GOST 18389-73

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  ГОСТ 18389-73

GOST 18389−73 Wire made from platinum and its alloys. Technical specifications (with Changes N 1, 2, 3, 4, 5, 6)

GOST 18389−73

Group В74

INTERSTATE STANDARD

WIRE MADE OF PLATINUM AND ITS ALLOYS

Specifications

Wire made of platinum and its alloys. Specifications

ISS 77.150.99
GST 18 6590

Date of introduction 1974−01−01

INFORMATION DATA

1. DEVELOPED AND INTRODUCED by the Ministry of nonferrous metallurgy of the USSR

2. APPROVED AND promulgated by the Decree of the State Committee of standards of Ministerial Council of the USSR from 02.02.73 N 240

Change No. 5 adopted by the Interstate Council for standardization, Metrology and certification (minutes No. 12 dated November 21, 1997)

The adoption of the changes voted:

The name of the state	The name of the national authority for standardization
The Republic Of Azerbaijan	Azgosstandart
The Republic Of Armenia	Armastajad
The Republic Of Belarus	Gosstandart Of Belarus
Kyrgyz Republic	Kyrgyzstandart
Russian Federation	Gosstandart Of Russia
The Republic Of Tajikistan	Tajikistandart
Turkmenistan	The main state inspection of Turkmenistan
The Republic Of Uzbekistan	Standards

Change No. 6 adopted by the Interstate Council for standardization, Metrology and certification (minutes N 19 dated 24 may 2001)

The adoption of the changes voted:

The name of the state	The name of the national authority for standardization
The Republic Of Azerbaijan	Azgosstandart
The Republic Of Armenia	Armastajad
The Republic Of Belarus	Gosstandart Of The Republic Of Belarus
The Republic Of Kazakhstan	Gosstandart Of The Republic Of Kazakhstan
The Kyrgyz Republic	Kyrgyzstandard
The Republic Of Moldova	Moldovastandart
Russian Federation	Gosstandart Of Russia
The Republic Of Tajikistan	Tajikstandart
Turkmenistan	The MDCSU «Turkmenstandartlary"
The Republic Of Uzbekistan	Standards
Ukraine	Gosstandart Of Ukraine

3. INSTEAD 8396−57 GOST, GOST 8397−57 in part of wire of platinum and its alloys

4. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS

The designation of the reference document referenced	Item number
GOST 3193−74	4.3
GOST 6507−90	4.1
GOST 8273−75	5.4
GOST 12226−80	4.3
GOST 12551.1−82	4.3
GOST 12551.2−82	4.3
GOST 12552.1−77	4.3
GOST 12552.2−77	4.3
GOST 12553.1−77	4.3
GOST 12553.2−77	4.3
GOST 12554.1−83	4.3
GOST 12554.2−83	4.3
GOST 12556.1−82	4.3
GOST 12556.2−82	4.3
GOST 12559.1−82	4.3
GOST 12559.2−82	4.3
GOST 13498−79	2.1
GOST 14192−96	5.5
GOST 15150−69	5.9
GOST 18617−83	5.4
GOST 24104−88	4.1
GOST 28798−90	4.1
GOST 30649−99	2.1, 2.4

5. Limitation of actions taken by Protocol No. 5−94 of the Interstate Council for standardization, Metrology and certification (ICS 11−12−94)

6. EDITION (August 2004), with Changes N 1, 2, 3, 4, 5, 6, approved in March 1979, August 1983, October 1985, February 1990, March 1998, August 2001 (IUS 5−79, 11−83, 1−86, 5−90, 6−98, 11−2001)


This standard applies to cold-drawn wire made of platinum and its alloys used in instrumentation and other industries.

(Changed edition, Rev. N 2, 4).

1. ASSORTMENT

1.1. The diameter of the wire and limit deviation shall be as specified in table.1.

Table 1

Nominal diameter, mm	Limit deviation for diameter mm, precision manufacturing
	high	normal
0,020	-0,003	-0,005
0,022
0,025
0,028
0,030
0,032	-0,006	-0,008
0,036
0,040
0,045
0,050
0,056
0,060	-0,006	-0,010
0,070
0,080
0,090
0,10	-0,008	-0,015
0,11
0,12
0,14
0,15
0,16	-0,012	-0,020
0,18
0,20
0,22
0,25
0,28
0,30
0,32
0,36	-0,020	-0,040
0,40
0,45
0,50
0,56
0,60
0,63	-0,030	-0,045
0,70
0,80
0,90
Of 1.00	-0,035	Of -0.055
1,10
1,20
1,50
1,60
1,80
Of 2.00
2,20
2,50
2,80
Of 3.00
3,20	-0,040	-0,070
3,60
Of 4.00
4,50
5,00
6,00

Notes:

1. Alloy wire grades PLI-25, Plrd-20, PBM-2,5, PLN-4,5, Plru-8 plru-10 is made with a diameter of 0.04 mm or more, the alloys of PLI-30, Plrd-30, Plrd-40 — a diameter of 0.1 mm or more.

