 B A S:1-1.2
K:0.8-1
2.65 Solution-treated at 520-530°C for 3-6 hours, then rapidly cooled in water and age-hardened at 150-175°C for 15-5 hours.
EN AB-43000 0.05 0.15 600-550 670-750 A A S:1-1.2
K:0.8-1
2.65 Solution-treated at 520-530°C for 3-6 hours, then rapidly cooled in water and age-hardened at 150-175°C for 15-5 hours.
EN AB-43100 0.05 0.15 600-550 670-750 A A S:1-1.2
K:0.8-1
2.65 Solution-treated at 520-530°C for 3-6 hours, then rapidly cooled in water and age-hardened at 150-175°C for 15-5 hours.
EN AB-43200 0.05 0.15 600-550 670-750 A A S:1-1.2
K:0.8-1
2.65 Solution-treated at 520-530°C for 3-6 hours, then rapidly cooled in water and age-hardened at 150-175°C for 15-5 hours.
EN AB-44100 0.05 0.15 580-570 670-750 A A S:1-1.2
K:0.8-1
2.65 Not able to be heat aged. Annealed at 520-530°C for 3-5 hours, then rapidly cooled in water.
EN AB-44200 0.05 0.15 580-570 670-750 A A S:1-1.1
K:0.8-1
2.75 Not able to be heat aged. Annealed at 520-530°C for 3-5 hours, then rapidly cooled in water.
EN AB-44400 0.05 0.15 600-500 680-750 A A K:0.8-1 2.75 Not age-hardenable.
EN AB-46200 0.05 0.25 600-500 680-750 B B S:1-1.1
K:0.9-1
2.65 Usually not age hardened.
EN AB-46400 0.05 0.25 600-550 680-750 B B S:1-1.1
K:0.8-1
2.65 Solution-treated at 520-530°C for 3-6 hours, then rapidly cooled in water and age-hardened at 150-175°C for 15-5 hours.
EN AB-47000 0.05 0.25 580-530 680-750 A A S:1-1.2 K:0.8-1 2.65 Not age-hardenable.
2) "Other" does not include the substances for grain refinement or refining of smelt such as Na, Sr, Sb and P.       * in accordance with EN 1706. ** in accordance with Aluminium Gusslegierung VAR
Classification: A=Excellent B=Good C=Fair D=Not recommended E=Unsuitable

 

 

SAND AND CHILL CASTING ALLOYS, CONT.

 

ALLOYS FOR SAND AND CHILL CASTING

MECHANICAL PROPERTIES FOR SEPARATELY CAST TEST BARS EN 1706

General description of properties

Alloy descriptions:  Condition1)  Breaking strength
Rm MPa2) min.
 
Yield limit
Rp0.2 MPa2) min.
 
Elongation A50 % min.  Brinell hardness HBS min.    
Numeric ISO
EN AC-42000 ISO AlSi7Mg SF
ST6
KF
KT6
KT64
140
220
170
260
240
80
180
90
220
200
2
1
2.5
1
2
50
75
55
90
80
Hypoeutectic alloy with good casting properties. Good machinability, good weldability and high chemical resistance.
EN AC-43000 ISO AlSi10Mg(a) SF
ST6
KF
KT6
KT64
150
220
180
260
240
80
180
90
220
200
2
1
2.5
1
2
50
75
55
90
80
Near-eutectic alloy with excellent casting properties and good resistance to hot tearing. Good machinability, excellent weldability and high chemical resistance.
EN AC-43100 ISO AlSi10Mg(b) SF
ST6
KF
KT6
KT64
150
220
180
260
240
80
180
90
220
200
2
1
2.5
1
2
50
75
55
90
80
Near-eutectic alloy with excellent casting properties and good resistance to hot tearing. Good machinability, excellent weldability and high chemical resistance.
EN AC-43200 ISO AlSi10Mg(Cu) SF
ST6
KF
KT6
160
220
180
240
80
180
90
200
1
1
1
1
50
75
55
80
Near-eutectic alloy with excellent casting properties and good resistance to hot tearing. Good machinability and excellent weldability.
EN AC-44100 ISO AlSi12(b) SF
KF
150
170
70
80
4
5
50
55
Eutectic alloy with excellent casting properties, excellent fluidity and high resistance to hot tearing. Good machinability, excellent weldability and high chemical resistance.
EN AC-44200 ISO AlSi12(a) SF
KF
150
170
70
80
5
6
50
55
Eutectic alloy with excellent casting properties, excellent fluidity and high resistance to hot tearing. Good machinability, excellent weldability and high chemical resistance.
EN AC-44440 ISO A1Si9 SF
KF
170
180
80
90
4
5
50
55
Near-eutectic alloy with excellent casting properties and good resistance to hot tearing. Good machinability, excellent weldability and high chemical resistance.
EN AC-46200 ISO AlSi8Cu3 SF
KF
150
170
90
100
1
1
60
75
Very good castable universal alloy. Slight tendency to sinking and forming internal porosity. Good machinability and good weldability.
EN AC-46400 ISO AlSi9Cu1 Mg SF
KF
KT6
135
170
275
90
100
235
1
1
1.5
60
75
105
Very good castable universal alloy. Slight tendency to sinking and forming internal porosity. Good machinability and good weldability.
EN AC-47000 ISO AlSi12(Cu) SF
KF
150
170
80
90
1
2
50
55
Eutectic alloy with excellent casting properties, excellent fluidity and high resistance to hot tearing. Good machinability, excellent weldability.
EN = European standard
AB = Aluminium ingots. Note: The values in brackets are the composition of castings (EN AC) when they differ from ingots.
1) Composition in respect of Ti does not include titanium with impurities intended for grain refinement.
2) ”Other” does not include the substances for grain refinement or refining of smelt such as Na, Sr, Sb and P.
3) The lowest Ti content is not used if grain refinement is not relevant or otherwise satisfactory.

