GOST 1049-2015

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  ГОСТ 1049-2015

GOST 1049−2015 Wire made of manganese Nickel. Specifications

GOST 1049−2015

INTERSTATE STANDARD

WIRE MANGANESE NICKEL

Specifications

Manganese nickel wire. Specifications

ISS 77.150.40

Date of introduction 2016−04−01

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 Technical Committee for standardization TC 106 „Tsvetmetprokat“, Scientific-research, project and design Institute for alloys and processing of nonferrous metals „joint-stock company „Institute tsvetmetobrabotka“ (JSC „Institute tsvetmetobrabotka“)

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

3 ACCEPTED by the Interstate Council for standardization, Metrology and certification (Protocol dated may 29, 2015 N 77-P)

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	Ministry Of Economy Of The Republic Of Armenia
Belarus	BY	Gosstandart Of The Republic Of Belarus
Kazakhstan	KZ	Gosstandart Of The Republic Of Kazakhstan
Kyrgyzstan	KG	Kyrgyzstandard
Russia	EN	Rosstandart
Tajikistan	TJ	Tajikstandart

4 by Order of the Federal Agency for technical regulation and Metrology dated 2 October 2015 N 1435-St inter-state standard GOST 1049−2015 introduced as a national standard of the Russian Federation from April 1, 2016.

5 REPLACE GOST 1049−74

6 REISSUE. March 2016


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 wire manganese Nickel of circular cross section used in electrical, instrumentation, vacuum and other industries.

The standard specifies the dimensions, technical requirements, acceptance rules, methods of control and testing, packaging, labeling, transportation and storage of the wire.

2 Normative references

This standard uses the regulatory references to the following international standards:

GOST 492−2006 Nickel, Nickel alloys, and copper-Nickel, processed by pressure. Brand

GOST 1579−93 (ISO 7801−84) Wire. Test method for bend

GOST 2991−85 wooden disposable Boxes for loads up to 500 kg. General specifications

The Wire GOST 3282−74 General purpose low carbon steel. Specifications

GOST 3560−73 package steel Strip. Specifications

GOST 4381−87 Micrometers lever. General specifications

GOST 6507−90 Micrometers. Specifications

GOST 6689.1−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of copper

GOST 6689.5−92 Nickel, alloys Nickel and copper-Nickel. Methods of iron determination

GOST 6689.6−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of manganese

GOST 6689.7−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of silicon

GOST 6689.10−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of carbon

GOST 7229−76 Cables, wires and cords. Method of determination of electrical resistance of conductors and conductors

GOST 8273−75 wrapping Paper. Specifications

GOST 8828−89 base Paper and paper double-layer waterproof packaging. Specifications

GOST 9078−84 flat Pallets. General specifications

GOST 9347−74 Cardboard gasket and gasket from him. Specifications

GOST 9557−87 flat wooden Pallet size 800x1200 mm. specifications

GOST 9569−2006 waxed Paper. Specifications

GOST 10446−80 (ISO 6892−84) Wire. Test method tensile

GOST 14192−96 Marking of cargo

GOST 15846−2002 Products that are sent to the far North regions and equated areas. Packing, marking, transportation and storage

GOST 17308−88 Twines. Specifications

GOST 18242−72 Statistical acceptance inspection by alternative feature. Plans control*

________________

* On the territory of the Russian Federation GOST R ISO 2859−1-2007"Statistical methods. Procedure sampling on alternative grounds. Part 1. Sampling plans consistent parties on the basis of an acceptable level of quality."


GOST 18321−73 Statistical quality control. Methods of random selection of piece products

GOST 20435−75 the universal metal closed Container of nominal gross mass 3,0 t specifications

GOST 21140−88 Tara. System sizes

GOST 22225−76 universal Containers with a gross weight 0,625 and 1,25 t. specifications

GOST 24047−80 Semi-finished products from nonferrous metals and their alloys. Sampling for tensile test

GOST 24231−80 non-ferrous metals and alloys. General requirements to selection and preparation of samples for chemical analysis

GOST 24597−81 the packaged goods. Basic parameters and dimensions

GOST 26663−85 transport Packs. Formation with the use of packaging. General technical requirements

ST SEV 543−77 Number. Record rules and rounding

Note — When using this standard appropriate to test the effect of reference standards in the information system of General use — on the official website of the Federal Agency for technical regulation and Metrology on the Internet or in the annual information index „National standards“ published as on January 1 of the current year, and the editions of the monthly information index „National standards“ for 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 wire: Prefabricated with a cross section of constant size, rolled into the Bay or wound into a coil, manufactured by rolling, pressing or drawing.