2. Customer’s request wire of alloy grade PLM-8,5 manufactured with special treatment (stabilization).

3. Theoretical weight of 1 m of wire is given in Annex 1.


(Changed edition, Rev. N 2, 3).

1.2. The roundness of the wire must not exceed half of the maximum deviations in diameter.

Examples of symbols

Platinum wire marks PL 99,9, soft, with a diameter of 0.40 mm, high manufacturing precision (P):

Wire Of 99.9 PL-M-0,40-P GOST 18389−73

The same, of platinum-iridium alloy, grade PLI-10, solid, with a diameter of 1.2 mm, high manufacturing precision (P):

Wire PLI-10-T-1,20-P GOST 18389−73

(Changed edition, Rev. N 2).

2. TECHNICAL REQUIREMENTS

2.1. Wire produced in accordance with the requirements of this standard for technological regulations approved in the prescribed manner.

A wire made of platinum and its alloys with the chemical composition according to GOST or GOST 13498 30649.

(Changed edition, Rev. N 2, 6).

2.2. Wire produced:

diameter of less than 0.10 mm — solid (hard);

with a diameter of 0.10 mm or more — soft (annealed) and hard (work-hardened).

(Changed edition, Rev. N 2).

2.2. Wire diameter of 0.3 mm or less is wound on a tared metal or plastic coil, wire with a diameter of more than 0.3−0.5 mm for the coil or coils, the wire diameter more than 0.5 mm — in coils only.

Allowed manufacturing wire alloy grades PLI-15, PLI-20, PLI-17,5, PLI-25, PLI-30, Plrd-20, Plrd-30, Plrd-40, the PLN-4,5, and at the request of the consumer of other alloys with a diameter of 4 mm or more in segments with a length from 200 to 1000 mm.

(Added, Rev. N 2).

2.2 b. The wire should be wound on a reel or folded in Hanks that provides free winding rows, with no sharp kinks. The distance between the upper row of the wire and the edge of the cheeks of the coil should be at least 3 mm.

Each coil or each coil shall consist of one piece of wire without splices and knots. The ends of the wire on the coils should be firmly fixed. Each coil of wire with a diameter of 2 mm needs to be fixed ends of the wire in the same bundle.

Allowed to bind the coils of wire in the Bay.

(Changed edition, Rev. N 2, 4).

2.3. The surface of wire should be clean, smooth, should not be captured, cracks, cavities and delaminations.

On the surface of the wire allowed the color of the tint and local darkening and surface damage, not bringing the wire at reference sweep for tolerances for diameter.

(Changed edition, Rev. N 2).

2.4. The physical properties of the wire are given in appendices 2 and 3.

Properties of jewellery alloys is given in GOST 30649.

(Changed edition, Rev. N 6).

2.5. Weight of wire on a reel (coil) shall conform to the requirements specified in table.2.

Table 2

Wire diameter, mm	Weight of wire on a reel (spool), g, not less
	normal	reduced
0,020−0,03	0,7	0,3
0,032−0,05	1,8	1,0
0,056−0,10	5,5	2,0
0,110−0,20	16,0	5,0
0,220−0,40	27,0	10,0
Is 0.450 to 1.00	55,0	25,0
1,100−2,00	150,0	75,0
2,200−6,00	300,0	150,0

Notes:

1. The number of coils (coils) of wire for reduced mass should not exceed 15% of the batch weight.

2. At the request of the consumer permitted wire bundles (coils) of wire for reduced mass.


(Changed edition, Rev. N 2, 5).

3. ACCEPTANCE RULES

3.1. Wire take parties. The party should consist of wire of one brand of metal, alloy, of the same diameter, one state and one precision manufacturing and are decorated in one document about quality that contains:

trademark or the name and trademark of manufacturer;

the diameter of the wire;

batch number;

the brand of metal;

the condition of the material;

the number of coils (coils);

chemical composition;

the mass of wire in grams;

the date of issue.

(Changed edition, Rev. N 2, 5).

3.2. To check the appearance, diameter and mass is performed on each reel (spool) wire.

3.3. To determine the chemical composition of selected single coil (the coil) from the party.

Allowed the manufacturer to identify the chemical composition of platinum and its alloys for each cast.

3.4. If unsatisfactory results on the chemical composition, it produced a re-test at twice the number of skeins (coils) of the same party.

The results of repeated tests apply to the entire party.

3.2−3.4. (Changed edition, Rev. N 2).

