Alloys

G-AlSi7 Mg wa | EN AC-42100 ST6

G-AlSi7 Mg wa
Alloy components
Si
  6,5-7,5  
 Fe
0,19
Cu
0,05
 Mn
0,10
Mg
0,20-0,45
 Ni
0
Zn
0,07
 Ti
0,08-0,25
Material properties
Yield strength Rp0.2 MPa min.
190
Tensile strength Rm MPa min.
230
Elongation at break A50 mm % min.
2,0
Brinell hardness HBS
75
Bending strength
bw N/mm2
8,0
Density kg / dm
2,70
GK-AlSi7 Mg wa
Features
Strength
looks good
Machinability
looks good
Weldability
excellent
Polishability
good
Examples of use
For castings with medium to large wall thicknesses with high strength and toughness (artificially aged), corrosion resistant, aircraft industry.

GK-AlSi7 Mg wa | EN AC-42100 KT6

GK-AlSi7 Mg wa
Alloy components
Si
  6,5-7,5  
 Fe
0,19
Cu
0,05
 Mn
0,10
Mg
0,20-0,45
 Ni
0
Zn
0,07
 Ti
0,08-0,25
Material properties
Yield strength Rp0.2 MPa min.
210
Tensile strength Rm MPa min.
290
Elongation at break A50 mm % min.
4,0
Brinell hardness HBS
90
Bending strength
bw N/mm2
9,0
 
Density kg / dm
2,70
GK-AlSi7 Mg wa
Features
Strength
looks good
Machinability
looks good
Weldability
excellent
Polishability
good
Examples of use
For castings with medium to large wall thicknesses with high strength and toughness (artificially aged), corrosion resistant, aircraft industry.

G-AlSi10 Mg | EN AC-43000 SF | EN AC-Al Si10Mg(a)

G-AlSi10 Mg
Alloy components
Si
  9,0-11,0
 Fe
0,55
Cu
0,05
 Mn
0,45
Mg
0,20-0,45
 Ni
0,05
Zn
0,10
 Ti
0,15
Material properties
Yield strength Rp0.2 MPa min.
80
Tensile strength Rm MPa min.
150
Elongation at break A50 mm % min.
2,0
Brinell hardness HBS
50
Bending strength
bw N/mm2
6,5-7,5
Density kg / dm
2,65
G-AlSi10 Mg
Features
Strength
good, hardened very well
Machinability
good
Weldability
excellent
Polishability
good
Examples of use
Near-eutectic alloy with excellent casting properties, good hot tearing resistance and good machinability.

G-AlSi10 Mg wa | EN AC-43000 ST6

G-AlSi10 Mg wa
Alloy components
Si
  9,0-11,0
 Fe
0,55
Cu
0,05
 Mn
0,45
Mg
0,20-0,45
 Ni
0,05
Zn
0,10
 Ti
0,15
Material properties
Yield strength Rp0.2 MPa min.
180
Tensile strength Rm MPa min.
220
Elongation at break A50 mm % min.
1,0
Brinell hardness HBS
75
Bending strength
bw N/mm2
9,0-11,0
 
Density kg / dm
2,65
G-AlSi10 Mg wa
Features
Strength
good, hardened very well
Machinability
good
Weldability
excellent
Polishability
good
Examples of use
Near-eutectic alloy with excellent casting properties, good hot tearing resistance and good machinability.

GK-AlSi10 Mg | EN AC-43000 KF

GK-AlSi10 Mg
Alloy components
Si
  9,0-11,0
 Fe
0,55
Cu
0,05
 Mn
0,45
Mg
0,20-0,45
 Ni
0,05
Zn
0,10
 Ti
0,15
Material properties
Yield strength Rp0.2 MPa min.
90
Tensile strength Rm MPa min.
180
Elongation at break A50 mm % min.
2,5
Brinell hardness HBS
55
Bending strength
bw N/mm2
8,0-10,0
 
Density kg / dm
2,65
GK-AlSi10 Mg
Features
Strength
good, hardened very well
Machinability
good
Weldability
excellent
Polishability
good
Examples of use
Near-eutectic alloy with excellent casting properties, good hot tearing resistance and good machinability.

