GOST 24718-2014

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  ГОСТ 24718-2014

GOST 24718−2014 Strip of platinum, palladium and alloys based on them. Specifications

GOST 24718−2014

INTERSTATE STANDARD

STRIPS OF PLATINUM, PALLADIUM AND ALLOYS BASED ON THEM

Specifications

Strips made of platinum, palladium and its base alloys. Specifications

ISS 77.150.99

Date of introduction 2016−01−01

Preface

Goals, basic principles and main procedure of works on interstate standardization have been established in GOST 1.0−92 «interstate standardization system. Basic provisions» and GOST 1.2−2009 «interstate standardization system. Interstate standards, rules and recommendations on interstate standardization. Rules of development, adoption, application, renewal and cancellation"

Data on standard

1 DEVELOPED by the Interstate technical Committee for standardization MTK 304 „Noble metals, alloys and industrial products thereof“, the Ekaterinburg factory on processing of nonferrous metals

2 as AMENDED by the Federal Agency for technical regulation and Metrology

3 ACCEPTED by the Interstate Council for standardization, Metrology and certification (Protocol of October 20, 2014 N 71-N)

The adoption voted:

Short name of the country MK (ISO 3166) 004−97	Country code MK (ISO 3166) 004−97	Abbreviated name of the national authority for standardization
Armenia	AM	The Ministry Of Economic Development Of The Republic Of Armenia
Azerbaijan	AZ	Azstandart
Belarus	BY	Gosstandart Of The Republic Of Belarus
Kyrgyzstan	KG	Kyrgyzstandard
Russia	EN	Rosstandart
Tajikistan	TJ	Tajikstandart
Uzbekistan	UZ	Uzstandard

4 by Order of the Federal Agency for technical regulation and Metrology dated 25 March 2015 N 163-St inter-state standard GOST 24718−2014 introduced as a national standard of the Russian Federation from 1 January 2016.

5 REPLACE GOST 24718−81


Information about the changes to this standard is published in the annual reference index „National standards“, and the text changes and amendments — in monthly information index „National standards“. In case of revision (replacement) or cancellation of this standard a notification will be published in the monthly information index „National standards“. Relevant information, notification and lyrics are also posted in the information system of General use — on the official website of the Federal Agency for technical regulation and Metrology on the Internet

1 Scope

This standard applies to cold rolled strip of platinum, palladium and alloys on their basis, used in instrument making and other industries.

2 Normative references

The present standard features references to the following standards:

GOST 166−89 (ISO 3599−76) Calipers. Specifications

GOST 427−75 Rulers measuring metal. Specifications

GOST 6507−90 Micrometers. Specifications

GOST 8273−75 wrapping Paper. Specifications

GOST 12225−80 Palladium. Methods of analysis

GOST 12226−80Platinum. Methods of analysis
________________
On the territory of the Russian Federation there are GOST R 52519−2006 „Platinum. Method of atomic-emission analysis with inductively coupled plasma“, GOST R 52520−2006"Platinum. Method of atomic-emission analysis with arc excitation spectrum», GOST R 52521−2006 «Platinum. Method of atomic-emission analysis with spark excitation spectrum."


GOST 12550.1−82 Alloys palladium-iridium. Method for the determination of palladium

GOST 12550.2−82 Alloys palladium-iridium. Methods of spectral analysis

GOST 12551.1−82 Alloys platinum-copper. Methods for determination of copper

GOST 12551.2−82 Alloys platinum-copper. Methods of spectral analysis

GOST 12552.1−77 Alloys, platinum-Nickel. Method for the determination of Nickel

GOST 12552.2−77 Alloys, platinum-Nickel. Method of spectral analysis

GOST 12553.1−77 Alloys of platinum-palladium. Method for the determination of palladium

GOST 12553.2−77 Alloys of platinum-palladium. Method of spectral analysis

GOST 12554.1−83 Alloys of platinum-ruthenium. Method for the determination of ruthenium

