GOST 1525-2015

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  ГОСТ 1525-2015

GOST 1525−2015 Rods of Monel. Specifications

GOST 1525−2015

INTERSTATE STANDARD

BARS AND RODS, OF ALLOY MONEL

Specifications

Rods of monel. 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 on 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
Kyrgyzstan	KG	Kyrgyzstandard
Kazakhstan	KZ	Gosstandart Of The Republic Of Kazakhstan
Tajikistan	TJ	Tajikstandart
Russia	EN	Rosstandart
Ukraine	UA	The Ministry Of Economic Development Of Ukraine

4 by Order of the Federal Agency for technical regulation and Metrology dated 2 October 2015 N 1436-St inter-state standard GOST 1525−2015 introduced as a national standard of the Russian Federation from April 1, 2016.

5 REPLACE GOST 1525−91


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 rods Nickel alloy Monel round section drawn and hot rolled, used in a variety of industries.

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

2 Normative references

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

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

GOST 427−75 Rulers measuring metal. Specifications

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

GOST 701−89 nitric Acid is concentrated. Specifications

GOST 1497−84 (ISO 6892−84) Metals. Test methods tensile

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

GOST 3560−73 package steel Strip. Specifications

GOST 6507−90 Micrometers. Specifications

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

GOST 6689.2−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of Nickel

GOST 6689.3−92 Nickel, alloys Nickel and copper-Nickel. The method of determining the amount of Nickel and cobalt

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 6689.11−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of tungsten

GOST 6689.12−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of magnesium

GOST 6689.13−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of arsenic

GOST 6689.14−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of chromium

GOST 6689.15−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of antimony

GOST 6689.16−92 Nickel, alloys Nickel and copper-Nickel. Methods for the determination of zinc, cadmium, lead, bismuth and tin

GOST 6689.17−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of bismuth

GOST 6689.18−92 Nickel, alloys Nickel and copper-Nickel. Methods of determining sulphur

GOST 6689.19−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of phosphorus

GOST 7502−98 metallic measuring tape. Specifications

GOST 8026−92 Line calibration. Specifications

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

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

_________________

In 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 21650−76 means of fastening of package cargoes in transport packages. General requirements

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 26653−90 Preparation of General cargoes for transportation. General requirements

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

GOST 26877−2008 metal Products. Methods of measuring form deviations of

GOST 32597−2013 Copper and copper alloys. Types of defects of billets and semi-finished

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 terminology according to GOST 32597, as well as the following terms with respective definitions:

3.1 rod: a Solid product of uniform cross section throughout its length, in the form of a circle, square, regular polygons, supplied in straight lengths or rolled in the Bay.

3.2 measuring length: the Product of a certain length, specified in the order, straight leg, or in the Bay.

3.3 times the length: the Period of integral multiple of the number of core length with an allowance for cutting and a tolerance on the overall length.

4 Assortment

4.1 nominal diameter drawn bar and limit deviations of the diameter must match the values specified in table 1.


Table 1 — nominal diameter drawn bar and limit deviations of the diameter

Nominal diameter, mm	Tolerance on nominal diameter of bars, mm			The cross-sectional area, mm	The calculated value of linear density, kg/m
High precision	Increased accuracy	Normal accuracy
5,0	-0,05	-0,08	-0,16	19,6	0,17
5,5	-0,05	-0,05	-0,16	23,8	0,21
6,0	-0,05	-0,05	-0,16	28,3	0,25
7,0	-0,05	-0,10	-0,20	38,5	0,34
8,0	-0,06	-0,10	-0,20	50,3	0,45
9,0	-0,06	-0,10	-0,20	63,6	0,57
10,0	-0,06	-0,10	-0,20	78,5	0,70
11,0	-0,07	-0,12	-0,24	95,0	0,85
12,0	-0,07	-0,12	-0,24	113,1	1,01
14,0	-0,07	-0,12	-0,24	153,9	1,37
16,0	-0,07	-0,12	-0,24	201,0	1,79
18,0	-0,07	-0,12	-0,24	254,3	2,26
20,0	-0,08	-0,14	-0,28	314,0	2,80
22,0	-0,08	-0,14	-0,28	380,0	3,38
25,0	-0,08	-0,14	-0,28	490,6	4,37
28,0	-0,08	-0,14	-0,28	615,4	5,48
30,0	-0,08	-0,14	-0,28	706,5	6,29
35,0	-0,10	-0,17	-0,34	961,6	Of 8.56
40,0	-0,10	-0,17	-0,34	1256,0	11,18
Notes 1 the Calculated value of linear density is calculated based on nominal diameter of bars. The density of Manila is taken equal to 8.9 g/cm. 2 At the request of the consumer drawn bars are manufactured with advanced and high precision on diameter.

