EN 1706-2010 pdf download.Aluminium and aluminium alloys-Castings – Chemical composition and mechanical properties.
This EN 1706 speciftes the chemical composition hmts for aluminmjrn casting alloys and mechanical properties ci separately cast test pieces for these alloys.
Arviex B is h,ckjded as a guide to the selection of alloys far a specific use or process.
The European Standard is intended to be used in conunction Mth EN 576. EN 1559-1. EN 1559-4. EN 1676 and EN ISO 8062.3
2 Normative references
The loOowinj r&vrenced wInent5 dre wldiwenbable Icir the dpJüCati1 of this document ar dated references, only the edition cited applies For undated references, the latest edition of the referenced document (induding any amendments) apphes
EN 576, Aiumuwum and &utTwwum alloys — Unalojed aluminium ingots for remelting — Specifications EN 1559-1, Founding — Technical conditions of delWecy — Par? 1: General
EN 15594. Founding — Technical conditions of delivery — Part 4: Additional requirements tot atummnium oy castings
EN 1780-1. Alunwtium and aluminium aiioys — D.scgnation of alloyed a&snwlsum Engots for remeltiñg. master alloys and castings – Par? 1: Mimemtcml deswahon system
EN 1780-2, AhønwNum and aluminium alloys — Designation of alloyed aluminium Engots tow remetting. master lloys and castings — Part 2: ChemIcal symbol based designation system
EN 1780-3, Aluminium and akjmw,Eum alloys — Designation of alloyed akjnvnwum .ngots tow reme Itmg. master alloys and CaStings — Part 3 b44iting rules tot chemical composthon
EN 10002-1, Metallic materiais — Tensile testing — Part 1: Method of lest at ambient temperature
EN 12258-11998. AJumlnlum and aluminium alloys — Terms and deMrNtions — Pail 1: General terms
EN ISO 6506-1. Metallic materials — Brinel hardness test — Part 1: Test method (ISO 6506-1:2005)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 12258-1:1998 and the blowing ply
casting
process in which molten metal is poured Into a mould and sohdifled
(EN 12258-1:1998. 4.1.11
3,3
permanent mould casting chill casting
process in which molten metal is poured into a permanent metal moiid aid solidified (at atmospheric
lEN 12258-1:1998,4.1.93
3.4
low pressure die casting
process in wNch molten metal is poured into a metal mould and soliddied under low pressure (typIcally 7 kPa above abYlospheric pressure)
(EN 12258-11998, 4.1.11)
NOTE This process can also be used wilh a sand nuld. being caled k,w pressure sand casting
3.5
pressur. die casting
high pressure die casting
process ii which rnoflen metal IS poured Into a permanent metal mould and sobdifled under high pressure (typlcaly 7 MPa)
(EN 12258-1:1998. 41.10)
3.6
investment casting
two step process comprising:
a) fncabon of a ceramic mould around a wax or thermoplastic pattern which Is lost durWig this process.
b) pounrigotmetal wito this mould
(EN 12258.1:1998, 4.1.12J
3.7
fluidity
ability of an slay to make thin wall castings and reproduce fine details
3.8
hot tea.ing
tendency for a crack to form in a casting due to the development of internal stress during sobdificabon
3.9
pressur. tightness
tendency not to leak on pressure testing
3.10
order documnt
document or set of documents to which suppher and purchaser agreed at the time of ordering
5 DesIgnation systems
5.1 Numerical designation system
The numerical designabon system shall bern accordance with EN 17$O-1.
5.2 Chemical symbol based designation system
The chemical snbd based designation system shall be rn accordance with EN 1 780.2
For unalloyed grades, the designation shall be in accordance with EN 576
5.3 Temper designations
The following stibrovations shall be used as temper designations for the conditions of hat treatment. referred in Tables 2. 3 and 4 and Table A. 1:
— F ascast
— 0 annealed,
— Ti controlled cooling from casting and naturally aged
— T4 solution heat treated and naturally aged where açphcable:
T5 controlled cooling from casting and arti.oally aged or over.aged;
— T6 solutai heat treated and fully artifloafty aged:
T64 solution heat treated and artifcalty under-aged:
— T7 solution heat treated and artificially oer-aged (stabdised).
NOTE For aüwijm casting alloys, soliiion heat treatment rvh.es querng from devared temperatures and
disr1ion may
5.4 CastIng process designatIons
The following abbreviations shall be used as designations for the different casting processes
— S sand casting:
— K chill or permanent morid casting:
— D pressure die casting.EN 1706-2010 pdf download.