GOST R 56282-2014

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  ГОСТ Р 56282-2014

GOST R 56282−2014 the large-size extruded solid Profiles of aluminum alloys. Specifications

GOST R 56282−2014

NATIONAL STANDARD OF THE RUSSIAN FEDERATION

The large-size extruded solid profiles of aluminum alloys

Specifications

Aluminum alloy large extruded solid sections. Specifications

OKS 77.150.10
GST 18 1240
18.1340

18 1540
18 1940

Date of introduction 2015−08−01

Preface

1 DEVELOPED by Closed joint stock company «METAKON CENTER» (CJSC «METAKON»), a non-profit partnership «Alliance of aluminium extruders (NP April»), Federal state unitary enterprise «all-Russian Research Institute of Aviation Materials» (FSUE «VIAM»)

SUBMITTED 2 Closed joint stock company «METAKON CENTER» (CJSC «METAKON»)

3 APPROVED AND put INTO EFFECT by the Federal Agency for technical regulation and Metrology dated 26 November 2014 N 1886-St

4 INTRODUCED FOR THE FIRST TIME

Application rules of this standard are established in GOST R 1.0−2012 (section 8). Information about the changes to this standard is published in the annual (as of January 1 of the current year) reference index «National standards» and the official 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 a future issue of 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 (gost.ru)

1 Scope

This standard applies to extruded profiles of aluminum alloys 1561, AD35, AB, 1915, 1985ч, 1911 and 1913, the solid, the diameter of the circumscribed circle from 350 to 600 mm, intended for the national economy and exports.

Profiles with a diameter of circumscribed circle is more than 600 mm manufactured according to the requirements specified in the drawings agreed between the manufacturer and the consumer.

The standard establishes technical requirements for list of alloys, fabrication, inspection, testing and acceptance profiles.

2 Normative references

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

GOST 9.510−93 unified system of protection from corrosion and ageing. Semi-finished products of aluminium and aluminium alloys. General requirements for temporary anticorrosive protection, packing, and storage transportirovki

GOST 9.904−82 unified system of protection from corrosion and ageing. Aluminum-based alloys. The method of accelerated testing of dissecting corrosion

GOST 427−75 Rulers measuring metal. Specifications

GOST 1497−84 Metals. Test methods tensile

GOST 4784−97 Aluminum and aluminum deformable alloys. Brand

GOST 5009−82 emery Cloth abrasive cloth. Specifications

GOST 6456−82 emery Cloth sanding paper. Specifications

GOST 7502−98 metallic measuring tape. Specifications

GOST 7727−81 aluminum-based Alloys. Methods of spectral analysis

GOST 8692−88 Discs sanding fibre. Specifications

GOST 11739.1−90 Alloys aluminium cast and wrought. Methods for determination of aluminium oxide

GOST 11739.2−90 Alloys aluminium cast and wrought. Methods of boron determination

GOST 11739.3−99 Alloys aluminum casting and wrought. Methods for determination of beryllium

GOST 11739.4−90 Alloys aluminium cast and wrought. Methods for determination of bismuth

GOST 11739.5−90 Alloys aluminium cast and wrought. Methods for determination of vanadium

GOST 11739.6−99 Alloys aluminum casting and wrought. Methods of iron determination

GOST 11739.7−99 Alloys aluminum casting and wrought. Methods for determination of silicon

GOST 11739.8−90 Alloys aluminium cast and wrought. Method of determining potassium

GOST 11739.9−90 Alloys aluminium cast and wrought. Method for the determination of cadmium

GOST 11739.10−90 Alloys aluminium cast and wrought. Method for the determination of lithium

GOST 11739.11−98 Alloys, aluminum casting and wrought. Method for determination of magnesium

GOST 11739.12−98 Alloys, aluminum casting and wrought. Method of determination of manganese

GOST 11739.13−98 Alloys, aluminum casting and wrought. Method for determination of copper

GOST 11739.14−99 Alloys aluminum casting and wrought. Method for the determination of arsenic

GOST 11739.15−99 Alloys aluminum casting and wrought. Method for the determination of sodium

GOST 11739.16−90 Alloys aluminium cast and wrought. Method for the determination of Nickel

GOST 11739.17−90 Alloys aluminium cast and wrought. Method for determination of tin

GOST 11739.18−90 Alloys aluminium cast and wrought. Method for determination of lead

GOST 11739.19−90 Alloys aluminium cast and wrought. Method for the determination of antimony

GOST 11739.20−99 Alloys aluminum casting and wrought. Method of determining titanium

GOST 11739.21−90 Alloys aluminium cast and wrought. Method for the determination of chromium

GOST 11739.22−90 Alloys aluminium cast and wrought. Method for the determination of rare earth elements and yttrium

GOST 11739.23−99 Alloys aluminum casting and wrought. Method for the determination of zirconium

GOST 11739.24−98 Alloys, aluminum casting and wrought. Method of determining zinc

GOST 11739.25−90 Alloys aluminium cast and wrought. Method for the determination of scandium

GOST 11739.26−90 Alloys aluminium cast and wrought. Method for the determination of gallium

GOST 14192−96 Marking of cargo

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 25086−87 non-ferrous metals and their alloys. General requirements for methods of analysis.

