1、10564 : 1997 Soldering and brazing materials - Methods for the sampling of soft solders for analysis * * B The European Standard EN IS0 10564 : 1997 has the status of a British Standard ICs 25.160.50 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW 3 BS EN IS0 10564 : 1997 Nati
2、onal foreword This British Standard is the English language version of EN IS0 10564 : 1997. It is identical with IS0 10564 : 1993. It supersedes BS 3338 : Part 12 : 1960 which is withdram. The K participation in its preparation was entrusted by Technical Committee NF“27, ?In and tin alloys, to Subco
3、mmittee NFE/27/4, Solders and soldering fluxes, which has the responsibility to: - aid enquirers to understand the text; - present to the responsible internatio - monitor related international and European developments and promulgate them in the UK A list of organications represented on this subcomm
4、ittee can be obtallied on request. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN IS0 title page, EN IS0 page 2, the IS0 title page, page ii, pages 1 to 3, a blank pag
5、e, an inside back cover and a back cover. This British Standard, having been prepared under the irection of the Engineering Sector Board, was published under the authority of the Standards Board and comes int effect on 15 April 1997 Q BSI 1997 Amendments issued since publication I Text AmdNo. Date I
6、SBN O 680 26527 7 - STD-BSI BS EN IS0 LO5bLi-ENGL 1777 Lb24bb9 0b0.5755 455 EUROPEAN STANDARD NORME EUROPEENNE EUROPISCHE NORM EN IS0 I0564 January 1997 ICs 25.160.50 Descriptors: See IS0 document English version Soldering and brazing materials - Methods for the sampling of soft solders for analysis
7、 (IS0 10564: 1993) Produits dapport pour brasage tendre et brasage fort - Mthode dchantillonnage des produits dap90rt de brasage tendre pour analyse (IS0 10564:1993) Zusatze run Weich- und Hartlten - Methoden zur Probenahme von Ueichlten fr die Analyse (IS0 10564:1993) * * m This European Standard w
8、as approved by CEN on 1996-12-12. CEN mmikrs are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nation
9、al standards may be obtained on application to the Central Secretariat or to any CEN memkr. The European Standards exist in three official versions (English, French, German). A version in any other Language made by translation under the responsibility of a CEN m b) where the batch consists of over 4
10、, up to and in- cluding 44 units of product, randomly select 4 units of product; c) where the batch consists of n units of product (where n is greater than 441, randomly select 0.1 n units of product (to the nearest integer above 0,l n). 1 STD-BSI BS EN IS0 1OSbLi-ENGL 1797 LbZqbbS Ob057b0 12 BS EN
11、IS0 10564 : 1997 4.3 Preparation of the test sample sticks from the batch sample 4.3.1 General Using the batch sample selected in accordance with 4.2, prepare test sample sticks by the method de- scribed in either 4.3.2 or 4.3.3, depending on the form in which the soft solder is supplied. 4.3.2 Sold
12、er (cast or wrought) in ingot, slab, bar, stick or rod form Melt the whole batch sample (4.2) in a clean iron or fire clay crucible and heat it to between 50 OC and 100 C above the liquidus temperature of the alloy. Stir well and chillcast test sample sticks, approxi- mately 50 g to 100 g in mass an
13、d not more than 8 mm thick, in a cast iron or aluminium mould of the shape given in figure 1. If the batch sample mass is 50 g or less, then pour the whole of the melted sam- ple into one of the cavities in the mould. 110 NOTES 1 The material from which the mould is made should be such that it does
14、not cause contamination of the solder samples. 2 No flux is necessary when melting the batch sample, if the units of product are in the cast form. However, the dross should be scraped aside before casting the test sam- ple sticks. 4.3.3 Solder (wrought) in the form of wire, pellets, powder or prefor
15、ms From each unit of product in the batch sample (4.2) take, at random, a portion having a nominal mass of 10 g. Place all the portions taken to represent the batch into a fire clay crucible. Melt the aggregated portions under a thin layer of flux, such as palm oil, glycerol, rosin or paraffin wax,
16、and heat the melt to between 50 “C and 100 OC above the liquidus tem- perature of the alloy. Stir well and chill-cast one test sample stick, approximately 50 g to 100 g in mass and not more than 8 mm thick, in a cast iron or alu- minium mould of the shape given in figure 1, for every 6 4 A - Dimensi
17、ons in millimetres 80 6-6 A-A NOTE - Material: Cast iron or aluminium. Figure 1 - Mould for casting the test sample sticks 2 - STD-BSI BS EN IS0 LOSb4-ENGL 1777 lb24bb Ob057b1 757 W 100 g of melt. If the melted portions have a total mass of less than 50 g, then pour the whole melt into one of the ca
18、vities in the mould. NOTES 3 The material from which the mould is made should be such that it does not cause contamination of the solder samples. 4 For solder forms containing an integral flux, the flux cover may be omitted when melting the portions. 5 For powders, the recommended flux is activated
19、rosin (e.g. type 1.1.3, as defined in IS0 9454-1:1990, Soft soldering fluxes - Classification and requirements - Part 7: Classification, labelling and packaging). 6 If the mass of the consignment is too small for this procedure to be practicable, then the procedure for sam- pling should be agreed be
20、tween the supplier and the pur- chaser. 4.4 Preparation of the analysis sample Cut each test sample stick, obtained as described in 4.3, in half transversely and take sufficient transverse slices from the middle portion of each stick to give a total mass of between 10 g and 20 g. Place all the slice
21、s into a clean fire clay crucible and add flux (as listed in 4.3.3). Melt the slices and heat the melt to between 50 “C and 100 “C above the liquidus tem- perature of the alloy. - E - - = - - - BS EN IS0 10564 : 1997 Stir well and invert the crucible at a height of approx- imately 50 cm above a dry,
22、 clean, smooth steel plate, having dimensions greater than 50 cm x 50 cm. The “splash“ sample obtained, which should be in the form of a foil suitable for cutting with scissors, con- stitutes the analysis sample representative of the batch. 4.5 Testing of individual units of product (for wrought for
23、ms only) As an alternative to combining the units of product in the batch sample, as in 4.3.2 and 4.3.3, each unit of product selected from the batch by the procedure given in 4.2 may be analysed individually. In this case, prepare the analysis sample for each individual unit of product in accordanc
24、e with the procedures given for the batch sample in 4.3.2 or 4.3.3 (as appropriate) and in 4.4. NOTE 7 If individual units of product are found not to comply with the chemical composition requirements, then they should be individually rejected. If more than 10 % of the units of product in the batch
25、are found to fail on analysis, then the whole batch should be rejected. 5 Preservation of the analysis sample Cut the “splash“ sample (4.4) into small pieces with scissors, degrease them with acetone and dry in a stream of warm air. Keep the sample pieces until re- quired in a sealed airtight contai
26、ner, having a label giving full details of the origin of the sample. 3 STD-BSI BS EN IS0 L05b4-ENGL 1777 Lb24bb7 Ob057b2 b75 BS EN IS0 I . . - 10564 : 1997 BSI 389 Chiswick High Road London w4 4AL 1 BSI - British Standards Institution BSI is the independent national body responsible for preparing Br
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