4. TEST METHODS

4.1. The wire diameter and ovality measured in two locations at a minimum distance of 100 mm from each other in two mutually perpendicular directions in each measured cross-section optistore according to GOST 28798 and micrometer type MK 25−1 according to GOST 6507 or other instruments providing the required accuracy.

If there is disagreement in the evaluation of the measurements carried out by optistore churchyard 28798 and micrometer type MK 25−1 according to GOST 6507.

Ground wire check on laboratory scales General purpose accuracy class 3 according to GOST 24104*.

________________

* From 1 July 2002 was put into effect GOST 24104−2001.

(Changed edition, Rev. N 2, 3, 4).

4.2. The surface of the wire with a diameter of 0.1 mm check external examination. The surface of the wire 0.1 mm in diameter and at least check with a magnifying glass with magnification of 7.

4.3. Chemical composition is determined by GOST 12226, 12551.1 GOST, GOST 12551.2, 12552.1 GOST, GOST 12552.2, 12553.1 GOST, GOST 12553.2, 12554.1 GOST, GOST 12554.2, 12556.1 GOST, GOST 12556.2, 12559.1 GOST, GOST 12559.2, according to methodology described in Annex 2 GOST 3193.

(Changed edition, Rev. N 2, 4).

5. PACKING, MARKING, TRANSPORTATION AND STORAGE

5.1, 5.2. (Deleted, Rev. N 2).

5.3. On each reel (spool) of wire, attach the label, which must include:

a) trademark or the name and trademark of manufacturer;

b) brand of metal;

in) diameter wire;

d) the tare weight in grams;

d) the batch number;

e) designation of this standard.

(Changed edition, Rev. N 2, 4).

5.4. Coil Packed in plastic or cardboard boxes, and the Bay of wire, wrapped in paper according to GOST 8273, must be Packed in solid wooden boxes of type I according to GOST 18617. Allowed to use other method and material for packaging, ensure quality safety of products.

Weight of cargo must not exceed 30 kg.

(Changed edition, Rev. N 4)

5.5. Transport marking under GOST 14192.

(Changed edition, Rev. N 3).

5.6. (Deleted, Rev. N 2).

5.7. (Deleted, Rev. N 3).

5.8. (Deleted, Rev. N 2).

5.9. Storage and transportation of wire of platinum and its alloys is carried out in accordance with the order of storage, transportation and accounting of precious metals.

Storage conditions in terms of the impact of climatic factors — according to GOST 15150, group 1 (L).

(Changed edition, Rev. N 2, 3).

