![](\"http:\/\/www.dam-dev.co.uk\/development\/wp-content\/uploads\/2026\/03\/Elektron\u00ae-RotaMag\u00ae-mobile.jpg\" "\\"Elektron\u00ae")
<\/span><\/div><\/div><\/div><\/div><\/div>Elektron\u00ae RotaMag\u00ae<\/h1><\/div>Elektron\u00ae RotaMag\u00ae is a wrought magnesium base alloy containing aluminium, zinc and manganese.<\/p>\n<\/div>
Product information<\/span><\/i><\/a><\/div>Downloads and Support<\/span><\/i><\/a><\/div><\/div><\/div><\/div><\/div>Product information<\/h2><\/div><\/div><\/div>Speak to a Mg Alloy expert<\/span><\/i><\/a><\/div><\/div><\/div><\/div><\/div>In Elektron RotaMag, increased material strength is obtained by artificial aging from the fabricated form.<\/p>\n
Elektron RotaMag has a fine controlled microstructure for improved forging performance and consistent mechanical properties of the forged part.<\/p>\n<\/div>
<\/div><\/div><\/div><\/div><\/i><\/i><\/span>Applications<\/span><\/a><\/h4><\/div>\nElektron RotaMag forgings can be used where pressure tightness or machinability are required. Parts that are dimensionally stable during and after machining is also an important design consideration.
Forgings in Elektron RotaMag find application in high strength parts for:<\/p>\n
\n- Satellites<\/li>\n
- Helicopter gearboxes and rotor hubs<\/li>\n
- Bicycle frames<\/li>\n
- Roadwheels<\/li>\n
- Missile frames and interstage fairings<\/li>\n
- Brake housings<\/li>\n
- Landing gear struts<\/li>\n<\/ul>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Specifications<\/span><\/a><\/h4><\/div>\n\n- Uns No. M11800<\/li>\n
- AMS4360<\/li>\n
- ASTM B91-12<\/li>\n
- FEDERAL QQ-M-40B<\/li>\n<\/ul>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Chemical composition<\/span><\/a><\/h4><\/div>\nAluminium: 7.8\u20139.2%<\/p>\n
Zinc: 0.2\u20130.8%<\/p>\n
Manganese: 0.12\u20130.5%<\/p>\n
Magnesium: Balance<\/p>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Heat treatment<\/span><\/a><\/h4><\/div>Billets are normally provided fully homogenised to promote ease of forging.<\/div><\/div><\/div><\/i><\/i><\/span>Physical properties<\/span><\/a><\/h4><\/div>\nSpecific gravity: 1.8<\/p>\n
Coefficient of thermal expansion: 26 x 10-6K-1<\/p>\n
Thermal conductivity: 76 Wm-1K-1<\/p>\n
Specific heat: 1,100 Jkg-1K-1<\/p>\n
Electrical resistivity: 145 n\u03a9m<\/p>\n
Modulus of elasticity: 45 GPa<\/p>\n
Poissons ratio: 0.35<\/p>\n
Melting range: 470\u2013595\u02daC<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div>
<\/i><\/i><\/span>Design data<\/span><\/a><\/h4><\/div>\nSpecification minimum tensile properties.<\/p>\n
AZ80A-T5 die forgings<\/strong><\/p>\n0.2% proof stress: 193 MPa<\/p>\n
Tensile strength: 290 MPa<\/p>\n
Elongation: 2%<\/p>\n
AZ80-F die forgings<\/strong><\/p>\n0.2% proof stress: 179 MPa<\/p>\n
Tensile strength: 290 MPa<\/p>\n
Elongation: 5%<\/p>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Grain structure<\/span><\/a><\/h4><\/div>\nThe grain refinement of forging billets is a key factor affecting the ease of which the metal can be forged. Elektron RotaMag forging billet undergoes a special grain refining process to ensure a fine uniform structure. Grain size is controlled to below 200 \u00b5m for 300 mm diameter billet.<\/p>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Machining<\/span><\/a><\/h4><\/div>Elektron RotaMag, like all magnesium alloy forgings, machines faster than any other metal. Providing the geometry of the part allows, the limiting factor is the power and speed of the machine rather than the quality of the tool material. The power required per cubic centimetre of metal removed varies from 9 to 14 watts per minute depending on the operation.<\/div><\/div><\/div>
Elektron\u00ae RotaMag\u00ae is a wrought magnesium base alloy containing aluminium, zinc and manganese.<\/p>\n<\/div>
Product information<\/h2><\/div><\/div><\/div>Speak to a Mg Alloy expert<\/span><\/i><\/a><\/div><\/div><\/div><\/div><\/div>In Elektron RotaMag, increased material strength is obtained by artificial aging from the fabricated form.<\/p>\n
Elektron RotaMag has a fine controlled microstructure for improved forging performance and consistent mechanical properties of the forged part.<\/p>\n<\/div>
<\/div><\/div><\/div><\/div><\/i><\/i><\/span>Applications<\/span><\/a><\/h4><\/div>\nElektron RotaMag forgings can be used where pressure tightness or machinability are required. Parts that are dimensionally stable during and after machining is also an important design consideration.
