GOST 21930-76

GOST R ISO 5832-2-2014 GOST R ISO 5832-3-2014 GOST R ISO 5832-11-2014 STATE STANDARD P 53777-2010 STATE STANDARD P 52802-2007 GOST 12341-81 GOST 21931-76 GOST 6902-75 GOST 21930-76 GOST 19658-81 GOST 23137-78 GOST 2169-69 GOST 19738-74 GOST 13498-79 GOST 30649-99 GOST P 52245-2004 GOST P 52244-2004

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ГОСТ 21930-76

GOST 21930−76 Solders tin-lead ingots. Specifications (with Amendments No. 1, 2, 3, 4)

GOST 21930−76
Group W51

INTERSTATE STANDARD

SOLDERS TIN-LEAD INGOTS

Specifications

Tin-lead solders in pigs. Specifications.

GST 17 2300*
_________________
* See notes of FGUP «STANDARTINFORM».

Date of introduction 1978−01−01

INFORMATION DATA*

_________________
* See notes of FGUP «STANDARTINFORM».

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

DEVELOPERS

V. A. Arsenico; Z. Y. Kamenetsky, A. I. Dautova

2. APPROVED AND promulgated by the Decree of the State Committee of standards of Ministerial Council of the USSR from 16.06.76 N 1448

CHANGE 4 N GOST 21930−76 Taken by the Interstate Council for standardization, Metrology and certification (Protocol No. 6 dated 21.10.94)

The adoption voted:

The name of the state	The name of the national standardization body
The Republic Of Azerbaijan	Azgosstandart
The Republic Of Armenia	Armastajad
The Republic Of Belarus	Gosstandart Of Belarus
Georgia	Gosstandart
The Republic Of Kazakhstan	Gosstandart Of The Republic Of Kazakhstan
Kyrgyz Republic	Kyrgyzstandart
The Republic Of Moldova	Moldovastandart
Russian Federation	Gosstandart Of Russia
The Republic Of Uzbekistan	Standards
Ukraine	Gosstandart Of Ukraine

3. REPLACE GOST 1499−70 in part.

4. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS

The designation of the reference document referenced	Item number
GOST 1429.0−77 — GOST 1429.15−77	4.4
GOST 2991−85	5.1 and
GOST 3560−73	5.1 and
GOST 6613−86	4.3
GOST 10354−82	5.1 and
GOST 14192−96	5.2
GOST 18477−79	5.1 and
GOST 21140−88	5.1 and
GOST 21399−75	5.1 and
GOST 21650−76	5.1 and
GOST 24231−80	4.2
GOST 26645−85	2.2

5. Limitation of actions taken by Protocol No. 2−92 of the Interstate Council for standardization, Metrology and certification (ICS 2−93)

6. REPRINT (October 1997) with Amendments No. 1, 2, 3, 4, approved in December 1982, June 1987, July 1990-March 1995 (IUS 3−83, 9−87, 10−90, 6−95)

The re-release (as of July 2008)

This standard applies to tin-lead solders in ingots used for tinning and soldering of parts.

(Changed edition, Rev. N 1, 2, 3).

1. BRAND

1.1. Depending on the chemical composition of tin-lead solders are manufactured in the following grades:

antimony free, POS 90, 63 POS, POS 61, POS 40, POS 30, POS 10, POS 61M, 50−18 POSK, POSK 2−18;

measurementtype — Piss 61−0,5, Posse 50−0,5, Posse 40−0,5, Posse 35−0,5, Posse 30−0,5, Posse 25−0,5, Poss 18−0,5;

antimony — MSRP 95−5, 40−2 Piss, Piss 35−2, 30−2 Piss, Piss 25−2, 18−2 Piss, Piss 15−2, 10−2 Piss, Piss 8−3; 5−1 Piss, Piss 4−6, Piss 4−4.

Examples of symbols:

Solders in ingots of mark PIC 40:

The solder H POS 40 GOST 21930−76

The same brand will Poss 18−0,5:

The solder H will Poss 18−0,5 GOST 21930−76

(Changed edition, Rev. N 3, 4).