ANNEX 1 (reference). THEORETICAL WEIGHT OF 1 M OF WIRE OF PLATINUM AND ITS ALLOYS

ANNEX 1
Reference

Diameter Provo- Loki, mm	The cross-sectional area, mm	Theoretical weight of 1 m of wire, d, from grades
		PL	PLI-5	PLI-10	PLI-15	PLI- 17,5	PLI-20	PLI-25	PLI-30	Plpd- 10	Plpd- 15	Plpd- 20	Plplot- 4−3,5	Plrd-7	Plrd- 7,5	Plrd- 10	Plrd- 20	Plrd- 30	Plrd- 40	PLM- 2,5	PLM-8,5	PLN- 4,5	Plru-8	Plru-10
0,020	0,000314	0,00674	0,00675	0,00676	0,00677	0,00679	0,00680	-	-	0,00626	0,00605	0,00584	0,00638	0,00641	0,00639	0,00628	-	-	-	-	0,00602	-	-	-
0,022	0,000380	0,00815	0,00817	0,00819	0,00820	0,00821	0,00822	-	-	0,00757	0,00732	0,00707	0,00772	0,00776	0,00773	0,00760	-	-	-	-	0,00729	-	-	-
0,025	0,000490	0,01051	0,01054	0,01056	0,01053	0,01059	0,01060	-	-	0,00977	0,00943	0,00912	0,00996	0,01001	0,00997	0,00980	-	-	-	-	0,00939	-	-	-
0,028	0,000615	0,01319	0,01322	0,01325	0,01328	0,01329	0,01331	-	-	0,01226	0,01184	0,01145	0,01250	0,01256	0,01252	0,01230	-	-	-	-	0,01179	-	-	-
0,030	0,000706	0,01514	0,01518	0,01521	0,01524	0,01526	0,01528	-	-	0,01407	0,01359	0,01314	0,01435	0,01442	0,01437	0,01412	-	-	-	-	0,01353	-	-	-
0,032	0,000804	0,01725	0,01729	0,01732	0,01736	0,01737	0,01740	-	-	0,01602	0,01548	0,01496	0,01634	0,01642	0,01636	0,01608	-	-	-	-	0,01541	-	-	-
0,036	0,001017	0,02182	0,02187	0,02191	0,02196	0,02198	0,02201	-	-	0,02027	0,01958	0,01893	0,02067	0,02077	0,02070	0,02034	-	-	-	-	0,01950	-	-	-
0,040	0,001256	0,02694	0,02700	0,02705	0,02712	0,02714	0,02718	0,02725	-	0,02503	0,02418	0,02337	0,02552	0,02565	0,02556	0,02512	0,02354	-	-	0,02604	0,02408	0,02533	0,02542	0,02506
0,045	0,001590	0,03411	0,03419	0,03425	0,03433	0,03436	0,03441	0,03447	-	0,03169	0,03061	0,02959	0,03231	0,03247	0,03236	0,03180	0,02980	-	-	0,03296	0,03048	0,03207	0,03218	0,03172
0,050	0,001963	0,04211	0,04221	0,04228	0,04238	0,04242	0,04248	0,04256	-	0,03912	0,03779	0,03653	0,03989	0,04008	0,03995	0,03926	0,03679	-	-	0,04069	0,03763	0,03959	0,03973	0,03916
0,056	0,002463	0,05283	0,05296	0,05305	0,05318	0,05323	0,05330	0,05340	-	0,04909	0,04741	0,04584	0,05005	0,05029	0,05012	0,04926	0,04616	-	-	0,05106	0,04722	0,04968	0,04985	0,04914
0,060	0,002827	0,06064	0,06078	0,06089	0,06104	0,06109	0,06118	0,06129	-	0,05634	0,05442	0,05261	0,05745	0,05773	0,05753	0,05654	0,05298	-	-	0,05860	0,05419	0,05702	0,05722	0,05640
0,070	0,003848	0,08254	0,08273	0,08289	0,08308	0,08316	0,08327	0,08343	-	0,07669	0,07407	0,07161	0,07819	0,07858	0,07831	0,07696	0,07211	-	-	0,07977	0,07377	0,07761	0,07788	0,07677
0,080	0,005026	0,10781	0,10806	0,10826	0,10851	0,10861	0,10876	0,10896	-	0,10017	0,09675	0,09353	0,10213	0,10263	0,10228	0,10052	0,09419	-	-	0,10419	0,09635	0,10137	0,10173	0,10027
0,090	0,006361	0,13644	0,13676	0,13702	0,13733	0,13746	0,13765	0,13791	-	0,12678	0,12245	0,11838	0,12926	0,12989	0,12945	0,12722	0,11921	-	-	0,13186	0,12194	0,12830	0,12875	0,12690
0,10	0,00785	0,1684	0,1688	0,1692	0,1695	0,1697	0,1699	0,1703	0,1706	0,1565	0,1511	0,1461	0,1595	0,1604	0,1598	0,1571	0,1470	0,1384	0,1307	0,16279	0,1505	0,1584	0,1589	0,1567
0,11	0,00950	0,2038	0,2043	0,2047	0,2052	0,2054	0,2056	0,2060	0,2065	0,1894	0,1829	0,1769	0,1931	0,1941	0,1934	0,1901	0,1781	0,1675	0,1581	0,19700	0,1822	0,1917	0,1923	0,1896