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

GOST 27333−87 nondestructive testing. Measurement of the specific electrical conductivity of non-ferrous metals eddy-current method

GOST 27637−88 Semi-finished products of wrought aluminum alloys termouprochnennyh. Control of the microstructure on burnout by metallographic methods

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 replaced with a reference standard, which was given an undated reference, then it is recommended to use the current version of this standard, taking into account all enabled in this version modifications. If replaced with a reference standard, which is given a dated reference, it is recommended to use the version of this standard referred to above by year of approval (acceptance). If after approval of this standard in the reference standard, which is given a dated reference, a change affecting a provision to which reference, the provision is recommended to be applied without taking into account this change. If the reference standard is cancelled without replacement, the position in which reference is made to him, recommended to be used in part not affecting this link.

3 Classification

3.1 Profiles divided by state of material:

without heat treatment (hot-pressed) to indicate the brand of the alloy without additional signs;

— annealed — M;

— hardened and naturally aged — T;

— hardened and artificially aged — T1;

— hardened and artificially aged by mode soft — T3.

3.2 the symbol or cipher of the profile grade, the condition of the material, acceptance length (random, dimensional or multiple) and the number of this standard must be specified in the purchase order.

3.3 the sections are made with thick walls and flanges from 10 to 25 mm.

4 Assortment

4.1 the Shape and dimensions of profiles of square cross-sections, the diameters of the circumscribed circle and the theoretical weight of 1 m of length should correspond to the drawings agreed between the manufacturer and the consumer.

4.2 maximum deviations of the dimensions of the cross section, covering the monolithic metal of the profiles must meet:

— for profiles of aluminium alloys, except alloys of 1985ч and 1561, the values given in table 1;

— for profiles of aluminium alloys brands 1985ч and 1561, the values given in table 1, increased 1.5 times.


Table 1

The nominal dimensions of the cross section of the profile, mm	Limit deviations, mm
Up to 300	±2,5
From 300 to 400 incl.	±3,0
SV. 400	±4,0

4.3 tolerances for the thickness of the shelves and walls must comply with:

— for profiles of aluminium alloys, except alloys of 1985ч and 1561, the values given in table 2;

— for profiles of aluminium alloys brands 1985ч and 1561, the values given in table 2, increased by 1.2 times.

4.4 maximum deviations in the radius of the angles should correspond to those in table 3.

The value of the radius of the corners of the profile not specified in the drawings shall be not more than 5.0 mm.

4.5 Profiles are manufactured with length up to 6 m or 11.5 m agreed between manufacturer and consumer.

4.6 Profiles made random, exact or multiple lengths within the dimensions specified in paragraph 4.5.


Table 2

Nominal thickness of wall or shelves, mm	Limit deviations, mm
To 15 incl.	+1,0/-0,5
SV. 15 to 20 incl.	+1,5/-0,8
SV. 20 to 25 incl.	+1,8 /-1,0

Table S

Radius, mm	Limit deviations, mm
To 5.0 incl.	±1,0
SV. 5.0 to 10.0 incl.	±1,5
SV. 10,0	±3,0

4.7 maximum deviations along the length of the profile should not exceed +40 mm.

Profiles dimensional and multiple lengths shall be manufactured with an allowance for each cut is 5 mm.

4.8 the Profiles must be cut at right angles and should not have burrs on the outer surface.

Cut end Squareness, mm or a multiple dimensional measuring length of the profile should take the profile beyond the sample length.

4.9 the torsional Angle around the longitudinal axis 1 m of length of any section of the profile should not exceed 1°. The total twist angle for sections with length from 6 to 11.5 m should not exceed 6°.

4.10 Limit deviations for angular dimensions of cross-sections should be no more than ±1°.

4.11 the Size of the gap formed between the profile surface and the line at imposing it on any plane in the transverse direction shall be not more than 0.8% of its width. The local curvature in the transverse direction on the basis of 125 mm shall not exceed 0,8 mm.

4.12 Shows the curvature of the profile at 1 meter of its length (including the edge) should not exceed 1 mm, and the total curvature of the profile must not exceed the given curvature on the length of the profile.