GOST 12554.2−83 Alloys of platinum-ruthenium. Method of spectral analysis

GOST 12556.1−82 Alloys platinum-rhodium. Method for the determination of rhodium

GOST 12556.2−82 Alloys platinum-rhodium. Methods of spectral analysis

GOST 12558.1−78 Alloys palladium-silver. Method for the determination of silver

GOST 12558.2−78 Alloys palladium-silver. Method of spectral analysis

GOST 12559.1−82 Alloys platinum-iridium. Method of determination of iridium

GOST 12559.2−82 Alloys platinum-iridium. Methods of spectral analysis

GOST 12560.1−78 Alloys palladium-silver-cobalt. Method for the determination of cobalt and silver

GOST 12560.2−78 Alloys palladium-silver-cobalt. Method of spectral analysis

GOST 12561.1−78 Alloys palladium-silver-copper. Method for the determination of copper and silver

GOST 12561.2−78 Alloys palladium-silver-copper. Method of spectral analysis

GOST 13462−2010 Palladium and alloys on its basis. Brand

GOST 13498−2010 Platinum and alloys on its basis. Brand

GOST 14192−96 Marking of cargo

GOST 15150−69 Machines, instruments and other technical products. Versions for different climatic areas. Categories, conditions of use, storage and transportation of the impact of climatic factors of the external environment

GOST 22864−83 precious metals and their alloys. General requirements for methods of analysis

GOST 24104−2001laboratory Scales. General technical requirements

GOST 29329−92Scales for static weighing. General technical requirements
________________
On the territory of the Russian Federation GOST R 53228−2008 «Scales non-automatic actions. Part 1. Metrological and technical requirements. Test».


GOST 30649−99 Alloys based on noble metals for jewellery. Brand

Note — When using this standard appropriate to test the effect of reference standards for the sign «National standards» drawn up as of January 1 of the current year and related information signs, published in the current year. If the reference standard is replaced (changed), when using this standard should be guided by replacing (amended) standard. If the reference standard is cancelled without replacement, then the situation in which the given link applies to the extent that does not affect this link.

3 Terms and definitions

This standard applies the following terms with respective definitions:

3.1 strip: Flat rolled product of rectangular cross section, uniform thickness of 0.10 mm or more.

3.2 dent: the Defect of the surface in the form of randomly-spaced local depressions of various sizes and shapes with sloping edges.

3.3 Burr: the Defect surface, which is a sharp in the form of a crest of the protrusion formed by cutting metal.

3.4 captivity: the Defect of the surface in the form of delamination, often azkabanu shape, elongated in the warp direction and United with the base metal on one side.

3.5 shell: the surface defects in the form of a single elongated recess or a point shape from chipping of foreign objects or opening of the gas bubble.

3.6 stratification: the surface defects in the form cracks on the edges and the ends of the sheet.

3.7 flaw on edges: the surface defects in the form of rupture of the metal at the edges of the strip.

3.8 traces of Stripping: the surface defects in the form of areas with high surface roughness formed after the Stripping of the sheet of abrasive tool.

3.9 crack: a Defect in the form of local rupture of metal of various sizes, having any direction.

3.10 scratch: the surface defects in the form of indentations of irregular shape and an arbitrary direction.

3.11 color tint: Defect formed on the smooth surface of the bands by forming a thin transparent surface oxide layer and light interference in it.

4 symbols and abbreviations

The legend strips are placed according to the scheme:

________________

Normal manufacturing accuracy of the letter not indicated.

Symbols are examples of bands:

1 Strip of platinum of the brand to 99.9 PL, soft, normal accuracy of production, thickness 1.50 mm, width 50 mm, length 250 mm:

Strip PL 99.9 M 1,5x50x250 GOST 24718−2014

2, the Strip of alloy grade PDSR 60−40, rigid, high precision manufacturing, thickness 0.50 mm, width 50 mm, random length:

Strip PDSR 60−40 TV 0,5x50 GOST 24718−2014

5 Technical requirements

5.1 Main parameters and characteristics (properties)

5.1.1 Strip of platinum, palladium and alloys on their basis (hereinafter — band) must conform to the requirements of this standard and be manufactured according to the technological regulations approved in the prescribed manner.

5.1.2 thickness of the strips and limit deviations for thickness shall conform to the values specified in table 1.