4.2 the Diameters of hot-rolled bars and limit deviations thereon shall be as specified in table 2.


Table 2 — nominal diameter of hot rolled rods and limit deviations of the diameter

Nominal diameter, mm	Tolerance on nominal diameter of bars, mm	The cross-sectional area, mm	The calculated value of linear density, kg/m
35	1.6 million	961,6	8,5
40	1.6 million	1256,0	11,18
45	1.6 million	1589,6	14,15
50	1.6 million	1962,5	17,47
60	-1,9	2826,0	25,15
70	-1,9	3846,5	34,23
Note — At the customer’s request hot rolled bars are made with bilateral deviations by diameter, not exceeding the amount of deviation, specified in the table.

4.3 By agreement between the consumer and the manufacturer, the bars are made of intermediate diameters with maximum deviations for the next larger size listed in tables 1 and 2.

4.4 Rods produce other sizes according to the diameter, the maximum deviation, the requirements for surface quality, curvature, Cochin Reza established by agreement between the consumer and the manufacturer.

The legend rods are placed according to the scheme:

Use the following abbreviations:
a method of manufacturing	cold-deformed (drawn) — D,
hot-deformed (rolled) — G;
sectional shape	round — CU;
precision manufacturing	high,
increased — P,
normal — N;
condition	soft — M
solid — T;
length	random — ND,
dimensional — CD;
special conditions	for processing on automatic — AV.

The sign «X» is placed instead of the missing data (except for notation of special conditions).

Symbols are examples of wire:

Rod cold-drawn, round section, high precision manufacturing, soft, 10 mm diameter, random lengths from Manila brand Nmzhmts 28−2,5−1,5:

Rod DCRUM 10 ND Nmzhmts 28−2,5−1,5 GOST 1525−2015.

The same, cold-drawn, round section, high precision manufacturing, rigid, with a diameter of 12 mm, a length of a multiple of 1000 mm, from Manila brand Nmzhmts 28−2,5−1,5:

Rod DCCT 12 KD 1000 Nmzhmts 28−2,5−1,5 GOST 1525−2015.

The same, cold-drawn, round section, the normal precision manufacturing, rigid, diameter 10 mm, length 4000 mm, for processing on the machines, from Manila brand Nmzhmts 28−2,5−1,5:

Wire DKRNT 10x4000 Nmzhmts 28−2,5−1,5 AV GOST 1525−2015.

The same hot-rolled, of circular cross section, diameter 60 mm, random lengths from Manila brand Nmzhmts 28−2,5−1,5:

Rod HCRHH 60 ND Nmzhmts 28−2,5−1,5 GOST 1525−2015.

5 Technical requirements

5.1 Bars manufactured in accordance with the requirements of this standard for technological regulations approved in the prescribed manner.

5.2 Rods are made from alloy grade Nmzhmts 28−2,5−1,5 with the chemical composition according to GOST 492.

5.3 as of metal cold-drawn bars are manufactured mild (M) and hard (T).

Hot rods are made netravlenoy.

5.4 the surface of the bars must be smooth and clean, free from contamination, hindering their examination, do not have cracks and delamination.

On the surface of bars can be slightly individual surface defects in the form of a prisoner, scratches, grooves, dents, cavities, indentations*, traces of pulling and straightening is not displaying the bars for limit deviation for diameter.
____________________
* The text of the document matches the original. — Note izgotovitelya database.


Allowed darkening of surfaces on drawn bars and color tint.

5.5. In the fracture of bars should not be extraneous inclusions, delaminations, and voids.

The number and size of wooloowin permitted inside bars, determined by agreement between manufacturer and consumer.

The bars intended for welding, are allowed volosovichi.

5.6 Rods deliver exactly cut from two sides. The cut shall be perpendicular to the axis of the rod.

Allowed to produce rods with a diameter of 25 mm or less, with the cut ends.

5.7 the roundness of the round bar should not display their size beyond the permissible deviations in diameter.

5.8 the length of the rods are made with variable length, are given in table 3.

Table 3

Form of delivery	Nominal diameter	Length, m
In segments of random length	Diameter of 5 to 40 mm incl.	2 to 4
With a diameter of 40 to 60 mm incl.	From 1 to 3
With a diameter of over 60 mm	From 0.7 to 2.5
Note — In the party of bars with variable length bars allowed less than 1 m in length, but not less than 0.5 m, not more than 10% of the mass of the party.

5.9 Bars manufactured lengths or multiple lengths within the limits specified in table 3 random lengths with a tolerance of +10 mm.

Rods of standard length or multiple lengths manufactured without restriction of the lower limit of the length.

5.10 the Bars must be straightened. The local curvature of the rods 1 m length should not exceed the values given in table 4.