Brand solder	OKP code	Mass fraction, %
the main components						impurity, not more than
Tin	Antimony	Cadmium	Copper		Lead	Antimony	Copper	Bismuth	Arsenic	Iron	Nickel	Sulfur	Zinc	Alu- mini	Lead
Antimony free
PIC 90	17 2311 1100 04	89−91	-	-	-	The rest Noah		0,10	0,05	0,1	0,01
PIC 63	17 2312 0100	62,5−63,5	-	-	-	The same		0,05	0,05	0,1	0,02	0,02	0,02	0,02	0,002	0,002	-
POS 61	17 2312 1100 10	59−61	-	-	-	«		0,10	0,05	0,2	0,02
PIC 40	17 2314 1100 00	39−41	-	-	-	«		0,10	0,05	0,02
PIC 30	17 2321 1100 09	29−31	-	-	-	«		0,10	0,05	0,02
PIC 10	17 2326 1100 06	9−10	-	-	-	«		0,10	0,05	0,02	0,02	0,02	0,02	0,002	0,002	-
POS 61M	17 2312 1200 07	59−61	-	-	1,2−2,0	«		0,20	-	0,01
SINCE 50−18	17 2313 1200 02	49−51	-	17−19	-	«		0,20	0,08	0,03
UPDATE 2−18	17 2343 1100 09	1,8−2,3	-	17,5−18,5	-	«		0,05	0,05	0,01
Measurementtype
Piss 61−0,5	17 2312 1400 01	59−61	0,05−0,5	-	-	The rest Noah		-	0,05	0,2	0,02	0,02	0,02	0,02	0,002	0,002	-
Piss 50−0,5	17 2313 1100 05	49−51	-	-	The same		0,05	0,1	0,02
Piss 40−0,5	2314 17 1200 08	39−41	-	-	«		0,05	0,2	0,02
Piss 35−0,5	17 2315 1200 03	34−36	-	-	«		0,05	0,02
Piss 30−0,5	17 2321 06 1200	29−31	-	-	«		0,05	0,02
Piss 25−0,5	17 2322 1200 01	24−26	-	-	«		0,05	0,02
Will POSs 18−0,5	17 2323 1100 10	17−18	-	-	«		0,05	0,02
Antimony
MSRP 95−5	17 2311 1200 01	The rest	4,0−5,0	-	-	-	0,05	0,1	0,04	0,02	0,02	0,02	0,002	0,002	0,07
Piss 40−2	17 2314 1300 05	39−41	1,5−2,0	-	The rest Noah	0,08	0,2	0,02	0,08	-
Piss 35−2	17 2315 1300 00	34−36	1,5−2,0	-	The same	0,08	0,02
Piss 30−2	17 2321 1300 03	29−31	1,5−2,0	-	«	0,08	0,02
Piss 25−2	17 2322 1300 09	24−26	1,5−2,0	-	«	0,08	0,02
Piss 18−2	17 2323 1200 07	17−18	1,5−2,0	-	«	0,08	0,02
Piss 15−2	17 2324 1100 05	14−15	1,5−2,0	-	«	0,08	0,02
Piss 10−2	17 2326 1200 03	9−10	1,5−2,0	-	«	0,08	0,02
Piss 8−3	17 2326 1300 00	7−8	2.0 to 3.0	-	«	0,1	0,05
Posse 5−1	17 2327 1100 01	4−5	0,5−1,0	-	«	0,08	0,02
Piss 4−6	17 2327 1200 09	3−4	5,0−6,0	-	«	0,1	0,05
Piss 4−4	17 2327 1300 06	3−4	For 3.0−4.0	-	«	0,1	0,05

Notes:

1. At the customer’s request mass fraction of arsenic in the antimony free solders brands, POS 61, POS 40 POS 30 shall be not more than 0.01%.

2. In antimony solders brands 40−2 Piss, Piss and Piss 30−2 18−2, used in the automotive industry, is allowed the mass fraction of copper of up to 0.1% arsenic, up to 0.05 percent.

3. The content of impurities of iron, sulfur, Nickel, zinc, aluminium provided by manufacturing technology.

(Changed edition, Rev. N 3, 4).

2. TECHNICAL REQUIREMENTS

2.1. Solders tin-lead ingots are made in accordance with the requirements of this standard technological instruction, duly approved.

The chemical composition of the alloys shall conform to the requirements of the table.

(Changed edition, Rev. N 1, 2).

2.2. Form ingots of alloys of all grades is given in Annex 3. The size of pigs, listed in Annex 3 provided for the design and manufacturing of molds.

Permissible deviations on dimensions of the mould must correspond to the 13 class of accuracy according to GOST 26645.

(Changed edition, Rev. N 4).

2.3 Surface pigs should not have slag and other foreign inclusions. Allowed the presence of the shrinkage cavities and cracks.

(Changed edition, Rev. N 2).

2.4. Physico-mechanical properties of solders is given in Appendix 1.

2.5. The field of preferential application of solders is given in Appendix 2.

Sec. 2A (Deleted, Rev. N 3).

3. ACCEPTANCE RULES

3.1. Solders take parties. Each batch shall consist of ingots of one brand and one bathing suit. The weight of the batch is not limited.

Each batch of ingots is accompanied by a document about quality that contains:

trademark or the name and trademark of manufacturer;

the symbol of the solder;

the results of chemical analysis or conformance quality of the solder to the requirements of this standard;

batch number;

the net weight in kilograms;

the date of manufacture.