Table 1

In millimeters

Thickness
Nominal	Maximum deviation in precision manufacturing
normal	high	high
From 0,100 to 0,150 incl.	-0,025	-0,020	-0,015
SV. 0.15 to 0.40 incl.	-0,04	-0,03	-0,02
SV. Of 0.40 to 0.60 incl.	-0,06	-0,05	-0,03
SV. 0.60 to 1.00 incl.	-0,08	-0,06	-0,04
SV. Of 1.00 to 1.80 incl.	-0,10	-0,08	-0,05
SV. Of 1.80 to 3.20 incl.	-0,12	-0,10	-0,06
SV. Of 3.20 to 6.00 incl.	-0,14	-0,12	-0,08
Note — By agreement with consumer it is allowed manufacture of strips of a different thickness and/or other limiting disabilities

5.1.3 the Width limit deviations on width depending on the thickness and length of the strips should correspond to the values indicated in table 2.


Table 2

In millimeters

Nominal thickness	Limit deviation width when the width of the		Length of random
10; 15; 20; 25; 30; 40; 50; 60; 80; 100	120; 140; 160; 200; 250; 300
From 0.10 to 1.80 incl.	±0,5	±1,0	From 100 to 500 incl.
SV. Of 1.80 to 3.20 incl.	±1,0	±1,5
SV. Of 3.20 to 6.00 incl.	±1,5
Note — By agreement with consumer it is allowed manufacture of strips of different width and length, and/or other limiting disabilities

It is possible to produce bands of length within random, with maximum deviation of ±2.0 mm. In the party of the measuring strips is allowed random not more than 10% of the batch weight.

5.1.4 Calculation mass of a 1 cmstrips of platinum, palladium and alloys based on them are given in Appendix A.

5.1.5 Chemical composition of the bands for technical purposes must comply with GOST 13462, GOST 13498, for jewelry production — GOST 30649.

Note — By agreement with consumer it is allowed manufacture of strips of the other alloys based on palladium and platinum.

5.1.6 Strip manufactured in soft (annealed) and hard (unannealed) condition.

The state of the metal should be specified in the order. If the order specifies the delivery status, the strip is manufactured in hard (unannealed) condition.

5.1.7 the surface of the strips should not be captured, cracks, delamination.

Allowed color of a tint, local darkening lanes, and surface damage (dents, scratches, sinks, signs of Stripping), not deducing strips for maximum deviations in thickness, and undulations, disappearing at a bend.

5.1.8 Strips should be trimmed evenly and should not have flaws on the edges. Burrs shall not display bands for the limit deviation on thickness. Cut end Squareness, mm should take the stripes over the limit deviations on width.

5.1.9 Physical-mechanical properties of strips are given in Appendix B.

Properties of jewellery alloys based on platinum and palladium given in GOST 30649.

5.2 Labeling, packaging

5.2.1 At the corner of each strip is marked, containing:

is the trademark or name and trademark of manufacturer;

mark metal, alloy;

— the batch number.

Marking strips of a thickness less than 0.3 mm and width less than 50 mm is not possible.

Note — By agreement with consumer it is permitted the marking of strips is applied.

5.2.2 stack of strips, wrapped in paper according to GOST 8273, must be Packed in solid wooden (plastic) boxes or padded plywood strips and Packed in cloth bags.

The free space in the box filled with soft packing material to protect the strips from mechanical damage.

Can be applied to other types of packaging and materials to ensure the safety lanes during transportation and storage.

Transport marking under GOST 14192 with the indication of manipulation sign «Fragile. Caution."

5.2.3 Boxes (bags) sealed or sealed. The seal (stamp) needs to have a clear impression.

5.2.4 gross Mass of the packing space should not exceed 20 kg.

5.2.5 Each party bands accompany a document about quality that contains:

is the trademark or name and trademark of manufacturer;

— the symbol of the band;

— the batch number;

— a lot of bands in the party, g;

— the number of bands in the party;

— chemical composition;

— the month and year of manufacture;

— stamp of quality control.

The document about quality invest in a package with accompanying documentation.

6 acceptance Rules

6.1 Strip take parties. The party should consist of strips of the same brand of metal or alloy, the same size and precision manufacturing, one state of delivery. The weight of the batch is not limited.

