GOST R 54568-2011

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  ГОСТ Р 54568-2011

GOST R 54568−2011 Pipes made of alloy MNZH5−1. Specifications

GOST R 54568−2011

NATIONAL STANDARD OF THE RUSSIAN FEDERATION

PIPES MADE OF ALLOY MNZH5−1

Specifications

Tubes from alloy MNZH5−1. Specifications

OKS 23.040.15
GST 18 4750

Date of introduction 2013−01−01

Preface

The objectives and principles of standardization in the Russian Federation established by the Federal law of 27 December 2002 N 184-FZ «On technical regulation», and rules for the application of national standards of the Russian Federation — GOST R 1.0−2004 «Standardization in the Russian Federation. The main provisions"

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"

2 SUBMITTED by the Technical Committee for standardization TC 106 «Tsvetmetprokat"

3 APPROVED AND put INTO EFFECT by the Federal Agency for technical regulation and Metrology dated 30 November 2011 N 654-St

4 INTRODUCED FOR THE FIRST TIME


Information about the changes to this standard is published in the annually issued reference index «National standards», and the text changes and amendments — in monthly indexes published information «National standards». In case of revision (replacement) or cancellation of this standard a notification will be published in a 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 covers cold drawn and extruded tubes of copper-Nickel alloy brand MNZH5−1 intended for the shipbuilding industry.

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

2 Normative references

This standard uses the regulatory references to the following standards:

GOST R ISO 2859−1-2007 Statistical methods. Procedure sampling on alternative grounds. Part 1. Sampling plans consistent parties on the basis of acceptable level of quality

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

GOST 2789−73 surface Roughness. Parameters and characteristics

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 3845−75 Pipe metal. Test method hydraulic pressure

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 6689.4−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of zinc

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 6689.8−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of aluminium

GOST 6689.9−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of cobalt

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. Method for the 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 6689.20−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of lead

GOST 6689.21−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of titanium

GOST 6689.22−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of tin

GOST 8693−80 (ISO 8494−86) of the Pipe metal. Test method turn-up cuffs

GOST 8695−75 Pipe. Test method for flattening

GOST 9557−87 flat wooden Pallet size of 8001200 mm. Technical specifications

GOST 10006−80 (ISO 6892−84) of the Pipe metal. Test method tensile

GOST 10198−91 wooden Boxes for goods of mass over 200 up to 20000 kg. General specifications

GOST 14192−96 Marking of cargo

GOST 15102−75 the universal metal closed Container of nominal gross mass 5,0 t Technical specifications

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

GOST 17410−78 nondestructive testing. The seamless cylindrical metal pipe. Methods of ultrasonic flaw detection

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 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 26877−91 metal Products. Methods of measuring form deviations of

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 published annually by the information sign «National standards» published as on January 1 of the current year and related information published monthly indexes 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 the seamless round tube: a Hollow product of round cross section with uniform wall thickness, which at all stages of production has a continuous circumference.

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 tube axis.

3.3 raznoshennoy (thickness variation, the deviation from concentricity): the difference between the largest and smallest values of wall thickness measured in single cross-section perpendicular to the tube axis.

3.4 nominal wall thickness: wall Thickness specified in the order.

3.5 measuring length: the Product of a certain length, specified in the order, in a live segment.

3.6 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 Geometrical dimensions of the pipes are determined by the outer diameter, wall thickness and length.

4.2 nominal outside diameter and nominal wall thickness cold-drawn tube must correspond to the values indicated in table 1.


Table 1

Nomi- tional external diameter, mm

Nominal wall thickness, mm

1,0

1,5

2,0

2,5

3,0

3,5

4,0

5,0

5,5

6,0

7,0

7,5

8,0

10,0

6,0

R

R

7,0

R

8,0

R

9,0

R

R

R

10,0

R

R

R

12,0

R

R

R

14,0

R

R

R

R

15,0

R

R

16,0

R

R

R

R

18,0

R

R

R

19,0

R

R

R

20,0

R

R

R

R

R

R

R

21,0

R

R

R

22,0

R

R

R

R

R

R

23,0

R

R

R

24,0

R

R

R

R

25,0

R

R

R

R

26,0

R

R

R

28,0

R

R

R

R

29,0

R

R

30,0

R

R

32,0

R

R

R

R

36,0

R

R

R

R

38,0

R

R

R

R

40,0

R

45,0

R

R

R

R

R

R

46,0

R

50,0

R

R

55,0

R

R

R

R

R

60,0

R

R

R

R

65,0

R

R

R

R

R

70,0

R

R

R

R

75,0

R

R

R

R

80,0

R

85,0

R

R

R

R

R

R

90,0

R

R

105,0

R

R

R

R

110,0

R

114,0

R

115,0

R

R

125,0

R

R

130,0

R

R

R

R

Of 135.0

R

Over 139.0

R

140,0

R

145,0

R

155,0

R

R

R

156,0

R

160,0

R

R

R

165,0

R

R

170,0

R

180,0

R

R

185,0

R

190,0

R

R

205,0

R

R

R

206,0

R

Of 210.0

R

215,0

R

220,0

R

258,0

R

R

260,0

R

Note — R — used sizes of pipes.