Forgings in Elektron RotaMag find application in high strength parts for:<\/p>\n
\n- Satellites<\/li>\n
- Helicopter gearboxes and rotor hubs<\/li>\n
- Bicycle frames<\/li>\n
- Roadwheels<\/li>\n
- Missile frames and interstage fairings<\/li>\n
- Brake housings<\/li>\n
- Landing gear struts<\/li>\n<\/ul>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Specifications<\/span><\/a><\/h4><\/div>\n\n- Uns No. M11800<\/li>\n
- AMS4360<\/li>\n
- ASTM B91-12<\/li>\n
- FEDERAL QQ-M-40B<\/li>\n<\/ul>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Chemical composition<\/span><\/a><\/h4><\/div>\nAluminium: 7.8\u20139.2%<\/p>\n
Zinc: 0.2\u20130.8%<\/p>\n
Manganese: 0.12\u20130.5%<\/p>\n
Magnesium: Balance<\/p>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Heat treatment<\/span><\/a><\/h4><\/div>Billets are normally provided fully homogenised to promote ease of forging.<\/div><\/div><\/div><\/i><\/i><\/span>Physical properties<\/span><\/a><\/h4><\/div>\nSpecific gravity: 1.8<\/p>\n
Coefficient of thermal expansion: 26 x 10-6K-1<\/p>\n
Thermal conductivity: 76 Wm-1K-1<\/p>\n
Specific heat: 1,100 Jkg-1K-1<\/p>\n
Electrical resistivity: 145 n\u03a9m<\/p>\n
Modulus of elasticity: 45 GPa<\/p>\n
Poissons ratio: 0.35<\/p>\n
Melting range: 470\u2013595\u02daC<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div>
<\/i><\/i><\/span>Design data<\/span><\/a><\/h4><\/div>\nSpecification minimum tensile properties.<\/p>\n
AZ80A-T5 die forgings<\/strong><\/p>\n0.2% proof stress: 193 MPa<\/p>\n
Tensile strength: 290 MPa<\/p>\n
Elongation: 2%<\/p>\n
AZ80-F die forgings<\/strong><\/p>\n0.2% proof stress: 179 MPa<\/p>\n
Tensile strength: 290 MPa<\/p>\n
Elongation: 5%<\/p>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Grain structure<\/span><\/a><\/h4><\/div>\nThe grain refinement of forging billets is a key factor affecting the ease of which the metal can be forged. Elektron RotaMag forging billet undergoes a special grain refining process to ensure a fine uniform structure. Grain size is controlled to below 200 \u00b5m for 300 mm diameter billet.<\/p>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Machining<\/span><\/a><\/h4><\/div>Elektron RotaMag, like all magnesium alloy forgings, machines faster than any other metal. Providing the geometry of the part allows, the limiting factor is the power and speed of the machine rather than the quality of the tool material. The power required per cubic centimetre of metal removed varies from 9 to 14 watts per minute depending on the operation.<\/div><\/div><\/div>
In Elektron RotaMag, increased material strength is obtained by artificial aging from the fabricated form.<\/p>\n
Elektron RotaMag has a fine controlled microstructure for improved forging performance and consistent mechanical properties of the forged part.<\/p>\n<\/div>
<\/i><\/i><\/span>Applications<\/span><\/a><\/h4><\/div>\nElektron RotaMag forgings can be used where pressure tightness or machinability are required. Parts that are dimensionally stable during and after machining is also an important design consideration.
Forgings in Elektron RotaMag find application in high strength parts for:<\/p>\n
\n- Satellites<\/li>\n
- Helicopter gearboxes and rotor hubs<\/li>\n
- Bicycle frames<\/li>\n
- Roadwheels<\/li>\n
- Missile frames and interstage fairings<\/li>\n
- Brake housings<\/li>\n
- Landing gear struts<\/li>\n<\/ul>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Specifications<\/span><\/a><\/h4><\/div>\n\n- Uns No. M11800<\/li>\n
- AMS4360<\/li>\n
- ASTM B91-12<\/li>\n
- FEDERAL QQ-M-40B<\/li>\n<\/ul>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Chemical composition<\/span><\/a><\/h4><\/div>\nAluminium: 7.8\u20139.2%<\/p>\n
Zinc: 0.2\u20130.8%<\/p>\n
Manganese: 0.12\u20130.5%<\/p>\n
Magnesium: Balance<\/p>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Heat treatment<\/span><\/a><\/h4><\/div>Billets are normally provided fully homogenised to promote ease of forging.<\/div><\/div><\/div><\/i><\/i><\/span>Physical properties<\/span><\/a><\/h4><\/div>\nSpecific gravity: 1.8<\/p>\n
Coefficient of thermal expansion: 26 x 10-6K-1<\/p>\n
Thermal conductivity: 76 Wm-1K-1<\/p>\n
Specific heat: 1,100 Jkg-1K-1<\/p>\n
Electrical resistivity: 145 n\u03a9m<\/p>\n
Modulus of elasticity: 45 GPa<\/p>\n
Poissons ratio: 0.35<\/p>\n
