DATASHEET • 455† -1 -1 -1 K K K MPa 3 -6 -1 -1 m Ω 145 MPa 145 248 MPa 2% 1.82 26.3 x 10 Wm 116 1086 Jkg 94.6 n 44.8 x 10 0.27 - 640˚C 545˚C 65 - 75 Minimum specification tensile properties. tensile specification Minimum 0.2% proof stress strengthTensile Elongation properties Other Castability Excellent castability as a consequence of low characteristics. oxidation microstructure. Fine-grained Pressure tight. Pattern makers shrinkage factor 1.5% Weldability Weldable by the tungsten arc inert gas process (TIG) with a fillerrod of a similarcomposition. Castings should be heat treated after welding obtain to properties. optimum Physical properties Specific gravity Coefficient of thermal expansion Thermal conductivity Specific heat Electrical resistivity Modulus of elasticity Poissons ratio Melting range Brinell hardness Design data 2.6 - 3.1% - 1.7% 1.0 Saturated Balance 0.2 - 0.5% 21 ®

polymer quench, Age for 16 hours at 200˚C (400˚F), polymer (400˚F), quench, Age hours for 16 at 200˚C cool. Air Solution treat for 8 hours at 520˚C (970˚F), Hot water (970˚F), Solution treat for 8 hours at 520˚C or - 175˚F) (140 quench using water at 60 - 80˚C Castings are given the heat following treatment T6 to mechanical optimum obtain properties. Magnesium Heat treatment Neodymium Gadolinium Zirconium Chemical composition ASTM B80 ISO 16220 MC65410 AMS 4429 UNS M12310 MMPDS Specifications and aerospace applications. It is designed provide to superior mechanical properties and improved corrosion resistance together with good castability. Luxfer Technologies MEL has developed this motorsport performance for lightweight, high corrosion resistance characteristics and castability. Applications Elektron is 21 a new high strength fully heat treatable magnesium based casting alloy for use at This alloytemperatures has excellent up 200˚C. to Elektron 400 1000 Certificate No. FM12677 300 Tensile strength 0.2% proof stress 270 MPa 270 J 1.7 7%

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200 100 Time (Hrs) Temperature (˚C) 100 DS-1020-1118

4601 Westown Parkway Suite 130 West Des Moines, IA 50266 421 515 4100 T +1 Luxfer MEL Technologies MEL Luxfer 0 10 0 0

50 90 60 30

300 250 200 150 100 180 150 120 Stress (MPa) Stress Stress (MPa) Stress Elongation Ultimate tensile strength Impact value (notched) temperatureElevated mechanicalproperties propertiestensile Typical Low temperatureLow mechanical properties mechanicalTypical properties at -35˚C Figure 2. Stress /time relationship creep (0.1% strain). at 200˚C Figure 1. Effect of temperature on tensile properties. properties Creep

1/2 cycles 7 15.5 MPa m MPa 15.5 5 x 10 168 MPa 168 MPa 367 MPa 172 170 MPa 170 280 MPa 5% Luxfer MEL Technologies MEL Luxfer 500 Barbertown Point BreezeRoad Flemington, NJ 08822, USA 908 782T +1 5800

/day 2 115 - 120 MPa - 120 115 <1.14 mg/cm <90 mpy

IC The information contained within is meant as a guideline only guideline a as meant is within contained information The from use and interpretation of the data herein. All information is givenmust in good not faith be assumed. but without Health warranty. and Safety Freedom from information patent rights is available for all Luxfer MEL Technologies products. Technologies MEL Luxfer Elektron Technology Centre Lumns Lane, Manchester, M27 8LN, UK 1000T +44 911 161 (0) www.luxfermeltechnologies.com † Copyright © Luxfer MEL Technologies 2018. The information provided within thisother document interested is aimed parties to assist in manufacturers the use of Luxfer MEL Technologies and products. Luxfer MEL Technologies accepts no liability in whole or in part at more Discover Fracture toughness K properties Fatigue Pull-pull fatigue: R = 0.1 0.2% proof stress Ultimate strength properties shear Typical Ultimate stress Typical tensile properties tensile Typical 0.2% proof stress strengthTensile Elongation properties compressive Typical metal: Ambient temperature mechanical properties All the normal chromating, anodising and finishing and anodising normal chromating, the All treatments are applicable. Corrosion resistance salt spray testASTM corrosion B117 for rate base rather than the quality of the tool material. The power required per cubic centimetre of metal removed varies from watts 14 9 to per minute depending on the operation. Surface treatment Machining Elektron castings, 21 like all castings, machine faster than any other metal. Providing the geometry of the part allows, the limiting factor is the power and speed of the machine

DATASHEET • 455†