DATASHEET • 466 † -1 K -1 -1 -6 K K -1 -1 m Ω 1.85 x 10 27.0 Wm 52 960Jkg n 173 44.1 GPa 0.3 545–640˚C 0.17 85 MPa 170 250 MPa 2% Electrical resistivity Modulus of elasticity Poissons ratio Melting range Damping index Brinell hardness Design data Minimum specification tensile properties ISO 16220 0.2% Proof stress strengthTensile Elongation Heat treatment The alloydevelops its properties in the fully heat conditiontreated ie: hours 8 (T6) at 525˚C, Hot water or polymer quench or air cool, Air cool. Age hours for 16 at 250˚C, Physical properties Specific gravity Coefficient of thermal expansion Thermal conductivity Specific heat 4.75–5.5% 1.0–2.0% 1.5–2.0% 0.4% min Balance WE54 ®

Magnesium *Heavy rare earth fraction contains mainlyYb, Dy, and Er, Gd. Neodymium Zirconium Chemical composition Heavy earths* rare UNS M18410 ISO 16220: MC95310 ASTM B80 WE54A-T6 BS2970 MAG14-TF Specifications MG-C96001 AECMA AMS 4426 is Elektron WE43. Prolonged use of this in (ie excess of 1000 hours) at temperatures in the range 100˚C–250˚C may result in the loss of ductility. An alternative alloy transmissions, missiles, high performance high missiles, cars and transmissions, applications. technology high other The excellent retention of properties at elevated temperatures and improved corrosion resistance will be of interest designers to of power systems, Applications at temperatures up to 300˚C. Theat alloy temperatures develops up 300˚C. to high strength properties at elevated temperatures, thorium. or either containing without Elektron WE54 is a high strength fully heat treatable magnesium based casting alloy for use Elektron

) (% ongation El 7 97 20 10 1/2 5 x 10 0 9.0 5.0 6.5 4.0 4.5 (%) 30 7 Elongation 99 10

f stress 14.3 MPa m 14.3 MPa 205 MPa 280 MPa 4% MPa 165–175 MPa 410 MPa 150 6 0 e strength C) Proo 20 100 241 255 260 230 280 nsil ongation Stress reversals 2% 5 x 10 (MPa) El Te 0. Tensile strength ature (˚ 6 10 102 mper 0 Te 10 197 175 195 183 205 (MPa) stress 0.2% Proof 0 0 0 0 0 30 20 10 Unnotched ) ss 20˚C Pa

150˚C 100˚C 250˚C 200˚C re Endurance limit MPa limit Endurance (M IC St Ambient temperature mechanical properties properties tensile Typical Typical tensile properties tensile Typical 0.2% Proof stress strengthTensile Elongation properties compressive Typical 0.2% Proof stress Ultimate strength properties shear Typical Ultimate stress toughness Fracture K properties Fatigue Rotating bend test Ambient temperature mechanical properties Figure 1. Effect of temperature on tensile properties. /day 2 mg/cm 0.023 0.1–0.2 0.1 casting alloys under salt spray conditions. Corrosion rate Intermittent salt spray salt fog ASTM B117 Sea water immersion Corrosion resistance Additions of yttrium contribute the to excellent Elektron of characteristics resistance corrosion WE54 the to extent that it is of a similar order to Surface treatment Yttrium containing magnesium alloys do not respond certainto chemical treatments, notably some of the chromate conversion coating baths. The precautions and alternative treatments are identified in the Guide. Design Technologies MEL Luxfer The power required per cubic centimetre of metal removed varies from watts 14 9 to per minute operation. the on depending Machining Elektron WE54 castings, like all magnesium alloys, machine faster than any other metal. Providing the geometry of the part allows, the limiting factor is thepower and speed of themachine rather than the quality of the tool material. with a fillerrod of the parent alloycomposition. Castings should be heat treated after welding: 1 hour quenched or air cooled and hoursat 16 510˚C, at 250˚C. Pattern makers shrinkage factor 1.5% Weldability Weldable by the tungsten arc inert gas process (TIG) Other properties Other Castability Fine grainedand pressure tight with goodcasting characteristics.

DATASHEET • 466 † DATASHEET • 466 † 8 10 C C 0˚ 0˚ RT 20 25 1 5 1 7 3 8 5 1 7 4 1 7 3 1 11 MADE IN THE U.K. Certificate No. FM12677 Certificate No. Elongation ss 7 stre 10

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Section e to thickness Tim 10 0 0 @ 50 15 10 ) Source ss Pa re (M France Canada U.K. Germany USA St The information contained within is meant as a guideline only guideline a as meant is within contained information The Cut up propertiesCut on samples taken from actual castings Lumns Lane, Manchester, M27 8LN, UK 1000T +44 911 161 (0) Luxfer MEL Technologies MEL Luxfer Elektron Technology Centre Copyright © Luxfer MEL Technologies 2018. The information provided within thisother document interested is aimed parties to assist in manufacturers the use of magnesium and alloys. Luxfer MEL Technologiesinterpretation accepts no of liability the data herein. in whole All information or in part from is use given and in good faithassumed. but without Health warranty. and Freedom Safety from information patent rights is available must not be for all Luxfer MEL Technologies products. Discover more at at more Discover † Figure 2. Stress/time relationship and 250˚C. at 200˚C Creep properties Creep