0,12	0,01131	0,2426	0,2431	0,2436	0,2442	0,2444	0,2447	0,2452	0,2457	0,2254	0,2177	0,2105	0,2298	0,2309	0,2301	0,2262	0,2119	0,1994	0,1882	0,23444	0,2168	0,2281	0,2289	0,2256
0,14	0,01539	0,3302	0,3310	0,3316	0,3323	0,3326	0,3331	0,3337	0,3345	0,3068	0,2963	0,2865	0,3128	0,3143	0,3132	0,3079	0,2885	0,2714	0,2561	0,31910	0,2951	0,3105	0,3116	0,3071
0,15	0,01767	0,3790	0,3799	0,3806	0,3815	0,3819	0,3824	0,3831	0,3840	0,3522	0,3402	0,3289	0,3591	0,3608	0,3596	0,3534	0,3312	0,3115	0,2940	0,3663	0,3388	0,3564	0,3577	0,3525
0,16	0,02011	0,4313	0,4323	0,4331	0,4341	0,4345	0,4351	0,4359	0,4369	0,4007	0,3870	0,3742	0,4085	0,4105	0,4091	0,4021	0,3768	0,3545	0,3345	0,4168	0,3854	0,4055	0,4069	0,4011
0,18	0,02545	0,5458	0,5471	0,5481	0,5494	0,5499	0,5507	0,5517	0,5529	0,5071	0,4898	0,4736	0,5171	0,5196	0,5178	0,5089	0,4769	0,4486	0,4234	0,5275	0,4878	0,5132	0,5150	0,5076
0,20	0,03142	0,6739	0,6754	0,6767	0,6783	0,6789	0,6798	0,6811	0,6826	0,6261	0,6047	0,5846	0,6384	0,6415	0,6393	0,6283	0,5887	0,5538	0,5227	0,6512	0,6022	0,6336	0,6358	0,6267
0,22	0,03801	0,8154	0,8173	0,8188	0,2807	0,8214	0,8226	0,8241	Of 0.8260	0,7576	0,7317	0,7074	0,7724	0,7762	0,7735	0,7602	0,7123	0,6702	0,6325	0,7880	0,7287	0,7667	0,7694	0,7583
0,25	0,04909	1,0529	1,0553	1,0573	1,0598	1,0607	1,0622	1,0642	1,0666	0,9783	0,9449	0,9135	0,9974	1,0023	0,9989	0,9817	0,9199	0,8654	0,8168	1,0176	0,9410	0,9901	0,9935	0,9793
0,28	0,06157	1,3208	1,3238	1,3263	1,3294	1,3306	1,3325	1,3349	1,3380	1,2272	1,1853	1,1459	1,2512	1,2573	1,2530	1,2315	1,1539	1,0856	1,0246	1,2764	1,1804	1,2419	1,2463	1,2284
0,30	0,07068	1,5162	Of 1.5197	1,5225	1,5261	1,5275	1,5296	1,5324	1,5360	1,4087	1,3607	1,3154	1,4363	1,4434	1,4384	1,4137	1,3246	1,2462	1,1762	1,4653	1,3550	1,4257	1,4306	1,4101
0,32	0,08042	1,7251	1,7291	1,7323	1,7363	1,7379	1,7404	1,7436	1,7476	1,6028	1,5481	1,4967	1,6342	1,6422	1,6366	1,6085	1,5071	1,4179	1,3382	1,6672	1,5417	1,6221	1,6278	1,6044
0,36	0,10179	2,1833	2,1884	2,1924	2,1975	2,1996	2,2026	2,2067	2,2118	2,0286	1,9584	1,8942	2,0683	2,0785	2,0713	2,0357	1,9075	1,7945	1,6937	2,1100	1,9512	2,0630	2,0601	2,0306
0,40	0,12566	2,6954	2,7017	2,7067	2,7130	2,7155	2,7193	2,7243	2,7306	2,5044	2,4190	2,3386	2,5534	2,5660	2,5572	2,5132	2,3549	2,2154	2,0910	2,6050	2,4089	2,5346	2,5434	2,5069
0,45	0,1590	3,411	3,419	3,426	3,434	3,437	3,442	3,448	3,456	3,170	3,062	2,960	3,232	3,248	3,236	3,181	2,980	2,804	2,646	3,297	3,049	3,208	3,219	3,173
0,50	0,1963	4,212	4,221	4,229	4,239	4,243	4,249	4,257	4,267	3,913	3,780	3,654	3,990	4,009	3,996	Of 3 927	3,680	3,462	3,267	4,070	3,764	3,960	3,974	3,917
0,56	0,2463	5,283	5,296	5,305	5,318	5,322	5,330	5,340	5,352	4,909	4,741	4,584	5,005	5,029	5,012	4,926	4,616	4,342	4,098	5,106	4,721	4,968	4,985	4,914
0,60	0,2827	6,065	6,079	6,090	6,104	6,110	6,118	6,130	6,144	5,635	5,443	5,262	5,745	5,774	5,754	5,655	RUB 5.299	4,985	4,705	5,861	5,420	5,703	5,723	5,641
0,63	0,3117	6,686	6,702	6,714	6,730	6,736	6,746	6,758	6,774	6,213	6,001	5,801	6,334	6,365	6,343	6,234	5,842	5,496	5,187	6,462	5,976	6,287	6,309	6,219
0,70	0,3848	8,255	8,274	8,289	8,309	8,316	8,328	8,343	8,363	7,670	7,408	7,162	7,820	7,858	7,831	7,697	7,212	6,785	6,404	7,978	7,377	7,762	7,789	7,678
0,80	0,5026	10,782	10,807	10,827	10,852	10,862	10,877	10,897	10,922	10,018	9,676	9,354	10,214	10,264	10,229	10,053	9,420	8,862	8,364	10,420	9,636	10,138	10,174	10,028