3.2 ovality (deviation from circular shape): Difference between the largest and smallest values of the diameters measured at one cross section perpendicular to the axis of the wire.

3.3 Bay: Cut product wound into a series of continuous turns right separatornyi rows, without sharp bends.

3.4 crack: a Defect of a surface, representing a rupture of the metal.

3.5 stratification: the discontinuity of metal, oriented along the direction of deformation.

3.6 risk: a Longitudinal indentations or protrusions on the surface of products of different length in the warp direction.

3.7 color tint: defect of a surface represents oxidized portions in the form of spots and stripes of various colors and shapes with smooth surface and formed as a result of a breach of the modes of heat treatment and etching.

3.8 prisoners of war: a Defect in the form of delamination, often azkabanu shape, elongated in direction of rolling, pressing or drawing, and United with the base metal on one side, formed due to the presence of tears, cracks, bubbles, and burnout or melting of the metal in the heating process.

3.9 scratch: the surface defects in the form of indentations of irregular shape and an arbitrary direction, the resulting mechanical damage, including during storage and transportation.

3.10 strain: Defect surface in the form of local non-through gaps located transversely or at an angle to the direction of rolling, pressing or drawing, formed as a result of disclosure of internal discontinuities of metal or of a violation of the modes of heat treatment and deformation.

4 Assortment

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

Table 1 — nominal diameters and tolerances for diameter

In millimeters

Nominal diameter	Limit deviation for wire precision manufacturing
high	normal
0,050	-0,002	-0,003
0,064
0,070
0,076
0,084
0,090
0,100	-0,003	-0,005
0,104
0,120
0,130
0,150
0,40	-0,025	-0,040
0,50
0,56
0,60
0,65	-0,030	-0,045
0,70
0,80
0,90
Of 1.00	-0,040	-0,060
1,20
1,50
1,60
Of 2.00
2,30
2,50
Of 3.00
4,0	-0,048	-0,080
5,0
Note the Theoretical weight of 1000 m of wire given in Annex A.

4.2 out-of-Roundness of the wire must not exceed the limit deviation for diameter.

4.3 Wire is delivered in Hanks, coils or on reels.

The legend of wire are placed according to the scheme:

Use the following abbreviations:
method of manufacture:	cold — D;
sectional shape:	round — CU;
precision manufacturing:	normal — N,
increased — P;
condition:	soft — M
solid — T;
form of delivery:	in rods, coils — BT,
on the coil — KT.

The sign „X“ is placed instead of the data that has more than one value except to indicate the length and special conditions.

Symbols are examples of wire:

Wire cold-drawn, round section, the normal precision of manufacture, soft, with a diameter of 1.00 mm, in coils, manganese Nickel brand Nmc5:

Wire DQMCM of 1.00 BT Nmc5 GOST 1049−2015

Wire cold-drawn, round section, high precision manufacturing, rigid, diameter 0.10 mm, on coils, manganese Nickel brand Nmc2,5:

Wire DCCT 0,10 CT Nmc2,5 GOST 1049−2015

5 Technical requirements

5.1 Wire produced in accordance with the requirements of this standard for technological regulations approved in the prescribed manner. Wire made of manganese Nickel grades Nmc2,5, and Nmc5 with the chemical composition according to GOST 492.

5.2 Wire diameter 0,05−0,15 mm are made in hard (unannealed) condition.

Wire diameter of 0.40 to 5.0 mm are made in the soft (annealed) and hard (unannealed) condition.

5.3 the surface of the wire must be smooth, clean, free from contamination, hindering its inspection, without strikes green hue, without cracks, shells, bundles.

On the surface allowed scratches, risks, slivers, a depth limit deviation for diameter. On the surface of a solid wire allowed traces of grease on the surface and soft wires — color of the tint and traces of chalk residue.

5.4 Mechanical properties of the wire in tension shall be as specified in table 2.

Table 2 — Mechanical properties of the wire

Wire diameter, mm	The condition of the material	Temporary resistance, MPa (kgf/mm)		Elongation after rupture , %, not less
for alloy grade
Nmc2,5	Nmc5	Nmc2,5	Nmc5
From 0.4 to 5.0	Soft	Not more than 640 (65)	Not more than 740 (75)	20	18
From 0.05 to 0.15	Solid	-	Not less than 980 (100)	-	-
From 0.4 to 5.0	Solid	Not less than 690 (70)	Not less than 740 (75)	-	-

5.5 Wire in the solid state must be able to withstand the test of bend without causing cracks, tears and bundles.

The number of bends shall be not less than specified in table 3.