GK-AlSi10 Mg wa | EN AC-43000 KT6

GK-AlSi10 Mg wa
Alloy components
Si
  9,0-11,0
 Fe
0,55
Cu
0,05
 Mn
0,45
Mg
0,20-0,45
 Ni
0,05
Zn
0,10
 Ti
0,15
Material properties
Yield strength Rp0.2 MPa min.
220
Tensile strength Rm MPa min.
260
Elongation at break A50 mm % min.
1,0
Brinell hardness HBS
90
Bending strength
bw N/mm2
10,0-11,0
 
Density kg / dm
2,65
GK-AlSi10 Mg wa
Features
Strength
good, hardened very well
Machinability
good
Weldability
excellent
Polishability
good
Examples of use
Near-eutectic alloy with excellent casting properties, good hot tearing resistance and good machinability.

G-AlSi10 Mg(Cu) | EN AC-43200 SF | EN AC-Al Si10Mg(Cu)

G-AlSi10 Mg(Cu)
Alloy components
Si
  9,0-11,0
 Fe
0,65
Cu
0,35
 Mn
0,55
Mg
0,20-0,45
 Ni
0,15
Zn
0,35
 Ti
0,20
Material properties
Yield strength Rp0.2 MPa min.
80
Tensile strength Rm MPa min.
160
Elongation at break A50 mm % min.
1,0
Brinell hardness HBS
50
Bending strength
bw N/mm2
6,5-7,5
 
Density kg / dm
2,65
G-AlSi10 Mg(Cu)
Features
Strength
good, hardened very well
Machinability
good
Weldability
excellent
Polishability
good
Examples of use
Near-eutectic alloy with excellent casting properties, good hot tearing resistance and good machinability.

G-AlSi10 Mg (Cu) wa | EN AC-43200 ST6

G-AlSi10 Mg(Cu) wa
Alloy components
Si
  9,0-11,0
 Fe
0,65
Cu
0,35
 Mn
0,55
Mg
0,20-0,45
 Ni
0,15
Zn
0,35
 Ti
0,20
Material properties
Yield strength Rp0.2 MPa min.
180
Tensile strength Rm MPa min.
220
Elongation at break A50 mm % min.
1,0
Brinell hardness HBS
75
Bending strength
bw N/mm2
8,0-10,0
 
Density kg / dm
2,65
G-AlSi10 Mg(Cu) wa
Features
Strength
good, hardened very well
Machinability
good
Weldability
excellent
Polishability
good
Examples of use
Near-eutectic alloy with excellent casting properties, good hot tearing resistance and good machinability.

GK-AlSi10 Mg (Cu) | EN AC-43200 KF

GK-AlSi10 Mg(Cu)
Alloy components
Si
  9,0-11,0
 Fe
0,65
Cu
0,35
 Mn
0,55
Mg
0,20-0,45
 Ni
0,15
Zn
0,35
 Ti
0,20
Material properties
Yield strength Rp0.2 MPa min.
90
Tensile strength Rm MPa min.
180
Elongation at break A50 mm % min.
1,0
Brinell hardness HBS
55
Bending strength
bw N/mm2
7,0-9,0
 
Density kg / dm
2,65
GK-AlSi10 Mg(Cu)
Features
Strength
good, hardened very well
Machinability
good
Weldability
excellent
Polishability
good
Examples of use
Near-eutectic alloy with excellent casting properties, good hot tearing resistance and good machinability.

GK-AlSi10 Mg (Cu) wa | EN AC-43200 KT6

GK-AlSi10 Mg(Cu) wa
Alloy components
Si
  9,0-11,0
 Fe
0,65
Cu
0,35
 Mn
0,55
Mg
0,20-0,45
 Ni
0,15
Zn
0,35
 Ti
0,20
Material properties
Yield strength Rp0.2 MPa min.
200
Tensile strength Rm MPa min.
240
Elongation at break A50 mm % min.
1,0
Brinell hardness HBS
80
Bending strength
bw N/mm2
9,0-10,0
 
Density kg / dm
2,65
GK-AlSi10 Mg(Cu) wa
Features
Strength
good, hardened very well
Machinability
good
Weldability
excellent
Polishability
good
Examples of use
Near-eutectic alloy with excellent casting properties, good hot tearing resistance and good machinability.