4.3 nominal outside diameter tolerances for the outside diameter of cold-drawn tubes shall conform to the values specified in table 2.


Table 2

In millimeters

Nominal outer diameter	Limit deviations
From 6.00 to 7.00 incl.	-0,15
SV. Of 8.00 «12,00 «	-0,20
«To 14.00» to 20.00 «	-0,24
«Of 21.00» 30,00 «	-0,30
«32,00» 38,00 «	Mobility in soil -0,35
«40,00» of 46.00 «	-0,40
«50,00» 55,00 «	-0,50
«60,00» 70,00 «	-0,60
«75,00» 90,00 «	-0,80
«105,00» of 145.00 «	-0,50
«155,00» of 185.00 «	-0,60
«190,00» 220,00 «	-0,70
Of 258.00	-0,80
260,00	-0,90
Note — it is allowed to produce pipes with maximum deviation at inner and outer diameter, the maximum deflection at the inner diameter should correspond to the limit deviations of the outside diameter shown in table 2.

4.4 wall Thickness cold-drawn tubes and limit deviations for wall thickness shall conform to the values specified in table 3.


Table 3

In millimeters

The nominal wall thickness of	Limit deviations for wall thickness
1,0	±0,10
1,5	±0,15
2,0	±0,20
2,5	±0,25
3,0−3,5	±0,30
4,0−5,0	±0,40
Of 5.5−6.0	±0,50
7,0	±0,60
7,5−8,0	±0,70
10,0	±0,75
Note — the maximum deviation of the wall thickness from the nominal value at any point shall not exceed the values specified in table 3, more than 50%.

4.5 Theoretical weight of 1 m cold-deformed pipes with a nominal outside diameter and nominal wall thickness are given in Appendix A (table A. 1).

4.6 along the length of the cold-deformed pipes made of random length.

Random length of pipe shall be as defined in table 4.


Table 4

Diameter of pipe, mm	Wall thickness, mm	Pipe length, m
From 6 to 46	0,5−6,0	4−6
SV. 46 «145	2,0−6,0	3−5
«145» 260	3,0−6,0	2−3

Allowed pipe diameter to 40 mm inclusive of manufacturing lengths of 0.5 to 6 m with an interval of 50 mm.

Pipe with a wall thickness of 6 mm produce length less than 2 m.

It is possible to manufacture pipes with diameter more than 45 mm in length, less than specified in table 4 but not less than 1 m up to 10% of the party.

4.7 nominal outside diameter, nominal wall thickness and the length of the extruded pipe shall conform to the values specified in table 5.


Table 5

External diameter, mm		Wall thickness, mm		Length, m, not less than
Nomin.	Pred. off.	Nomin.	Pred. off.
115	±1,5	25,0	±2,0	1,5
130	±1,5	5,0	±0,5	1,5
140	±1,5	10,0	±1,0	1,5
7,5	±0,75	1,5
185	±1,9	45,0	±4,5	0,8
55,0	±5,5	0,8
245	±2,5	12,5	±1,2	1,5
270	±2,8	15,0	±1,5	1,5
270	±2,8	60,0	±6,0	0,8
275	±2,8	60,0	±6,0	0,8
Note — it is allowed to produce pipes with maximum deviation at inner and outer diameter, the maximum deflection at the inner diameter should correspond to the limit deviations of the outside diameter specified in table 5, and the maximum deviation of the wall thickness from the nominal value at any point shall not exceed the values specified in table 5, more than 50%.

Extruded tubes are made of random length.

4.8 maximum deviation on length of pipes shall not exceed the following values:

+10 mm — diameter pipes up to 20 mm;

+15 mm — at diameter of pipes in excess of 20 to 40 mm.

4.9 Theoretical weight of 1 m of extruded pipes with nominal outer diameter and nominal wall thickness are given in Appendix A (table A. 2).

The legend of pipes are placed according to the scheme:

Use the following abbreviations:

— method of making	— cold-deformed (drawn) — D; extruded — G;
— sectional shape	— round — CU;
— precision manufacturing	— normal — N;
— as	— soft — M; solid — T;
— length	— random — ND; multiple lengths — KD.

Examples of symbols pipes

Pipe cold-worked, of circular cross section, the normal precision manufacturing, rigid, outer diameter 30 mm, with a wall thickness of 1 mm, a length in multiples of 1.5 m, made of alloy MNZH5−1:

Pipe DKRNT 3011500КД MNZH5−1 GOST R 54568−2011

Tube extruded, of circular cross section, the normal precision of manufacture, an outer diameter of 270 mm with a wall thickness of 15 mm, random length, made of alloy MNZH5−1:

Pipe GCMH 27015НД MNZH5−1 GOST R 54568−2011

5 Technical requirements

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

5.2 Pipes made of alloy MNZH5−1 according to GOST 492.

5.3 Cold drawn tubes manufactured in soft and hard States.

5.4 External and internal surface of pipes must be free of contaminants that hinder visual inspection. On the surface of the pipe are not allowed dents, marks edits, small slivers, risks, scratches, as long as they control the sweep output tubes for maximum deviations in size.