0,90	0,6362	13,646	13,677	13,703	13,735	13,747	12,767	13,792	13,824	12,679	12,246	11,839 we found another	12,927	12,990	12,946	12,723	11,922	11,216	10,586	13,188	12,195	12,831	12,876	12,691
Of 1.00	0,7854	16,846	16,886	16,917	16,956	16,972	16,996	17,027	17,066	15,653	15,119	14,616	15,959	16,038	15,983	15,708	14,718	13,846	13,069	16,281	15,056	15,841	15,896	15,668
1,10	0,9503	20,384	20,432	20,470	20,517	20,536	20,565	20,603	20,650	18,940	18,294	17,685	19,310	19,405	19,339	19,006	17,809	16,754	15,813	19,700	18,281	19,168	19,234	18,959
1,20	1,1309	24,259	24,316	24,361	24,417	24,440	24,474	24,519	24,576	22,540	21,771	21,047	22,981	23,094	23,015	22,619	21,194	19,939	18,819	23,445	21,680	22,811	22,891	22,563
1,50	1,7671	37,905	37,993	38,064	38,152	38,187	38,240	38,311	38,399	35,219	34,017	32,886	35,908	36,084	35,961	35,342	33,116	31,154	29,405	36,632	33,876	35,643	35,766	35,254
1,60	2,0106	43,127	43,228	43,308	43,409	43,449	43,509	43,589	43,690	40,071	38,704	37,417	40,855	41,056	40,915	40,212	37,678	35,447	33,456	41,679	38,543	40,553	Forty thousand six hundred ninety four	40,111
1,80	2,5446	54,583	54,710	54,812	54,939	54,990	55,066	55,178	55,295	50,715	48,984	47,356	51,707	51,962	51,784	50,899	47,687	44,862	42,343	52,751	48,781	51,326	51,504	50,766
Of 2.00	3,1415	67,386	67,543	67,669	67,826	67,889	67,983	68,109	68,266	62,611	60,475	58,464	63,836	64,150	63,930	62,831	58,872	55,385	52,275	65,124	60,223	63,365	63,585	62,674
2,20	3,801	81,53	81,73	81,88	82,07	82,15	82,26	82,41	82,60	75,76	73 and 17	70,74	77,24	77,62	77,36	76,03	71,24	67,02	63,25	78,80	72,87	76,67	76,94	75,84
2,50	4,909	105,29	105,54	105,73	105,98	106,08	106,22	106,42	106,67	97,83	Of 94.49	91,35	Of 99.74	Of 100.23	Of 99.89	98,17	91,99	86,54	81,68	101,76	94,10	99,01	The 99.35	97,93
2,80	6,157	132,08	132,38	132,63	132,94	133,06	133,25	133,49	133,80	122,72	118,53	114,59	125,12	125,73	125,30	Of 123.15	115,39	108,56	102,46	127,64	118,04	124,20	124,63	Of 122.84
Of 3.00	7,068	151,62	151,97	152,25	152,61	152,75	152,96	153,24	153,60	140,87	136,07	131,54	143,63	144,34	143,84	141,37	132,46	124,62	117,62	146,53	135,50	142,57	Of 143.07	141,02
3,20	8,042	172,51	172,91	173,23	173,63	173,79	174,04	174,36	174,76	160,28	154,82	149,67	163,42	164,22	163,66	160,85	150,71	141,79	Of 138.82	166,72	154,17	162,21	Of 162.78	160,44
3,60	10,179	218,33	218,84	219,26	219,76	219,96	220,26	220,67	221,18	202,86	195,94	189,42	206,83	207,85	207,13	203,57	190,75	179,45	169,37	Of 211.00	195,12	205,30	206,01	203,06
Of 4.00	12,566	269,54	270,17	270,68	271,30	271,55	271,93	272,43	273,06	250,44	241,90	233,86	255,34	256,60	255,72	251,32	235,49	221,54	209,10	260,50	240,89	253,46	254,34	250,69
4,50	15,904	341,14	341,94	342,57	343,37	343,69	344,16	344,80	345,59	316,97	306,15	295,97	323,17	324,76	323,65	318,08	298,04	280,39	264,64	329,69	304,88	320,78	321,90	317,29
5,00	19,635	421,16	422,14	422,93	423,91	424,30	424,89	425,68	426,66	391,32	377,97	365,40	398,98	400,94	399,56	392,69	367,95	346,16	326,72	407,03	376,40	396,03	397,40	391,7
6,00	28,274	606,47	607,89	609,02	610,43	Of 611.00	611,85	612,98	614,39	563,50	544,27	526,18	574,52	577,35	575,37	565,48	529,85	498,47	470,48	586,12	542,01	570,28	572,26	564,06