G-AlSi9 Mg wa | EN AC-43300 ST6 | EN AC-Al Si9Mg

G-AlSi9 Mg wa
Alloy components
Si
  9,0-10,0
 Fe
0,19
Cu
0,05
 Mn
0,10
Mg
0,25-0,45
 Ni
0
Zn
0,07
 Ti
0,15
Material properties
Yield strength Rp0.2 MPa min.
190
Tensile strength Rm MPa min.
230
Elongation at break A50 mm % min.
2,0
Brinell hardness HBS
75
Bending strength
bw N/mm2
7,0
 
Density kg / dm
2,65
G-AlSi9 Mg wa
Features
Strength
looks good
Machinability
looks good
Weldability
excellent
Polishability
good
Examples of use
For complex, thin-walled castings with high strength and good toughness (artificially aged) with very good corrosion resistance, aircraft industry, textile machinery.

GK-AlSi9 Mg wa | EN AC-43300 KT6

GK-AlSi9 Mg wa
Alloy components
Si
  9,0-10,0
 Fe
0,19
Cu
0,05
 Mn
0,10
Mg
0,25-0,45
 Ni
0
Zn
0,07
 Ti
0,15
Material properties
Yield strength Rp0.2 MPa min.
210
Tensile strength Rm MPa min.
290
Elongation at break A50 mm % min.
4,0
Brinell hardness HBS
90
Bending strength
bw N/mm2
8,0
 
Density kg / dm
2,65
GK-AlSi9 Mg wa
Features
Strength
looks good
Machinability
looks good
Weldability
excellent
Polishability
good
Examples of use
For complex, thin-walled castings with high strength and good toughness (artificially aged) with very good corrosion resistance, aircraft industry, textile machinery.

G-AlSi12 | EN AC-44200 SF | EN AC-Al Si12(a)

G-AlSi12
Alloy components
Si
  10,5-13,5
 Fe
0,55
Cu
0,05
 Mn
0,35
Mg
0
 Ni
0
Zn
0,10
 Ti
0,15
Material properties
Yield strength Rp0.2 MPa min.
70
Tensile strength Rm MPa min.
150
Elongation at break A50 mm % min.
5,0
Brinell hardness HBS
50
Bending strength
bw N/mm2
5,5-6,5
 
Density kg / dm
2,65
G-AlSi12
Features
Strength
good
Machinability
good
Weldability
excellent
Polishability
ausreichend
Examples of use
Eutectic alloy with excellent mould filling capacity, high hot tearing resistance and excellent casting properties at a high chemical resistance.

GK-AlSi12 | EN AC-44200 KF

GK-AlSi12
Alloy components
Si
  10,5-13,5
 Fe
0,55
Cu
0,05
 Mn
0,35
Mg
0
 Ni
0
Zn
0,10
 Ti
0,15
Material properties
Yield strength Rp0.2 MPa min.
80
Tensile strength Rm MPa min.
170
Elongation at break A50 mm % min.
6,0
Brinell hardness HBS
55
Bending strength
bw N/mm2
7,0-8,0
 
Density kg / dm
2,65
GK-AlSi12
Features
Strength
good
Machinability
good
Weldability
excellent
Polishability
ausreichend
Examples of use
Eutectic alloy with excellent mould filling capacity, high hot tearing resistance and excellent casting properties at a high chemical resistance.

G-AlSi12 (Cu) | EN AC-47000 SF | EN AC-Al Si12 (Cu)

G-AlSi12(Cu)
Alloy components
Si
  10,5-13,5
 Fe
0,80
Cu
1,00
 Mn
0,05-0,55
Mg
0,35
 Ni
0,30
Zn
0,55
 Ti
0,20
Material properties
Yield strength Rp0.2 MPa min.
80
Tensile strength Rm MPa min.
150
Elongation at break A50 mm % min.
1,0
Brinell hardness HBS
50
Bending strength
bw N/mm2
6,0-7,0
 
Density kg / dm
2,65
G-AlSi12(Cu)
Features
Strength
good
Machinability
good
Weldability
excellent
Polishability
ausreichend
Examples of use
Eutectic alloy with excellent mould filling capacity, high hot tearing resistance and excellent casting properties.