Allowed koltsevatost, color tint and slight surface oxidation of the tubes.

5.5 In the pipes should not be bundles, prisstina, cracks, bubbles, cavities and other defects.

5.6 Pipe should be trimmed evenly, no rough burrs.

Allowable cut end Squareness, mm should take the pipe over the limit deviations in length and shall not exceed the following values:

2 mm — for pipes with a diameter up to 50 mm incl.;

4 mm — for tubes with diameter over 50 to 105 mm incl.;

5 mm — for pipes with a diameter of 105 St. to 170 mm incl.;

7 mm — for pipes with a diameter of 170 mm. St

5.7 Ovality and raznoshennoy should take the pipe over the limit deviations for outer diameter and wall thickness, respectively.

5.8 Pipe must be straight. Curvature of 1 m cold-drawn tubes shall conform to the requirements given in table 6.


Table 6

In millimeters

Condition	The outer diameter	Curvature of 1 m length, no more
Hard and soft	10 or less	Not regulated
Solid	SV. 10 to 156 vkuc.	5
Solid	SV. 156	7

The curvature of the extruded pipe should not exceed 15 mm per 1 m length.

5.9 Mechanical properties of pipes shall be as specified in table 7.


Table 7

A method of manufacturing pipes	Tensile strength , kgf/mm(MPa) not less than	Elongation , %, not less
Extruded	23,0 (225)	25,0
Drawn (annealed)	26,0 (255)	30,0

5.10 Pipe must withstand the test of flattening in cold condition without cracks or tears to the gap in two thicknesses.

5.11 Pipe diameter 65−90 mm shall withstand a test hydraulic pressure. The test pressure is determined by agreement between the consumer and the manufacturer.

Test pressure , MPa (kgf/cm) for soft pipes must not exceed the value calculated according to the formula:

, (1)

where  — wall thickness, mm;

 — internal diameter, mm.

5.12 Pipe must withstand the test turn-up cuffs without the appearance of cracks and tears.

6 acceptance Rules

6.1 Pipe take parties. The party should consist of pipes of the same brand of copper alloy, one size and one material condition, one method of manufacture shall be furnished in one 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;

— the symbol of the pipes;

— test results (as required);

— the batch number;

— the weight of the batch.

The weight of the batch should not exceed 3,000 kg.

6.2 quality Control the outer surface must be subjected to each pipe of the party.

6.3 For quality control of internal surface of pipes with diameter up to 40 mm inclusive select five of the pipes from the party.

The control of internal surface of pipes with a diameter greater than 40 mm shall be subjected to each tube.

6.4 control of the diameter and wall thickness is carried out «blindly» (by the greatest objectivity) according to GOST 18321. The control plans meet the requirements of GOST R ISO 2859−1.

To control the diameter of the pipe of all sizes and wall thickness pipe inner diameter more than 12 mm number of controlled tubes is determined in accordance with table 8.


Table 8

The number of tubes in the party.	The number of controlled tubes.	Rejection number.
From 2 to 8	2	1
«9» 15	3	1
«16» 25	5	1
«26» 50	8	2
«51» 90	13	2
«91» 150	20	3
«151» 280	32	4
«281» 500	50	6
«501» 1200	80	8
SV. 1200	125	11

To control the wall thickness of pipe inside diameter of 12 mm and less than the number of controlled tubes is determined in accordance with table 9.


Table 9

The number of tubes in the party.	The number of controlled tubes.	Rejection number.
Up to 50	3	1
From 51 to 150	5	1
«151» 500	8	2
«501» 3200	13	2
SV. 3200	20	3

The number of tubes in the batch is calculated by the formula

, (2)

where is the mass of pipes in the batch, kg;

theoretical weight of 1 m pipe, kg;

 — average pipe length, m.

Party is considered valid if the number of pipes not satisfying requirements of 4.2 and 4.7, less than the acceptance number given in tables 8 and 9. If unsatisfactory results, the manufacturer may control each pipe.

6.5 the Test tubes with a diameter of 6−60 mm in the absence of delaminations, cracks, bubbles, cavities and other defects, and pipes with a diameter of 65−90 mm for tightness is carried out on two pipes from the party.

For pipes, special purpose inspection is carried out on all pipes of the party.

6.6 Inspection of pipes with a diameter of 100−275 mm in the absence of Presstime carried out on all pipes of the party.

The test tubes with a diameter of 100−275 mm with a wall thickness of 5 mm or less, the lack of Presstime allowed by agreement between manufacturer and consumer spend on the three pipes from the party.

6.7 Control skew of the cut and the curvature of the pipes is carried out on two pipes from the party.

6.8 tensile Test (tensile strength and elongation) is carried out in two tubes from the party.

6.9 Test flattening is carried out on two pipes from the party.

6.10 the Test is carried out turn-up cuffs on three pipes from the party.

6.11 To determine the chemical analysis taken two pipes from the party. Allowed to the manufacturer of the sampling carried out by the molten metal.

6.12 If unsatisfactory test results of at least one indicator thereon, a second test of the doubled sample taken from the same batch.

The results of repeated testing are spreading to the entire party.