 

ALLOYS

Areas of use

MECHANICAL AND PHYSICAL PROPERTIES

Alloy designation   Pressure tightness*  Strength  Machinability  Weldability4) Corrosion resistance Decorative anodising Polishability Linear expansion coefficient 20-200°C Electrical conductivity MS/m  Heat conductivity§ W/m °K 
EN AC-42000 For complicated, pressure-tight castings subject to fatigue loading. Good corrosion resistance and high strength following heat treatment. B B B/C B B/C D C 22x10-6 19-25 150-170
EN AC-43000 For complicated, thin-wall, pressure-tight castings. Very good corrosion resistance and high strength following heat treatment. B B B/C A B E D 21x10-6 18-25 140-170
EN AC-43100 For complicated, thin-wall, pressure-tight castings subject to fatigue loading. Good corrosion resistance and high strength following heat treatment. B B B/C A C E D 21x10-6 18-25 140-170
EN AC-43200 For complicated, thin-wall, pressure-tight castings subject to fatigue loading. High strength following heat treatment but with limited properties in terms of corrosion resistance. B B B/C A C E C 21x10-6 16-24 130-170
EN AC-44100 For complicated, thin-wall, pressure-tight castings subject to fatigue loading. Good elongation and good corrosion resistance. A D C A B/C E D 20x10-6 16-23 130-160
EN AC-44200 For complicated, thin-wall, pressure-tight castings subject to fatigue loading. Good elongation and very good corrosion resistance. A D C A B E D 20x10-6 17-24 140-170
EN AC-44440 For castings with requirements for toughness and corrosion resistance. C C C D C E D 21x10-6 16-22 130-150
EN AC-46200 For all-round use, even for complicated thin-wall castings. B B B B D E C 21x10-6 14-18 110-130
EN AC-46400 For all-round use, even for complicated thin-wall castings. B A B B D E D 21x10-6 16-22 130-150
EN AC-47000 For complicated, thin-wall, pressure-tight castings subject to fatigue loading, but with limits in respect of corrosion resistance and toughness. A D C A C E C 20x10-6 16-22 130-150
* in accordance with EN 1706
** in accordance with Aluminium Gusslegierung VAR
A=Excellent B=Good C=Fair D=Not recommended E=Unsuitable

 

 

 

ALLOY KEYS

 

ALLOYS FOR DIE CASTING

Europe EN 1706 Sweden SS Germany VAR US AA Japan JIS UK BS France NF Italy UNI
43400   239 D   ADC3      
44300   230 D A413.0 ADC2 LM20 A-S12  
44400 4255         AS-9  
44500 4263            
46000 4250 226 D   ADC10 LM24 A-S9U3 5075
46100       ADC12Z LM2    
46500 4252 226/3   ADC10Z LM24 A-S9U3X 4525
47100 4260 231D     LM20 A-S12U 5079
We reserve the right for any errors. There is no accuracy in the comparisons between the alloys, but it indicates comparable alloy types.

 

 

ALLOYS FOR SAND AND CHILL CASTING

Europe EN 1706 Sweden SS Germany VAR US AA Japan JIS UK BS France NF Italy UNI
42000 4244   356.0 AC4C LM25 A-S7G 3599
43000 4253 239   AC4A, Al-Si 10 Mg      
43100 4253 239   AC4A, Al-Si 10 Mg   A-S10G 3051
43200 4253 233   AC4A      
44100 4261 230 B413.0 AC3A, Al-Si 12 LM6 A-S13 4514
44200 4261 230          
44400 4255         AS-9  
46200 4251 226 B380.1 AC4B LM27 A-S7U3G 3601
46400             7369
47000 4260 231   Al-Si 12 Cu   A-S12U 3048
We reserve the right for any errors. There is no accuracy in the comparisons between the alloys, but it indicates comparable alloy types.

 

STENAL 460

This is a further development of the most common casting alloy, EN AB-46000 (Al Si9Cu3(Fe)), with high-performance properties. Stenal 460 has a tighter alloying range for favorable process effects and adjusted levels of alloying elements, which improves its properties. The alloy has a lower iron content, is alloyed with strontium and the manganese content is balanced against the iron content compared to a standard alloy. The distinguishing properties of Stenal 460 are high strength, good fatigue properties and good plastic strain. Apart from the excellent strength properties, the alloy gives a lower process variation, which provides good opportunities for lower discard levels. The lower porosity in die castings makes it possible to heat-treat the component, which in turn makes it possible to tailor the properties to the application.

 

STENAL RHEO

An alloy developed for rheo casting with good casting properties in half-solidified condition (often around 30-40% solid phase) Moderate strength properties. The distinguishing properties are good mold filling and high thermal conductivity.
The alloy is only intended to rheo casting. Ideal for complex and thin-wall castings, but also works well for thick-wall components with moderate requirements on the mechanical properties. 
The alloy can be heat treated or age-hardened if casting porosity is kept low.

  • Share this page