GK-AlSi12 (Cu) | EN AC- 47000 KF

GK-AlSi12(Cu)
Alloy components
Si
  10,5-13,5
 Fe
0,80
Cu
1,00
 Mn
0,05-0,55
Mg
0,35
 Ni
0,30
Zn
0,55
 Ti
0,20
Material properties
Yield strength Rp0.2 MPa min.
90
Tensile strength Rm MPa min.
170
Elongation at break A50 mm % min.
2,0
Brinell hardness HBS
55
Bending strength
bw N/mm2
7,0-8,0
 
Density kg / dm
2,65
GK-AlSi12(Cu)
Features
Strength
good
Machinability
good
Weldability
excellent
Polishability
ausreichend
Examples of use
Eutectic alloy with excellent mould filling capacity, high hot tearing resistance and excellent casting properties.

G-AlSi8 Cu3 | EN AC-46200 SF | EN AC-Al SI8Cu3

 

G-AlSi8 Cu3
Alloy components
Si
  7,5-9,5
 Fe
0,80
Cu
2,0-3,5
 Mn
0,15-0,65
Mg
0,05-0,55
 Ni
0,35
Zn
1,2
 Ti
0,25
Material properties
Yield strength Rp0.2 MPa min.
90
Tensile strength Rm MPa min.
150
Elongation at break A50 mm % min.
1,0
Brinell hardness HBS
60
Bending strength
bw N/mm2
5,0-7,0
 
Density kg / dm
2,75
G-AlSi8 Cu3
Features
Strength
good
Machinability
looks good
Weldability
looks good
Polishability
good
Examples of use
Well castable universal alloy. Characterised by lower tendency to collapse and to shrink. Very good machinability.

GK-AlSi8 Cu3 | EN AC-46200 KF

GK-AlSi8 Cu3
Alloy components
Si
  7,5-9,5
 Fe
0,80
Cu
2,0-3,5
 Mn
0,15-0,65
Mg
0,05-0,55
 Ni
0,35
Zn
1,2
 Ti
0,25
Material properties
Yield strength Rp0.2 MPa min.
100
Tensile strength Rm MPa min.
170
Elongation at break A50 mm % min.
1,0
Brinell hardness HBS
75
Bending strength
bw N/mm2
6,0-8,0
 
Density kg / dm
2,75
GK-AlSi8 Cu3
Features
Strength
good
Machinability
looks good
Weldability
looks good
Polishability
good
Examples of use
Well castable universal alloy. Characterised by lower tendency to collapse and to shrink. Very good machinability.

G-AlCU 4 Ti Mg wa | EN AC-21000 ST4 | EN AC-Al Cu4MgTi

G-AlCu 4 Ti Mg wa
Alloy components
Si
  0,20
 Fe
0,35
Cu
4,2-5,0
 Mn
0,10
Mg
0,15-0,35
 Ni
0,05
Zn
0,10
 Ti
0,15-0,30
Material properties
Yield strength Rp0.2 MPa min.
200
Tensile strength Rm MPa min.
300
Elongation at break A50 mm % min.
5,0
Brinell hardness HBS
90
Bending strength
bw N/mm2
8,0-9,0
 
Density kg / dm
2,75
G-AlCu 4 Ti Mg wa
Features
Strength
looks good
Machinability
excellent
Weldability
bedingt
Polishability
looks good
Examples of use
For simpler castings with the highest strength (artificially aged) or highest toughness (cold hardened), aircraft, brake parts.

GK-AlCU 4 Ti Mg wa | EN AC-21000 KT4

GK-AlCu 4 Ti Mg wa
Alloy components
Si
  0,20
 Fe
0,35
Cu
4,2-5,0
 Mn
0,10
Mg
0,15-0,35
 Ni
0,05
Zn
0,10
 Ti
0,15-0,30
Material properties
Yield strength Rp0.2 MPa min.
200
Tensile strength Rm MPa min.
320
Elongation at break A50 mm % min.
8,0
Brinell hardness HBS
90
Bending strength
bw N/mm2
9,0-10,0
 
Density kg / dm
2,75
GK-AlCu 4 Ti Mg wa
Features
Strength
looks good
Machinability
excellent
Weldability
bedingt
Polishability
looks good
Examples of use
For simpler castings with the highest strength (artificially aged) or highest toughness (cold hardened), aircraft, brake parts.