6.2 dimensional control and surface quality is carried out on each band.

6.3 To check the chemical composition, the consumer selects one strip from the party, manufacturer — a sample from each heat.

6.4 Upon receipt of unsatisfactory results according to the chemical composition it is carried out re-testing at twice the sample or the sample taken from the same batch. The results of repeated tests apply to the entire party.

6.5 the marking is subjected to each lane, checking the packaging and the gross mass of each packaging place.

7 control Methods

7.1 the thickness of the strips is measured at a distance of not less than 25 mm from the vertex of the angle and not less than 15 mm from the edge of the micrometer according to GOST 6507. The width and length of strips measure metal ruler according to GOST 427 or caliper according to GOST 166.

Allowed the use of other measuring instruments providing the required accuracy.

7.2 Verification of the surface quality of the bands is carried out by visual inspection without the use of magnifying devices.

7.3 the weight of the strips is determined on laboratory weights according to GOST 24104, the gross weight of the boxes — on weights according to GOST 29329.

7.4 Chemical composition determines:

platinum — according to GOST 12226;

palladium — GOST 12225;

alloys based on platinum according to GOST 12551.1, 12551.2 GOST, GOST 12552.1, 12552.2 GOST, GOST 12553.1, 12553.2 GOST, GOST 12554.1, 12554.2 GOST, GOST 12556.1, 12556.2 GOST, GOST 12559.1, 12559.2 GOST, GOST 22864;

alloys based on palladium according to GOST 12550.1, 12550.2 GOST, GOST 12558.1, 12558.2 GOST, GOST 12560.1, 12560.2 GOST, GOST 12561.1, 12561.2 GOST, GOST 22864.

Allowed determination of the chemical composition to perform other techniques, certified in the prescribed manner and satisfies the requirements of this standard.

7.5 Marking and packaging checks visual inspection.

8 Transportation and storage

8.1 Transport, storage and accounting of strips is carried out in accordance with the order of storage, transportation and accounting of precious metals.

8.2 transport and storage of strips should be protected from dirt, mechanical damage, moisture, corrosive environments, fume sulfur compounds.

Storage conditions in climatic factors 1.1 in accordance with GOST 15150, conditions for transportation — 3 according to GOST 15150.

9 manufacturer’s Warranty

The manufacturer guarantees the conformity of the chemical composition and size of the bands of platinum, palladium and alloys on their basis the requirements of this standard, under the conditions of transportation and storage prescribed by this standard.

Warranty period of storage of the strips 15 years from the date of manufacture.

Annex a (informative). Calculation mass of a 1 cm strips of platinum, palladium and alloys based on them

Appendix A
(reference)