Table 3

Wire diameter, mm	Diameter of cylinders, mm	The number of bends of wire
1,50	10	5
Of 2.00	10	3

The test bend is carried out at the request of the consumer.

5.6 electrical resistivity of the wire at 20 °C shall be those specified in table 4.

Table 4 — electrical resistivity

Grade	The condition of the material	Electrical resistivity Ohm·m·10
Nmc2,5	Soft	From 0.12 to 0.16
Solid	From 0.13 to 0.17
Nmc5	Soft and hard	From 0.17 to 0.22

5.7 Wire with a diameter of 0.05 to 0.15 mm produce length less than 500 m.

Weight of coils of wire with a diameter of from 0.5 to 5.0 mm are given in Appendix B.

5.8 Each coil or reel shall consist of one segment of wire with no splices, knots, and loops.

6 acceptance Rules

6.1 Wire take parties. The weight of the batch of wire with a diameter of 0.05 to 0.15 mm should be no more than 500 kg. the Weight of the batch of wire with a diameter of 0.4 to 5.0 mm should be not more than 1000 kg. the Party shall consist of wire of one brand of alloy, one state of the material, same diameter, same precision workmanship and must be accompanied by a document about quality that contains:

is the trademark or name and trademark of manufacturer;

— the name of the country of manufacture;

— legal address of the manufacturer and/or seller;

— designation of wire;

— the batch number;

— the net weight of the batch;

— number of places;

the results of the test.

6.2 To control the size and surface quality of wire used in single-stage normal sampling plan for the alternative characteristic in accordance with GOST 18242, with the acceptance level of defects is 2.5%.

The sampling plan given in table 5. Selection of wire in the sample is carried out „blindly“ (by the greatest objectivity) according to GOST 18321.

Table 5 — Number of monitored skeins

In pieces

The number of coils (coils) in the party	The number of controlled coils (coils)	Rejection number
6−50	5	1
51−150	20	2
151−280	32	3
281−500	50	4
501−1200	80	6
1201−3200	125	8
Note — If the lot size does not exceed five skeins (coils), carried out continuous control.

Party is considered valid if the number of coils (coils) with measurements that do not match the requirements of tables 1 and 5.3, less than the acceptance number given in table 5.

Allowed the manufacturer to carry out continuous control of surface quality and dimensions of the wire.

At the customer’s request quality control of the surface and the size of the wire is subjected to each coil (coil).

Allowed the manufacturer to control the quality of the surface and the size of wire in the production process.

6.3 To check the mechanical properties, the test wire tensile and bend and measure the electrical resistance of selected 3% skeins or coils, but not less than three coils or coils from the party.

6.4 To check the chemical composition of the selected two rolls (coils) of the party.

Allowed the manufacturer to test the chemical composition of the samples taken from the molten metal.

6.5 If unsatisfactory test results of at least one of the indicators (except for surface quality and size) it is carried out a re-test of the doubled sample taken from the same batch.

The results of repeated tests are final and apply to the entire party.

7 Methods of inspection and testing

7.1 Inspection of the wire surface is carried out without the use of magnifying devices.

7.2 To carry out all types of testing take one sample from both ends of a coil or one sample from the outer end of the coil.

7.3 determination of the diameter of the wire and its out-of-roundness is carried out in at least two places, in two mutually perpendicular directions of the same cross section of a micrometer according to GOST 4381, GOST 6507 or other devices that provide the necessary measurement accuracy.

Wire diameter of 0.05 to 0.15 mm inclusive, it is allowed to determine by weighing the segments of wire length 200 mm, weight of which is given in Annex B.

For test result take the average of the results of the three weighings.

If there is disagreement in the definition of diameter is measured by micrometer according to GOST 4381, GOST 6507.

7.4 For the tensile test from each selected coil or coils cut out of the same mold.

The selection and preparation of samples for tensile tests carried out according to GOST 24047. Test wire tensile is carried out according to GOST 10446 on samples with an estimated length of 100 mm.

7.5 Test wire on the bend is carried out according to GOST 1579.

The bending of the wire is carried around the mandrel with a diameter equal to the diameter of the wire, parallel to both ends of the specimen, the wire must not break.

7.6 electrical resistivity is determined according to GOST 7229 method which provides a resistance measurement with a precision of not lower than 0.01·10Ohm·m.