G-AlCU 4 Ti wa | EN AC-21100 ST6 | EN AC-Al Cu4Ti

G-AlCu 4 Ti wa
Alloy components
Si
  0,18
 Fe
0,19
Cu
4,2-5,2
 Mn
0,55
Mg
0
 Ni
0
Zn
0,07
 Ti
0,15-0,30
Material properties
Yield strength Rp0.2 MPa min.
200
Tensile strength Rm MPa min.
300
Elongation at break A50 mm % min.
3,0
Brinell hardness HBS
95
Bending strength
bw N/mm2
8,0-9,0
 
Density kg / dm
2,75
G-AlCu 4 Ti wa
Features
Strength
looks good
Machinability
excellent
Weldability
bedingt
Polishability
looks good
Examples of use
For simpler castings which meet the highest strength and toughness requirements (artificially aged), aircraft industry.

GK-AlCU 4 Ti wa | EN AC-21100 KT6

GK-AlCu 4 Ti wa
Alloy components
Si
  0,18
 Fe
0,19
Cu
4,2-5,2
 Mn
0,55
Mg
0
 Ni
0
Zn
0,07
 Ti
0,15-0,30
Material properties
Yield strength Rp0.2 MPa min.
220
Tensile strength Rm MPa min.
330
Elongation at break A50 mm % min.
7,0
Brinell hardness HBS
95
Bending strength
bw N/mm2
9,0-10,0
 
Density kg / dm
2,75
GK-AlCu 4 Ti wa
Features
Strength
looks good
Machinability
excellent
Weldability
bedingt
Polishability
looks good
Examples of use
For simpler castings which meet the highest strength and toughness requirements (artificially aged), aircraft industry.

G-AlSi5 Mg

G-AlSi5 Mg
Alloy components
Si
  5,0-6,0
 Fe
0,5
Cu
0,05
 Mn
0-0,4
Mg
0,4-0,8
 Ni
0
Zn
0,1
 Ti
0-0,20
Material properties
Yield strength Rp0.2 MPa min.
100
Tensile strength Rm MPa min.
140
Elongation at break A50 mm % min.
1,0
Brinell hardness HBS
55
Bending strength
bw N/mm2
6,0-6,5
 
Density kg / dm
2,70
G-AlSi5 Mg
Features
Strength
looks good
Machinability
looks good
Weldability
good
Polishability
looks good
Examples of use
For corrosion resistant, high strength (hardened) castings (including food industry, fire equipment), good electrical conductivity achievable.

G-AlSi5 Mg wa

G-AlSi5 Mg wa
Alloy components
Si
  5,0-6,0
 Fe
0,5
Cu
0,05
 Mn
0-0,4
Mg
0,4-0,8
 Ni
0
Zn
0,1
 Ti
0-0,20
Material properties
Yield strength Rp0.2 MPa min.
220
Tensile strength Rm MPa min.
240
Elongation at break A50 mm % min.
0,5
Brinell hardness HBS
80
Bending strength
bw N/mm2
7,0-7,5
 
Density kg / dm
2,70
G-AlSi5 Mg wa
Features
Strength
looks good
Machinability
looks good
Weldability
good
Polishability
looks good
Examples of use
For corrosion resistant, high strength (hardened) castings (including food industry, fire equipment), good electrical conductivity achievable.

GK-AlSi5 Mg

GK-AlSi5 Mg
Alloy components
Si
  5,0-6,0
 Fe
0,5
Cu
0,05
 Mn
0-0,4
Mg
0,4-0,8
 Ni
0
Zn
0,1
 Ti
0-0,20
Material properties
Yield strength Rp0.2 MPa min.
120
Tensile strength Rm MPa min.
160
Elongation at break A50 mm % min.
1,5
Brinell hardness HBS
60
Bending strength
bw N/mm2
7,0-7,5
 
Density kg / dm
2,70
GK-AlSi5 Mg
Features
Strength
looks good
Machinability
looks good
Weldability
good
Polishability
looks good
Examples of use
For corrosion resistant, high strength (hardened) castings (including food industry, fire equipment), good electrical conductivity achievable.