ANNEX 2 (informative). THE ELECTRICAL RESISTANCE OF THE SOFT WIRE OF PLATINUM AND ITS ALLOYS

ANNEX 2
Reference

	Electrical resistance of 1 m wire Ohms, from grades
Wire diameter, mm	PL	PLI-5; Plpd-10; Plpdrd-4−3,5; Plrd-30	PLI- 10	PLI- 15	PLI- 17,5	PLI- 20	PLI- 25	PLI- 30	Plpd-15; PLN-4,5	Plpd- 20	Plrd-7; Plrd-7,5; Plrd-40	Plrd-10; Plrd-20	PLM-2,5	PLM-8,5	Plru-8	Plru-10
0,10	14,01	Of 24.19	30,55	36,92	39,47	40,74	From 42.01	43,28	28,01	31,83	22,92	Of 25.46	38,19	71,29	48,38	52,20
0,11	Of 11.57	19,99	25,26	30,52	32,62	Of 33.68	34,73	35,78	23,15	26,31	Of 18.94	21,05	31,57	58,93	39,99	43,15
0,12	9,73	16,80	21,22	25,64	27,41	28,29	29,18	30,06	19,45	22,10	15,92	17,68	26,53	49,51	33,60	A 36.25
0,14	7,15	12,34	Of 15.59	18,84	20,14	20,79	21,44	Of 22.09	14,29	16,24	11,69	12,99	19,49	36,38	24,69	Of 26.64
0,15	6,22	10,75	13,58	16,41	17,54	18,11	Is 18.68	Of 19.24	12,45	14,15	10,19	To 11.32	Of 16.98	31,69	21 and 51	23,20
0,16	5,47	9,45	11,94	14,42	For 15.42	15,92	16,41	16,91	10,94	12,43	8,95	9,95	14,92	Of 27.85	18,90	20, and 39
0,18	4,32	Of 7.47	9,43	11,40	12,18	12,57	Of 12.97	13,36	8,65	Of 9.82	Of 7.07	7,86	11,79	22,01	14,93	16,11
0,20	3,50	6,05	7,64	Of 9.23	9,87	10,19	10,50	10,82	7,00	7,96	5,73	6,37	Of 9.55	17,83	12,10	Of 13.05
0,22	2,89	5,00	6,31	7,63	8,16	Of 8.42	Of 8.68	Of 8.94	5,79	Of 6.58	4,74	5,26	7,89	14,73	10,00	10,79
0,25	2,24	3,87	4,89	5,91	6,32	Of 6.52	6,72	6,93	4,48	5,09	3,67	4,07	6,11	11,41	7,74	8,35
0,28	1,79	3,09	3,90	4,71	5,03	5,20	5,36	5,52	3,57	4,06	Of 2.92	3,25	4,87	9,09	6,17	Of 6.66
0,30	1,56	2,69	3,40	4,10	4,39	A 4.53	The 4.67	4,81	3,11	3,54	2,55	Of 2.83	4,24	7,92	5,38	5,80
0,32	1,37	2,36	Of 2.98	3,61	3,85	Of 3.98	4,10	Of 4.23	Of 2.74	3,11	2,24	2,49	3,73	Of 6.96	4,73	5,10
0,36	Of 1.08	1,87	2,36	2,85	3,05	3,14	3,24	3,34	Of 2.16	2,46	1,77	1,96	2,95	5,50	3,73	Of 4.03
0,40	0,88	Of 1.51	Of 1.91	2,31	2,47	2,55	2,63	Of 2.71	1,75	1,99	1,43	1,59	2,39	4,46	3,02	3,26
0,45	0,692	1,195	1,509	1,823	1,949	2,012	2,075	2,138	1,383	1,572	1,132	1,258	1,886	3,521	2,389	2,578
0,50	0,560	0,968	1,222	1,477	1,579	1,630	1,681	1,732	1,120	1,273	0,917	1,019	1,528	2,852	1,935	2,088
0,56	0,447	0,771	0,974	1,177	1,259	1,299	1,340	1,380	0,893	1,015	0,731	0,812	1,218	2,274	1,543	1,665
0,60	0,389	0,672	0,849	1,026	1,096	1,132	1,167	1,203	0,778	0,884	0,637	0,707	1,061	1,981	1,344	1,450
0,63	0,353	0,610	0,770	0,930	0,994	1,027	1,059	1,091	0,706	0,802	0,577	0,642	0,962	1,726	1,219	1,315
0,70	0,286	0,494	0,624	0,754	AZN 0.806	0,832	0,858	0,883	0,572	0,650	0,468	0,520	0,780	1,455	0,987	1,065
0,80	Of 0.219	0,378	0,477	0,577	0,617	0,637	0,657	0,676	0,438	0,497	0,358	0,398	0,597	1,114	0,756	0,816
0,90	0,173	0,299	0,377	0,456	0,487	0,503	0,519	0,534	0,346	0,393	0,283	0,314	0,472	0,880	0,597	0,644
Of 1.00	0,140	0,242	0,306	0,369	0,395	0,407	0,420	0,433	0,280	0,318	0,229	0,255	0,382	0,713	0,484	0,522
1,10	0,116	0,200	0,253	0.305 per	0,326	0,337	0,347	0,358	0,232	Of 0.263	0,189	0,210	0,316	0,589	0,400	0,431
1,20	0,097	0,168	Of 0.212	0,256	0,274	0,283	0,292	Had 0.301	0,195	0,221	0,159	0,177	0,265	0,495	0,336	Of 0.363
1,50	0,062	0,108	1,136	0,164	0,175	Of 0, 181	0,187	0,192	0,124	0,141	Is 0.102	0,113	0,170	0,317	0,215	0,232
1,60	0,055	0,095	0,119	0,144	0,154	0,159	0,164	0,169	0,109	0,124	0,090	0,099	0,149	0,279	0,189	0,204
1,80	0,043	0,075	0,094	0,114	0,122	0,126	0,130	0,134	0,086	0,098	0,071	0,079	0,118	0,220	0,149	0,161
Of 2.00	0,035	0,060	0,076	0,092	0,099	Is 0.102	0,105	0,108	0,070	0,080	0,057	0,064	0,095	0,178	0,121	0,131
2,20	0,029	0,050	0,063	0,076	0,082	0,084	0,087	0,089	0,058	0,066	0,047	0,053	0,079	0,147	0,100	0,108
2,50	0,022	0,039	0,049	0,059	0,063	0,065	0,067	To 0.069	0,045	0,051	0,037	0,041	0,061	0,114	0,077	0,084
2,80	0,018	0,031	0,039	0,047	0,050	0,052	0,054	0,055	0,036	0,041	0,029	0,032	0,049	0,091	0,062	0,067
Of 3.00	0,016	0,027	0,034	0,041	0,044	0,045	0,047	0,048	0,031	0,035	0,025	0,028	0,042	0,079	0,054	0,058
3,20	0,014	0,024	0,030	0,036	0,039	0,040	0,041	0,042	0,027	0,031	0,022	0,025	0,037	0,070	0,047	0,051
3,60	0,011	0,019	0,024	0,028	0,030	0,031	0,032	0,033	0,022	0,025	0,018	0,020	0,029	0,055	0,037	0,040
Of 4.00	0,0088	0,0151	0,0191	0,0231	0,0247	0,0255	0,0263	0,0271	0,0175	0,0199	0,0143	0,0159	0,0239	0,0446	0,0302	0,0326
4,50	0,0069	0,0119	0,0151	0,0182	0,0195	0,0201	0,0207	To 0, 0214	0,0138	0,0157	0,0113	0,0126	0,0189	0,0352	0,0239	0,0258
5,00	0,0056	0,0097	0,0122	0,0148	0,0158	0,0163	0,0168	0,0173	0,0112	0,0127	0,0092	0,0102	0,0153	0,0285	0,0194	0,0209
6,00	0,0039	0,0067	0,0085	0,0103	0,0110	0,0113	0,0117	0,0120	0,0078	0,0088	0,0064	0,0071	0,0106	0,0198	0,0134	0,0145