Table 4

In millimeters

A method of manufacturing of bars	Maximum curvature in 1 meter length rods with a diameter of
From 5 to 18	SV. 18 to 40	SV. 40
Drawn for processing on machines	1,25	1,0	-
Drawn	2,0	2,0	-
HR	-	6,0	6,0

The overall curvature of the rod should not exceed the limit values of the local curvature of 1 m for the total length of the rod in meters.

5.11 Mechanical properties of bars shall conform to the standards specified in table 5

Table 5 — Mechanical properties of bars

A method of manufacturing of bars	The condition of the material	Temporary resistance, MPa (kgf/mm)	Elongation after rupture, calculated the length of the specimen is 100 mm , %
And	And
Not less than
Drawn	Soft	440 (45)	25	35
590 (60)	10	18
HR	Solid	490 (50)	18	20

6 acceptance Rules

6.1 Bars take parties. The party must consist of bars of one method of manufacture, one precision manufacturing, one state of the material, the same size and decorated the same 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) the seller;

— designation of wire;

— the batch number;

— test results (as required);

the weight of the party;

— the number of seats.

The weight of the batch shall be not more than 1000 kg.

Allowed to issue one document about quality for several batches of bars delivered simultaneously to the same consumer.

6.2 To control the size and surface quality of bars used single-stage normal sampling plan for the alternative characteristic in accordance with GOST 18242, with the acceptance level of defects of 4.0%.

The sampling plan given in table 6. The selection of bars in the sample is carried out «blindly» (by the greatest objectivity) according to GOST 18321.

Table 6 — Number of control rods (coils)

In pieces

The number of bars (bays) in the party.	Number of control rods (coils)	Rejection number
6−25	3	1
26−90	13	2
91−150	20	3
151−280	32	4
281−500	50	6
501−1200	80	8
1201−3200	One hundred twenty five	11
Note — If the lot size does not exceed three of the bar, checked each rod.

The game is not complying with the requirements of tables 1 and 2 and 5.4, if the number of defective bars in the sample is greater than or equal to the acceptance number given in table 6.

At the customer’s request quality control of the surface subjected to each rod.

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

6.3 allowed the manufacturer to control the surface quality and the dimensions of the bars in the production process.

6.4 To check the curvature of bars selected 10% of the rods or beams of the party.

6.5 To check for a fracture take two rods, or two bunches from the party.

6.6 To check the rods on the lack of wooloowin taken away from the party for three rods or three bundles, and each bundle is one bar. The tests are carried out at the request of the consumer.

6.7 To check the mechanical properties are selected from the party for two rods or two beams, and each beam — one rod for each type of test.

6.8 To determine the chemical composition of the material of bars from the party taken by two rods or two beams, and each beam — one rod according to GOST 24231.

The manufacturer is allowed to inspect the chemical composition of the samples taken from the molten metal.

6.9 If unsatisfactory test results of at least one of the indicators in the 6.4−6.7 it is carried out re-testing at twice the sample taken from the same batch.

The results of repeated tests spread to the entire party.

6.10 allowed by agreement between manufacturer and consumer to use statistical methods of control of mechanical properties and curvature.

7 Methods of inspection and testing

7.1 visual examination of the surface of the rods is carried out without the use of magnifying devices.

7.2 Measurement of diameter and ovality is carried out in at least two mutually perpendicular directions of bars drawn — micrometer according to GOST 6507, hot-rolled bars — caliper according to GOST 166.

7.3 the length of the bars measured by metal ruler according to GOST 427 or measuring tape according to GOST 7502.

7.4 the curvature of the test bars according to GOST 26877 using the calibration line of the churchyard 8026 and probes according to normative-technical documentation.

7.5 Checking for a fracture subjected to both ends of the rod.

To check rod fracture bars incised, after which they break. The incision should be made so that the fracture passed through the Central part of the rod and had a width of:

— not less than 60% diameter — for bars with diameter up to 16 mm;

— not less than 10 mm, for bars with diameter over 16 mm.

The broken end of the rod for the dispatch cut. Inspection of the fracture is carried out without the use of magnifying devices.

7.6 To test the rods on the lack of wooloowin from each of the taken at 6.6 bars take one sample.

The presence of wooloowin inside of bars is determined according to the method specified in Appendix A.

7.7 tensile Test bars is carried out according to GOST 1497.

The selection and preparation of samples for tensile tests carried out according to GOST 24047.

7.8 Chemical composition is determined by GOST 6689.1−6689.3 GOST, GOST 6689.5−6689.7 GOST, GOST 6689.10-GOST 6689.19 or other methods of equal accuracy standards specified in this standard.

If there is disagreement in assessing the quality of the chemical composition of bars is determined according to GOST 6689.1−6689.3 GOST, GOST 6689.5−6689.7 GOST, GOST 6689.10-GOST 6689.19.