(Changed edition, Rev. N 1, 2, 3).

3.2. Visual inspection is subjected to each pig of the party.

3.3. To control the chemical composition of the solders of the party are selected every fiftieth pig, but at least five pigs.

On the manufacturer allowed the verification of the chemical composition carried out on the sample taken from the molten metal at the beginning, middle and end of the spill bottoms.

Control the content of impurities of iron, sulfur, Nickel, zinc and aluminium in solders of all brands the manufacturer spends in the manufacturing process.

(Changed edition, Rev. N 1, 2, 3).

3.4. If unsatisfactory validation results of the chemical composition, a second test of the doubled sample taken from the same batch.

The results of repeated tests apply to the entire party.

4. TEST METHODS

4.1. Control of the surface of ingots produced by visual inspection.

4.2. Sampling — according to GOST 24231. Shavings, taken from all pigs, crushed to particle size of not more than 5 mm without control sifting, mix thoroughly and reduce kvantovanie to laboratory samples weighing 200 g

The laboratory sample is melted in a crucible and pound on the belting to a particle size of not more than 2 mm, mixed and treated with a magnet. The laboratory sample is divided into two parts: one part is sent for chemical analysis, a different save in case of differences in the assessment of the quality of the party.

Samples from liquid metal taken in the form splenic and rods of diameter 8 mm, length 75 mm.

(Changed edition, Rev. N 1, 2, 3, 4).

4.3. Shavings of solders containing over 2.5% antimony, sifted through mesh No. 08 according to GOST 6613 to determine the fine fraction. The result of the analysis of take estimates of the results of the analysis of both factions.

(Changed edition, Rev. N 1, 2).

4.4. The chemical composition of the solders is determined according to GOST 1429.0 — GOST 1429.15 or other methods providing the required accuracy.

The differences in the evaluation of the chemical composition of solders determination is carried out according to GOST 1429.0 — GOST 1429.11.

(Changed edition, Rev. N 2).

5. MARKING, PACKAGING, TRANSPORTATION AND STORAGE

5.1. Each pig solder emboss:

a) trademark of the manufacturer;

b) the designation of the brand of solder;

C) the number of trunks.

Marking brand of solder is applied to the front surface of the left side of the figures corresponding to the percentage content of the main components without specifying lettering PIC Piss, MSRP, SINCE. The room bottoms out on the right side of the front surface pig.

Examples of application indicate the brand of solder:

Solders brand PIC 90: 90.

Solders brand POS 61M: 61M.

(Changed edition, Rev. N 2, 3).

5.1. Pig of solders transporterowych without packaging transport packages or containers according to GOST 18477. Packs of pigs must be bound with a steel packing tape not less than 0. 8x30 mm according to GOST 3560, fastened to the castle. Allowed to use other means of fastening to ensure the safety of the package according to GOST 21650. Weight of package is not more than 1250 kg. may increase the package up to 1,500 kg, provided that the loading and unloading on access roads of the consignor and the consignee, while the floor of the car in the course of the forklift must systematise metal sheets with a thickness of 3−4 mm.

Laying schemes and bonds of the pigs of solders in packages is given in Annex 4.

When air transport ingots are Packed in tight wooden boxes of the type II-1 according to GOST 2991, dimensions according to GOST 21140, lined the inside with polyethylene film according to GOST 10354. Gross weight of boxes — not more than 60 kg.

(Changed the wording. Izm. N 1, 2, 3, 4).

5.2. Transport marking under GOST 14192.

5.3. Pig of solders are transported by all kinds of transport in covered vehicles in accordance with the rules of cargo transportation applicable to transportation of this species.

5.2, 5.3. (Changed edition, Rev. N 1).

5.4. The solder should be kept indoors.

Sec. 6 (Deleted, Rev. N 1).