Melting range: 470\u2013595\u02daC<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div>
<\/i><\/i><\/span>Design data<\/span><\/a><\/h4><\/div>\nSpecification minimum tensile properties.<\/p>\n
AZ80A-T5 die forgings<\/strong><\/p>\n0.2% proof stress: 193 MPa<\/p>\n
Tensile strength: 290 MPa<\/p>\n
Elongation: 2%<\/p>\n
AZ80-F die forgings<\/strong><\/p>\n0.2% proof stress: 179 MPa<\/p>\n
Tensile strength: 290 MPa<\/p>\n
Elongation: 5%<\/p>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Grain structure<\/span><\/a><\/h4><\/div>\nThe grain refinement of forging billets is a key factor affecting the ease of which the metal can be forged. Elektron RotaMag forging billet undergoes a special grain refining process to ensure a fine uniform structure. Grain size is controlled to below 200 \u00b5m for 300 mm diameter billet.<\/p>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Machining<\/span><\/a><\/h4><\/div>Elektron RotaMag, like all magnesium alloy forgings, machines faster than any other metal. Providing the geometry of the part allows, the limiting factor is the power and speed of the machine rather than the quality of the tool material. The power required per cubic centimetre of metal removed varies from 9 to 14 watts per minute depending on the operation.<\/div><\/div><\/div>
Elektron RotaMag forgings can be used where pressure tightness or machinability are required. Parts that are dimensionally stable during and after machining is also an important design consideration.
Forgings in Elektron RotaMag find application in high strength parts for:<\/p>\n
- \n
- Satellites<\/li>\n
- Helicopter gearboxes and rotor hubs<\/li>\n
- Bicycle frames<\/li>\n
- Roadwheels<\/li>\n
- Missile frames and interstage fairings<\/li>\n
- Brake housings<\/li>\n
- Landing gear struts<\/li>\n<\/ul>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Specifications<\/span><\/a><\/h4><\/div>
\n- \n
- Uns No. M11800<\/li>\n
- AMS4360<\/li>\n
- ASTM B91-12<\/li>\n
- FEDERAL QQ-M-40B<\/li>\n<\/ul>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Chemical composition<\/span><\/a><\/h4><\/div>
\nAluminium: 7.8\u20139.2%<\/p>\n
Zinc: 0.2\u20130.8%<\/p>\n
Manganese: 0.12\u20130.5%<\/p>\n
Magnesium: Balance<\/p>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Heat treatment<\/span><\/a><\/h4><\/div>
Billets are normally provided fully homogenised to promote ease of forging.<\/div><\/div><\/div><\/i><\/i><\/span>Physical properties<\/span><\/a><\/h4><\/div>
\nSpecific gravity: 1.8<\/p>\n
Coefficient of thermal expansion: 26 x 10-6K-1<\/p>\n
Thermal conductivity: 76 Wm-1K-1<\/p>\n
Specific heat: 1,100 Jkg-1K-1<\/p>\n
Electrical resistivity: 145 n\u03a9m<\/p>\n
Modulus of elasticity: 45 GPa<\/p>\n
Poissons ratio: 0.35<\/p>\n
Melting range: 470\u2013595\u02daC<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div>
<\/i><\/i><\/span>Design data<\/span><\/a><\/h4><\/div>
\nSpecification minimum tensile properties.<\/p>\n
AZ80A-T5 die forgings<\/strong><\/p>\n
0.2% proof stress: 193 MPa<\/p>\n
Tensile strength: 290 MPa<\/p>\n
Elongation: 2%<\/p>\n
AZ80-F die forgings<\/strong><\/p>\n
0.2% proof stress: 179 MPa<\/p>\n
Tensile strength: 290 MPa<\/p>\n
Elongation: 5%<\/p>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Grain structure<\/span><\/a><\/h4><\/div>
\nThe grain refinement of forging billets is a key factor affecting the ease of which the metal can be forged. Elektron RotaMag forging billet undergoes a special grain refining process to ensure a fine uniform structure. Grain size is controlled to below 200 \u00b5m for 300 mm diameter billet.<\/p>\n<\/div><\/div><\/div>
<\/i><\/i><\/span>Machining<\/span><\/a><\/h4><\/div>
Elektron RotaMag, like all magnesium alloy forgings, machines faster than any other metal. Providing the geometry of the part allows, the limiting factor is the power and speed of the machine rather than the quality of the tool material. The power required per cubic centimetre of metal removed varies from 9 to 14 watts per minute depending on the operation.<\/div><\/div><\/div>
![](\"http:\/\/www.dam-dev.co.uk\/development\/wp-content\/uploads\/2026\/03\/DS-487-Elektron-AZ80A-03-26.jpg\" "\\"DS-487-Elektron-AZ80A-03-26\\"")
<\/span><\/div>![](\"http:\/\/www.dam-dev.co.uk\/development\/wp-content\/uploads\/2026\/03\/Daniel-Bacci-HS.jpg\" "\\"Daniel-Bacci-HS\\"")
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