Table A. 1

Strip thickness, mm	Calculation mass of a 1 cmstrips of platinum, palladium and alloys based on them, g
PL 99, And 93; PL 99,9; PL 99,8	PLI 90−10	Plrd 90−10	Plpd 85−15	PD 99,9; PD 99,8	PDI 82−18	PDSR 60−40	Pdsrm 60−36
0,10	0,2145	0,2154	Of 0.2000	0,1925	0,1216	0,1325	0,1144	0,1135
0,12	0,2574	0,2585	0,2400	0,2310	0,1459	0,1590	0,1373	0,1362
0,15	0,3218	0,3231	0,3000	0,2888	0,1824	0,1988	0,1716	0,1703
0,20	0,4290	0,4308	0,4000	0,3850	0,2432	0,2650	0,2288	0,2270
0,25	0,5363	0,5385	0,5000	0,4813	0,3040	0,3313	0,2860	0,2838
0,30	0,6435	0,6462	0,6000	0,5775	0,3648	0,3975	0,3432	0,3405
0,32	0,6864	0,6893	0,6400	0,6160	0,3891	0,4240	0,3661	0,3632
0,35	0,7508	0,7539	At 0.7000	0,6738	0,4256	0,4638	0,4004	0,3973
0,40	0,8580	0,8616	Of 0.8000	Of 0.7700	0,4864	0,5300	0,4576	0,4540
0,50	1,0725	1,0770	1,0000	0,9625	0,6080	0,6625	0,5720	0,5675
0,60	1,2870	1,2924	1,2000	1,1550	0,7296	0,7950	0,6864	0,6810
0,70	1,5015	1,5078	1,4000	At 1.3475	0,8512	0,9275	0,8008	0,7945
0,80	1,7160	1,7232	1,6000	Of 1.5400	0,9728	Of 1.0600	0,9152	Of 0.9080
0,90	1,9305	1,9386	1,8000	1,7325	Of 1.0944	1,1925	1,0296	1,0215
Of 1.00	2,145	2,154	2,000	1,925	1,216	1,325	1,144	1,135
1,10	2,360	2,369	2,200	2,118	1,338	1,458	1,258	1,249
1,20	2,574	2,585	2,400	2,310	1,459	1,590	1,373	1,362
1,30	2,789	2,800	2,600	2,503	1,581	1,723	1,487	1,476
1,40	3,003	3,016	2,800	2,695	1,702	1,855	1,602	1,589
1,50	3,218	3,231	3,000	2,888	1,824	1,988	1,716	1,703
1,60	3,432	3,446	3,200	3,080	1,946	2,120	1,830	1,816
1,80	3,861	3,877	3,600	3,465	2,189	2,385	2,059	2,043
Of 2.00	4,290	4,308	4,000	3,850	2,432	2,650	2,288	2,270
2,20	4,719	4,739	4,400	4,235	2,675	2,915	2,517	2,497
2,50	5,363	5,385	5,000	4,813	3,040	3,313	2,860	2,838
2,80	6,006	6,031	5,600	5,390	3,405	3,710	3,203	3,178
Of 3.00	6,435	6,462	6,000	5,775	3,648	3,975	3,432	3,405
3,20	6,864	6,893	6,400	6,160	3,891	4,240	3,661	3,632
3,60	7,722	7,754	7,200	6,930	4,378	4,770	4,118	4,086
Of 4.00	8,580	8,616	8,000	7,700	4,864	5,300	4,576	4,540
4,50	9,653	9,693	9,000	8,663	5,472	5,963	5,148	5,108
5,00	10,725	10,770	10,000	9,625	6,080	Of 6.625	5,720	5,675
5,50	11,798	11,847	11,000	10,588	6,688	7,288	6,292	6,243
6,00	12,870	12,924	12,000	11,550	7,296	7,950	6,864	6,810

Annex B (reference). Physico-mechanical properties of strips of platinum, palladium and alloys based on them

Appendix B
(reference)

Table B. 1

Mark metal, alloy	The calculated density, g/cm	Melting point (range), °C	Hardness HV*, MPa (kgf/mm), the condition of the material
solid, not less	soft, no more
PL 99, And 93; PL 99,9; PL 99,8	21,45	1769	830 (85)	540 (55)
PLI 95−5	21,50	1790−1800	1080 (110)	880 (90)
PLI 90−10	21,54	1790−1800	1370 (140)	1080 (110)
PLI 75−25	21,68	1840−1890	1550 (260)	2160 (220)
PLI 70−30	21,73	1890−1920	2650 (270)	2450 (250)
Plrd 93−7	20,42	1800−1820	980 (100)	840 (86)
Plrd 90−10	20,00	1810−1830	1180 (120)	930 (95)
Plrd 70−30	17,63	1870−1890	1670 (170)	1320 (135)
Plpd 90−10	Of 19.93	1760−1765	980 (100)	490 (50)
Plpd 85−15	19,25	1750−1765	1180 (120)	590 (60)
PD 99,9; PD 99,8	12,16	1555	780 (80)	540 (55)
PDI 90−10	12,74	1560−1650	1370 (140)	980 (100)
PDI 82−18	13,25	1580−1710	1960 (200)	1670 (170)
PDSR 80−20	11,79	1440−1480	980 (100)	735 (75)
PDSR 60−40	11,44	1340−1390	1270 (130)	980 (100)
Pdsrk 60−35	To 11.32	1370−1420	1760 (180)	1470 (150)
Pdsrm 60−36	11,35	1380−1420	1470 (150)	1180 (120)
* Hardness test was performed on strips with a thickness of 0.3−1.5 mm. properties of solid…

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The marriage of the original. — Note the manufacturer’s database.