ANNEX 1 (reference). PHYSICO-MECHANICAL PROPERTIES OF SOLDERS

ANNEX 1
Reference

Brand solder	Melting point, °C		The raft- ness, g/cm	Specific electrode- vs- of Ohm·mm/m	Halopro- the water content, kcal/ cm·s·deg	Times ing company of tavlenie tear, kgf/mm	Take tional elongation, %	Impact strength, kgf/cm	Solid the pride of BRI- Nelly, HB
Solidus	The liquidus
PIC 90	183	220	7,6	0,120	0,130	4,9	40	4,2	15,4
POS 61	183	190	8,5	0,139	0,120	4,3	46	3,9	14,0
PIC 40	183	238	9,3	0,159	0,100	3,8	52	4,0	12,5
PIC 10	268	299	10,8	0,200	0,084	3,2	44	3,2	12,5
POS 61M	183	192	8,5	0,143	0,117	4,5	40	1,1	14,9
SINCE 50−18	142	145	8,8	0,133	0,130	4,0	40	4,9	14,0
Piss 61−0,5	183	189	8,5	0,140	0,120	4,5	35	3.7 V	13,5
Piss 50−0,5	183	216	8,9	0,149	0,112	3,8	62	4,4	13,2
Piss 40−0,5	183	235	9,3	0,169	0,100	4,0	50	4,0	13,0
Piss 35−0,5	183	245	9,5	And 0.172	0,100	3,8	47	3,9	13,3
Piss 30−0,5	183	255	8,7	0,179	0,090	3,6	45	3,9	13,2
Piss 25−0,5	183	266	10,0	0,182	0,090	3,6	45	3,9	13,6
Will POSs 18−0,5	183	277	10,2	0,198	0,084	3,6	50	3,6	-
MSRP 95−5	234	240	7,3	0,145	0,110	4,0	46	5,5	18,0
Piss 40−2	185	229	9,2	And 0.172	0,100	4,3	48	2,8	14,2
Piss 35−2	185	243	9,4	0,179	0,090	4,0	40	2,6	-
Piss 30−2	185	250	9,6	0,182	0,090	4,0	40	2,5	-
Piss 25−2	185	260	9,8	0,185	0,090	3,8	35	2,4	-
Piss 18−2	186	270	The 10.1	0,206	0,081	3,6	35	1,9	11,7
Piss 15−2	184	275	10,3	0,208	0,080	3,6	35	1,9	12,0
Piss 10−2	268	285	10,7	0,208	0,080	3,5	30	1,9	10,8
Piss 8−3	240	290	10,5	0,207	0,081	4,0	43	1,7	12,8
Posse 5−1	275	308	11,2	0,200	0,084	3,3	40	2,8	10,7
Piss 4−6	244	270	10,7	0,208	0,080	6,5	15	0,8	17,3

APPENDIX 2 (recommended). THE FIELD OF PREFERENTIAL APPLICATION OF TIN-LEAD SOLDERS

ANNEX 2
Recommended

Brand solder	Scope
PIC 90	For tinning and soldering of the inner seams of food utensils and medical equipment
PIC 63	Group soldering PCB, soldering on automated lines, wave solder, immersion pulling
POS 61	For tinning and soldering of electrical and radio equipment, printed circuits, precision instruments with vysokoaromatichnyj seams where overheating
PIC 40	For tinning and soldering of electrical equipment, parts of galvanized iron with sealed seams
PIC 10	For tinning and soldering of the contact surfaces of electrical apparatus, instruments, relays, fill and tinning of the control tubes of furnaces of locomotives
POS 61M	For tinning and soldering electrosolderers thin (thickness less than 0.2 mm) copper wires, foil, printed conductors in the cable, the electrical and electronic industry. The use of solder for tinning and soldering in the crucible and the bath is not allowed.
SINCE 50−18	For soldering of parts sensitive to overheating, metalized ceramics, for step soldering capacitors
Piss 61−0,5	For tinning and soldering of electrical equipment, soldering printed circuit boards, windings for electrical machines, galvanized electronic components with strict requirements to temperature
Piss 50−0,5	For tinning and soldering of aircraft radiators, soldering, food dishes, followed by tinned food with tin
Piss 40−0,5	For tinning and soldering of sheet metal, windings for electrical machines, soldering the mounting elements, the coil and cable products, radiator tubes, galvanized parts refrigeration
Piss 35−0,5	For tinning and soldering of lead cable sheaths electrical products non-critical purposes, sheet packing
Piss 30−0,5	For tinning and soldering of sheet zinc, radiators
Piss 25−0,5	For tinning and soldering of radiators
Will POSs 18−0,5	For tinning and soldering of the tubes of heat exchangers, light bulbs
MSRP 95−5	For brazing in the electrical industry, soldering of pipelines operating at elevated temperatures
Piss 40−2	For tinning and soldering of refrigerating equipment, sheet packing. Solder General-purpose
Piss 30−2	For tinning and soldering of refrigerating apparatus building, electric manufacturing, motor industry, for abrasive soldering
Piss 18−2, Piss 15−2, Piss 10−2	For brazing in the automotive industry
Piss 8−3	For tinning and soldering in the electrical trade
Posse 5−1	For tinning and soldering of components operating at elevated temperatures, for tinning, tubular radiators
Piss 4−6	For soldering tinplate, tinning and soldering of parts with the rolled-up and riveted seams of brass and copper, for putty car body
Piss 4−4	For tinning and soldering in the automotive industry
POSK-2−18	For tinning and soldering of metallic and ceramic parts

Note. Measurementtype solders are recommended for soldering zinc and galvanized parts.

(Changed edition, Rev. N 4).