EN-MCMgRE3Zn2Zr | EN-MC65120 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Predecessor Successor VDA 231-106 classification
EN-MC65120 (DIN EN 1753 : 1997-08) EN-MCMgRE3Zn2Zr EN-MC65120 DIN EN 1753 : 1997-08 DIN EN 1753 : 1997-08 replaced by DIN EN 1753 : 2019-12 Replaced Germany G-MgSE3Zn2Zr1 EN-MCMgRE3Zn2Zr 2.2 1)
1) Remark: The special alloy EN-MCMgRE3Zn2Zr, trade name ZRE 1 is produced as sand, chilled and precision casting. It is comparable to the aviation material G-MgZn2SE3Zr, mat. No. 3.6204, acc. to WL 3.6204-1 :1989-12. It is an alloy practically free of micro sinkholes for pressure-tight and complex castings. It shows favorable creep behaviour up to 250°C and a slight strength reduction down to this temperature. The material is TIG-weldable and excellent machinable (regulations of the professional association have to be considered), shows high damping power and no embrittlement tendency at low temperatures. High oxidation tendency of the melted magnesium and of the Mg-chipping requires special measures when melting, casting, trimming and welding. Magnesium and its alloys show the easiest machinability of all known construction metals.

Chemical Composition

Cu [%] Fe [%] Mn [%] Ni [%] Si [%] Zn [%] Zr [%] Rare Earths [%] Remainder
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Material Compliance

REACh RoHS
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Mechanical Properties

Casting Method Condition Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A [%] Hardness HB | HBW
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Cross Reference

Material Name Country Standard
EN-MCMgRE3Zn2Zr Europe EN 1753
Mg-RE3Zn2Zr International ISO 3115
EZ33A USA AMS 4442 1)
B199 Alloy EZ33A USA ASTM B199 1)
B403 Alloy EZ33A USA ASTM B403 1)
B80 Alloy EZ33A USA ASTM B80 1)
M12330 USA UNS 1)
EZ33A USA SAE J465 1)
G-MgSE3Zn2Zr1 Germany DIN 1729-2
3.5103 Germany DIN 1729-2
3.6204 Germany WL 3.6204-1
ZRE1 Germany 2)
G-TR3Z2 France
1) Source: Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008
2) Source: DIN EN 1753
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