GK-AlSi5 Mg wa

GK-AlSi5 Mg wa
Alloy components
Si
  5,0-6,0
 Fe
0,5
Cu
0,05
 Mn
0-0,4
Mg
0,4-0,8
 Ni
0
Zn
0,1
 Ti
0-0,20
Material properties
Yield strength Rp0.2 MPa min.
240
Tensile strength Rm MPa min.
260
Elongation at break A50 mm % min.
1,0
Brinell hardness HBS
90
Bending strength
bw N/mm2
8,0-8,5
 
Density kg / dm
2,70
GK-AlSi5 Mg wa
Features
Strength
looks good
Machinability
looks good
Weldability
good
Polishability
looks good
Examples of use
For corrosion resistant, high strength (hardened) castings (including food industry, fire equipment), good electrical conductivity achievable.

G-AlMg 5 Si | EN AC-51400 SF | EN AC-Al Mg5(Si)

G-AlMg 5 Si
Alloy components
Si
  1,5
 Fe
0,55
Cu
0,05
 Mn
0,45
Mg
4,5-6,5
 Ni
0
Zn
0,10
 Ti
0,20
Material properties
Yield strength Rp0.2 MPa min.
100
Tensile strength Rm MPa min.
160
Elongation at break A50 mm % min.
3,0
Brinell hardness HBS
60
Bending strength
bw N/mm2
 
Density kg / dm
2,60
G-AlMg 5 Si
Features
Strength
ausreichend
Machinability
excellent
Weldability
good
Polishability
excellent
Examples of use
Castings with excellent resistance to sea water and weak alkaline solutions, for interior and exterior architecture, food and chemical industries, fire equipment.

GK-AlMg 5 Si | EN AC-51400 KF

GK-AlMg 5 Si
Alloy components
Si
  1,5
 Fe
0,55
Cu
0,05
 Mn
0,45
Mg
4,5-6,5
 Ni
0
Zn
0,10
 Ti
0,20
Material properties
Yield strength Rp0.2 MPa min.
110
Tensile strength Rm MPa min.
180
Elongation at break A50 mm % min.
3,0
Brinell hardness HBS
55
Bending strength
bw N/mm2
 
Density kg / dm
2,60
GK-AlMg 5 Si
Features
Strength
ausreichend
Machinability
excellent
Weldability
good
Polishability
excellent
Examples of use
Castings with excellent resistance to sea water and weak alkaline solutions, for interior and exterior architecture, food and chemical industries, fire equipment.

G-AlZn10 Si 8 Mg

G-AlZn10 Si 8 Mg
Alloy components
Si
  7,5-8,5
 Fe
-0,60
Cu
0,05
 Mn
0,40
Mg
0,2-0,6
 Ni
0
Zn
9,5-10,5
 Ti
-0,20
Material properties
Yield strength Rp0.2 MPa min.
167
Tensile strength Rm MPa min.
177
Elongation at break A50 mm % min.
1,0
Brinell hardness HBS
100
Bending strength
bw N/mm2
118-137
 
Density kg / dm
2,85
Examples of use
For high hardness and tensile strength, self-hardening.

GK-AlZn10 Si 8 Mg

GK-AlZn10 Si 8 Mg
Alloy components
Si
  7,5-8,5
 Fe
-0,60
Cu
0,05
 Mn
0,40
Mg
0,2-0,6
 Ni
0
Zn
9,5-10,5
 Ti
-0,20
Material properties
Yield strength Rp0.2 MPa min.
196
Tensile strength Rm MPa min.
245
Elongation at break A50 mm % min.
1,0
Brinell hardness HBS
100
Bending strength
bw N/mm2
118-125
 
Density kg / dm
2,85
GK-AlZn10 Si 8 Mg
Features
Strength
looks good
Machinability
looks good
Weldability
bedingt
Polishability
looks good
Examples of use
For high hardness and tensile strength, self-hardening.

Represented are the alloy components of silicon (Si), iron (Fe), copper (Cu), manganese (Mn), magnesium (Mg), nickel (Ni), zinc (Zn) and titanium (Ti); as well as some material properties: yield strength, tensile strength, elongation at break, Brinell hardness, bending strength and density.

 

In another view, possible uses and examples as well as other properties in the processing (strength, machinability, weldability and polishability) can be shown.

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© A.W. Schumacher 2014