APPENDIX 3 (reference). THE PHYSICAL PROPERTIES OF THE WIRE MADE OF PLATINUM AND ITS ALLOYS

APPENDIX 3
Reference

Grade	Rupture strength, kgf/mm, wire		Electrical resistivity, Ohm·mm/m	Temperature coefficient of electrical resistance (TCAS) ·10
	soft	solid
PL of 99.93 99.8 per	12−20	35−70	0,11	3,9
PLI-5	20−30	45−75	0,19	1,9
PLI-10	30−40	55−85	0,24	1,3
PLI-15	45−65	85−115	0,29	1,0
PLI-17,5	60−70	90−115	0,31	0,9
PLI-20	60−75	95−115	0,32	0,9
PLI-25	70−85	100−125	0,33	0,8
PLI-30	90−110	120−150	0,34	0,7
Plpd-10	15−25	30−45	0,19	1,8
Plpd-15	15−25	30−45	0,22	1,5
Plpd-20	20−30	35−50	0,25	1,3
Plpdrd-4−3,5	25−35	50−75	0,19	1,9
Plrd-7	30−40	55−75	0,18	1,9
Plrd-7,5	30−40	55−75	0,18	1,8
Plrd-10	30−40	55−75	0,20	1,7
Plrd-20	40−50	80−100	0,20	1,4
Plrd-30	45−60	80−110	0,19	1,3
Plrd-40	55−65	100−130	0,18	1,4
PLM-2,5	40−55	60−90	0,30	1,0
PLM-3,5	50−65	90−130	0,56	0,4
PLN-4,5	50−65	90−130	0,22	2,1
Plru-8	60−70	90−130	0,38	0,6
Plru-10	60−70	100−150	0,41	0,5

Notes:

1. Electrical resistivity and TCAS (average value) is determined on the wire in soft (annealed) state.

2. Rupture strength and electrical resistivity are determined by wire diameter from 0.2 to 0.5 mm.