EN 1559-6-1998 pdf download.Founding Technical conditions of deliveiy Pait 6: Additional requirements for zinc alloy castings.
This part of EN 1559 applies to ctlngs ma(le from Zinc alh)ys Pfl)dt1(’d by sand casting, permanent 100111(1 castuig, j)rL5SW (lie casting. centrifugal casting. continUoUs casting or inestinent casting,
ThIS standard specifies the additionai teehnieai dehvvty conditions for zinc alloy castings.
This standard does not apply to thgo(s bars, billets (or other shapes) ror further reprocessing, such remelting, gnnding or extrusion.
2 Normative referenceti
This European Standard incorporates by (kited or undated reference, provisions from other publications. These normative references are cited at the apI)roIwIatc places in the text and the publications are listed hereafler. For dated eferenees, subsequent amendments to or revisions of any of these pul)lwatIon.s apply to this European Standard only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies.
EN 1371-1, Fou,id.nq — Liquid ,N’netrnnI insp!ction — Part 1: Sand, grni’ify die and low pmssure die castings.
EN 1371-2, Founding — Liquid jienetmut ins,x’clion — Part 2: Incest nent Castings.
EN 1550-1, Fuund.nq — Ttihnicnl crmditkm.c of
delirenj — Pun’ 1: GeucruL
5 DeNigImtion
The designation of zinc alloy castings by alloy number or by alloy slioti designation sluill 1w in accordance with EN 12844. This designation shall be used on drawings. in the order and on the product according to EN 12844.
11w (k’SignahOn desCflbes the ZHW alloy based on chemical composition.
NOTE I Ignanons Of (t ZWC a1In are given in EN 1774.
6 Manufacture
6.1 • Manufacturing process
6.2 Welding operations
6.2.1 • General
6.2.2 .. Production welding
In arkhUon to EN 1550.1, welding shall not be pernutted for pressure (lie castings, but may be used for other t3pes of castings.
7 Requirements
7.1 General
7.2 Material
7.3 Casting
7.3.1 • Chemical composition
7.3.2 • Mechanical properties
7.3.3 Non-destructive testing
7.3.3.1 .. EN 1550-1 shall apply with the following additions.
— The hquid penetrant insjwcton shall be carried
out in accordance with either EN 1371-1 or EN 1371-2,
as appropriate.
— The r.iograp)iir inspection shall be rarne(I out
in accordance with prEN 12681.
7.3.3.2 The surface condition of the casting shall be agreed either at the time of or(lenng or shall correspond to the initial sample.
7.3.3.3 For pressure (he castings, unacceptable external and internal di. tinLtIIles shall lead to a njectAon of the part.
7.3.3.4.
7.3.4 • Condition of the casting
7.3.5 Mass of the casting
7.3.6 .. .4dditional requirements regarding the condition of the casting
In order to eliminate leaks in castings it jq possible with the approval of the purchaser to IL%( unpregriahon pn)cc(tures. The rnI)regnanon nwdiuuu and method, maxunuin pernutted size of discontinuities and retest p10udttrt shall be agreed betWeen the nuuiufactin’r and the purcluiser.
If applicable, density evaluation by weight nuasurernents in afr and water to agreed cnt.ena shall 1w used to estimate the soundness of the asting.
8 Testing and documents on material testing
8.1 •General
8.2 Inspection and testing
See EN 1559.1, EN 1774 and EN 12s44.
8.3 Test unit sampling
8.3.1 • Forniatlon qf test units
8.3.2 •Slze of test units
8.3.3 • Inspection frequency
8.4 Samples
See EN 15591, EN 1774 and EN 12844.
8.5 Test methods
Sec EN l55O1, EN 1774and EN 12844.
8.6 • Invalidadon of tests
8.7 RetestM
8.7.1 • General
8.7.2 Individual values (non-sequential tests) EN 151ifl-1 shall apply with the following akhtjon. If there is a disagreement between the manufacturer and the purchaser on the dienneal composition of a lest iiiiit the nuuuifactnrer shall re-cheek the chenucal (ThnpOslUOfl OH 11w odginal test piece, whenever possible. If the disagreement persists a referee analysis shall hr canled out by a nnitually acceptable
‘ labora1or
8.7.3 • Sequential tests
8.8 Sorting and reprocessing
9 • Marking
10 • Packaging and surface protection
11 U Complaints.EN 1559-6-1998 pdf download.