7.7 To determine the chemical composition of each selected coil or coils cut off one sample. Selection and preparation of samples for the determination of chemical composition is carried out according to GOST 24231.

The analysis of the chemical composition of the wire is carried out according to GOST 6689.1, GOST 6689.5-ГОСТ6689.7, GOST 6689.10. Allowed to carry out chemical analysis by other methods providing the required accuracy.

If there is disagreement in the assessment of the chemical composition wire analysis is carried out according to GOST 6689.1, GOST 6689.5−6689.7 GOST, GOST 6689.10.

7.8 the results of the measurements are rounded according to the rounding rules established ST SEV 543.

8 Packing, marking, transportation and storage

8.1 Wire diameter of 0.05 to 0.15 mm is wound on coil and wire diameters from 0.40 mm — roll in coils.

At the customer’s request is possible to supply a soft wire with a diameter of between 0.40 to 0.80 mm, inclusive, in coils.

8.2 the Wire shall be rolled into coils or wound on a reel smooth, tight, separatornyi rows, without sharp bends and should be easy to get out of control. Re-reeling is to eliminate the possibility of rotation of the wire around the coil core.

The coils of wire on a reel or coil must not stick together.

8.3 the wire Ends should be firmly fixed with the free finding the external end and the free unwinding of the wire.

8.4 Each coil or reel shall consist of one piece of wire without splices and knots.

8.5 Each skein must be tied with wires of diameter not less than 0.5 mm according to GOST 3282 in at least two places symmetrically around the circumference of the roll with the twisting of the ends of the wire at least three turns.

Coils of wire of the same diameter, one state and one brands of alloy tie at Bay.

Each coil shall be securely tied with wires of diameter not less than 1 mm Pogost 3282 in at least three places evenly around the circumference of the Bay with a strip of paper according to GOST 8273 in the field of dressing with twisting wire ends at least five turns.

8.6 For each coil, the Bay or coils, if it is not connected to the Bay, should be affixed label on it:

— trademark or name and trademark of manufacturer;

— the name of the country of manufacturer;

— the legend of the wire;

— batch number;

— stamp of technical control.

8.7 Solid wire of diameter less than 0.9 mm and soft wire 1.0 mm diameter and less shall be Packed in tight wooden boxes type I or type II according to GOST 2991 or technical documentation, vystlannyh a paper according to GOST 8273 or cardboard according to GOST 9347.

Dimensions of boxes — GOST 21140.

8.8 Coils or Bay wire with a diameter of more than 0.9 mm should be wrapped around the circumference of nonwoven material for technical documentation, or other types of packaging materials, with the exception of linen and cotton fabrics, ensuring the safety of products, and tied with wires of diameter not less than 0.5 mm according to GOST 3282 or synthetic twine according to GOST 17308 spiral, and the solid wire diameter 0.9−1.0 mm, inclusive, should be previously wrapped in paper according to GOST 8828.

The outer diameter of a coil or Bay must not exceed 1000 mm.

By agreement with the consumer allowed to use other boxes and other dressings and packing materials, strength is not inferior to the above and ensure quality safety of products.

Weight of cargo must not exceed 80 kg.

8.9 the package needs to be formed into transport packets in accordance with the requirements of GOST 24597 and GOST 26663, on pallets according to GOST 9078 and GOST 9557.

The formation of the packages from the bins can without pallets with the use of wooden bars of size not less than 50x50 mm.

The transport packages shall be sealed transversely and longitudinally with tying each row of packages wire diameter not less than 3.0 mm according to GOST 3282 with twisting wire ends at least five turns of tape dimensions not less than 0,3х30 mm according to GOST 3560, the bonding ends of the castle.

Weight of a transport package shall not exceed 1250 kg.

To ensure the stability of the packages when stacked on top of the download package must be installed shield or other device.

8.10 Coils or Bay wire with a diameter of more than 0.4 mm can be transported in universal containers according to GOST 20435 or GOST 22225 maximum use of their capacity or in box pallets according to GOST 9557, without packing in boxes, with each Bay or a coil of wire with a diameter of 1.0 mm and less should be wrapped around the circumference in the paper according to GOST 8828 or GOST 9569 and tied with wires of diameter not less than 0.5 mm according to GOST 3282 spiral.

Bay coils or wire diameter more than 1 mm can be transported in universal containers and closed box pallets without packaging in packaging materials.

During transportation in railway containers, bays, loops or coils of wire needs to be laid and strengthened in such a way as to prevent their movement in the container during transportation.