7.9 the Manufacturer is allowed to apply other testing methods, providing the required accuracy set out in this standard. If there is disagreement in the definition of the indicator monitoring is carried out by the method specified in this standard.

8 Packing, marking, transportation and storage

8.1 Bars with a diameter up to 35 mm inclusive tied into bundles weighing not more than 80 kg each.

Each bundle should consist of at least three bars and should be tied with wire in two turns with a diameter of more than 1.2 mm according to GOST 3282 in at least two places, and when the length of the bars more than 3 mm not less than three locations evenly along the length of the bar, thus to preclude the reciprocal movement of bars in the beam.

The ends of the wire connected by twisting at least five turns.

Allowed a bunch of bundles with packing tape section according to GOST 3560.

Bars with the diameter more than 35 mm in the beams don’t connect.

8.2 Drawn rods with diameter up to 10 mm high, inclusive and high accuracy packaged in one or two layers in synthetic and non-woven materials according to normative-technical documents, ensure quality safety rods, and tie on top of the packing material wire according to GOST 3282 in at least two places.

The quality of packaging and packaging materials is allowed to use other types of packing and packaging materials, according to normative-technical documents, strength is not inferior to the specified in this standard and ensuring the safety of products.

8.3 package should be generated in the transport packages on pallets churchyard 9557. Dimensions of packages — according to GOST 24597 and GOST 26663 and normative-technical documents.

Weight of package must not exceed 1250 kg. a means of binding the transport packages according to GOST 21650.

The formation of packages can be with the use of wooden bars with dimensions not less than 50x50 mm with tying wire with diameter at least 2 mm in two turns according to GOST 3282 or tape size 0,3x30 mm according to GOST 3560, or by using a sling also packageable wire according to GOST 3282 diameter not less than 5 mm with the twist of not less than three turns.

The ends of the wire connected by twisting at least five turns of tape to the castle.

8.4 Packaging of products sent to the far North or remote areas, — according to GOST 15846, group «Metals and metal products."

8.5 each beam rods should be attached to the metal, cardboard or plywood label according to GOST 14192 which specify:

is the trademark or name and trademark of manufacturer;

— the name of the country of manufacture;

— the symbol bars;

— the batch number;

— the designation of this standard;

— the stamp of the technical control room or controller.

8.6 At the end of each rod, supplied without packaging and are not in conjunction, should be embossed:

— grade alloy;

— the batch number;

— stamp of technical control.

Grade can enter the abbreviated form.

These data allowed to put permanent paint on the side surface of the rod.

8.7 Transportation of bars is carried out by all kinds of transport in covered vehicles in accordance with cargo carriage regulations applicable to transport of this species.

Vehicles for rods with a length of over 3 m is determined in accordance with cargo carriage regulations applicable to transport of this species.

Training for carriage of goods by sea is carried out in accordance with GOST 26653.

8.8 Transport marking of packages — according to GOST 14192 with the application of manipulation sign «Protect from moisture» and additional label batch number in the free from traffic markings. Transport marking applied by any method stipulated by GOST 14192.

8.9 When stored in covered facilities and during transportation of the bars should be protected from mechanical damage, moisture and active chemical substances.

8.10 subject to these conditions of transportation and storage of consumer properties of bars do not change.

Annex a (recommended). Method of determination of wooloowin on the bars of Monel

Appendix A
(recommended)

The methodology is designed to identify and determine the number of wooloowin inside of bars used for welding. The method is based on etching of a freshly rods with concentrated nitric acid.

A. 1 Reagents and controlled samples

A. 1.1 concentrated nitric Acid according to GOST 701.

A. 1.2 Controlled samples to produce a stepped turning. The length of the sample, which determine the presence of wooloowin shall be (150±2) mm.

Sample form is shown in figure A. 1.

Figure A. 1 — sample Form

A. 2 Preparing to monitor

A. 2.1 Turning steps on the samples is carried out with a sharp cutter when cutting depth is not more than 0.5 mm and feed of 0.25 mm.

A. 2.2 the diameters of the steps set depending on the diameter of bars and they should correspond to those in table A. 1.

Table A. 1

Bar diameter, mm	Diameter steps, mm		Tolerances for the diameters of the steps
D	D
9−10	8	5,5	±0,2
12−13	10,0	6,0
14	12,0	8,0
15−16	13,0	9,0
18−20	15,0	12,0
22−25	18,0	15,0
28−30	23,0	18,0
35−38	28,0	22,0
40−50	39,0	28,0
60	48,0	32,0

A. 3 control

A. 3.1 Freshly etched samples in concentrated nitric acid for 1−2 min.

A. 4 assessment of the results

A. 4.1 the Presence and number of wooloowin determine the result of the inspection of the samples after etching without the use of magnifying devices.