8.11 Packaging of products sent to the far North and remote areas — according to GOST 15846 in the group „Metals and metal products."

8.12 In each box or container must be attached to the packing slip, containing:

is the trademark or name and trademark of manufacturer;

— the name of the country of manufacture;

— designation of wire;

— the batch number;

— the net weight;

— gross mass;

the stamp of the technical control Department.

8.13 Transport marking under GOST 14192 with the application of manipulation sign „Protect from moisture“.

8.14 Wire transporterowych all types of transport in covered vehicles in accordance with cargo carriage regulations applicable to transport of this species. During transportation by railway transport — small and light shipments.

8.15 the Wire should be stored in covered premises. When storing and transporting the wire should be protected from mechanical damage, moisture and active chemical substances.

8.16 the consumer wire should be kept in stock in the manufacturer’s packaging for at least two days to equalize the temperature of the wire to the room temperature. After this period, the wire needs to be unpacked.

Under specified conditions of transportation and storage of consumer properties of the wire manganese Nickel do not change.

Annex a (informative). Diameters and theoretical weight of 1000 m of wire manganese Nickel

Appendix A
(reference)

Table A. 1 — Theoretical weight of 1000 m of wire

Nominal diameter of wire, mm	Theoretical weight of 1000 m of wire, kg of alloy grade
Nmc2,5	Nmc5
0,050	0,017554	0,017203
0,064	0,028750	0,028181
0,070	0,034405	0,033713
0,076	0,040556	0,039739
0,084	0,044937	0,044032
0,090	0,056874	0,055729
0,100	0,070215	0,068801
0,104	0,075944	0,074415
0,120	0,101109	0,099073
0,130	0,11866	0,11627
0,150	0,15798	0,15480
0,40	1,12332	1,10007
0,50	1,7554	1,72003
0,56	2,2019	2,1576
0,60	2,5277	2,4768
0,65	2,9666	2,9068
0,70	3,4405	3,3713
0,80	4,4937	4,4033
0,90	5,6874	5,5729
Of 1.00	7,0215	6,8801
1,20	10,1109	9,9073
1,50	15,798	15,480
1,60	17,975	17,613
Of 2.00	28,086	27,520
2,50	43,884	43,001
Of 3.00	63,193	61,921
Of 4.00	112,34	110,08
5,00	175,54	172,00
Note — When calculating the theoretical weight of 1000 m of wire density alloy grade Nmc2,5 is equal of 8.94 g/cm, brand Nmc5 — 8.76 g/cm.

Annex B (reference). Weight cut the coil wire length 200 mm

Appendix B
(reference)

Table B. 1 — Ground cut the coil wire

Nominal diameter of wire, mm	Permissible weight of segments, kg, wire brands
Nmc2,5	Nmc5	Nmc2,5	Nmc5
increased accuracy		normal accuracy
0,050	3,235−3,511	3,170−3,440	3,102−3,511	3,040−3,440
0,064	5,395−5,752	5,287−5,636	5,225−5,752	5,120−5,636
0,070	6,493−6,881	6,363−6,743	6,304−6,881	6,177−6,743
0,076	7,690−8,111	7,535−7,948	7,483−8,111	7,333−7,948
0,084	9,442−9,909	9,952*-9,709	9,214−9,909	9,028−9,709
0,090	10,875−11,375	10,656−11,146	10,629−11,375	10,415−11,146
0,100	18,213*-14,043	12,947−13,762	12,674−14,043	12,419−13,762
0,104	14,325−15,189	14,037−14,883	13,763−15,189	13,486−14,883
0,120	19,223−20,222	18,836−19,815	18,572−20,222	18,198−19,815
0,130	22,650−23,732	22,194−23,254	21,942−23,732	21,500−23,254
0,150	30,345−31,594	29,734−30,958	29,525−31,594	28,931−30,958

________________

* The text of the document matches the original. — Note the manufacturer’s database.

Annex b (mandatory). Weight cut coil wire diameter from 0.4 mm to 5.0 mm

The App
(required)

Table V. 1 — Mass cut the coil wire

Wire diameter, mm					Cut the roll weight, kg, not less
normal	reduced
From	0,40	to	Of 1.00	incl.	1,0	0,5
SV.	Of 1.00	“	1,50	“	2,0	1,0
»	1,50	"	Of 3.00	"	3,0	1,0
"	Of 3.00	"	5,00	"	5,0	2,0
Note — the Number of coils of wire of low mass should not exceed 5% of the batch weight.