Note On profiles with Bulba, the longitudinal curvature of the edge specified in the profile drawing agreed between the manufacturer and the consumer.

4.13 Smooth along the length of waviness (local lag from the plane) should not be more than 1 mm in an amount of not more than one wave per 1 m length of the profile.

4.14 For profiles with irregular cross sections, the maximum deviations in the dimensions can be changed, as indicated in the drawing agreed between the manufacturer and the consumer.

Examples of symbols.

Profile of alloy grade 1915 quenched and naturally aged condition (T), any section, with a length of 6000 mm:

Profile 1915 Т (number or code of the profile) x 6000 GOST R

The same length, the fold (KD) 3000 mm:

Profile 1915 Т (number or code of the profile) x 3000 KD GOST R

The same for profiles of random length.

Profile 1915 Т (number or code of the profile) GOST R

5 Technical requirements

5.1 Profiles are produced in accordance with the requirements of this standard for technological regulations approved in the prescribed manner.

5.1.1 Profiles made of aluminum alloys of AD35, AV and 1915, with the chemical composition according to GOST 4784, brands 1985ч — [1], brands 1561, 1911 — [2] and stamps 1913 — [3].

5.2 Mechanical properties of the profiles under tension, determined on samples cut in the joint area, must conform to the values specified in table 4.


Table 4

Refer to the inclusion of alloy and condition of delivery	Delivery condition	The thickness of the shelf or wall, mm	Temporary support tiulenii, MPa (kgf/mm)	Yield strength , MPa (kgs/mm)	Take tional outline- tion, , %
not less than
1561М	Annealed	All sizes	330 (34)	165 (17)	10
АД35Т1	Tempered and artificially aged	All sizes	314 (32)	245 (25)	8
АВТ1	Tempered and artificially aged	All sizes	295 (30)	225 (23)	10
1915Т	Tempered and naturally aged	All sizes	350 (36)	215 (22)	10
1915Т1	Tempered and artificially aged	370 (38)	245 (25)	8
1985чТ1	Tempered and artificially aged	All sizes	390 (40)	290 (30)	9
1911Т	Tempered and naturally aged	All sizes	390 (40)	280 (29)	14
1913T3	Tempered and artificially aged	All sizes	430 (44)	360 (37)	10
Notes 1 Acceptance tests profiles of alloy grade 1915 quenched and naturally aged condition are the tests conducted on the samples after no more than 4 days of natural aging. Thus, the mechanical properties should be no less than 275 (28) MPa (kgf/mm), not less than 165 (17) MPa (kgf/mm), not less than 10%. 2 profiles For alloy 1915 Т, naturally aged for one year, are guaranteed the following mechanical properties: minimum 380 (39) MPa (kgf/mm), not less than 245 (25) MPa (kgf/mm), not less than 10%.

5.3 Surface profile should not have cracks, delaminations, various zapressovat, spots of corrosion origin and traces of nitrate.

5.4 surface profiles allowed slivers, nicks, dents, bubbles, risks, point scoring, scratches, if they control the sweep does not display the profile for the minus tolerances for dimensions.

The total area of defects shall not exceed 2% of the surface profile for each meter of length.

5.5 allowed local gentle sweep of defects of the surface profile, if it does not display the profile sizes for the negative maximum deviations.

Cleaning of the cracks is not allowed.

5.6 Color of tint, light and dark spots acceptance a symptom of are not.

5.7 macro-structure profiles must not have cracks, rihlat, bundles, utain, bright spots of crystallites is depleted of the solid solution.

The presence of coarse grain rim is not allowed.

5.8 On the macrostructure of profiles allowed:

— non-metallic inclusions in the form of dots with a diameter of not more than 0.5 mm, if their number does not exceed 2 PCs.

— point intermetallic compounds with a size less than 0.1 mm, in the form of single disparate points.

Note — For profiles subjected to routine ultrasonic testing, non-metallic inclusions in the form of dots or strokes are not rejection symptom.

5.9 Microstructure profiles, hardened, should not have signs of burnout.

5.10 in ultrasonic inspection profiles are recorded defects, the amplitude echo-signals from which is equal to or greater than the amplitude of the echo from the reference reflector with a diameter of 1.2 mm.

Not allowed defects, the amplitude echo-signals which exceed the amplitude of the echo from the reference reflector with a diameter of 1.6 mm, as well as defects, conditional length of which exceeds 20 mm.

The distance between the defects should be at least 200 mm.

6 acceptance Rules

6.1 Profiles take parties. The party should consist of profiles of one brand of aluminum alloy, the same material state that is the same size and decorated by one document on quality.

Party heat-treated profiles should be one of the batch, and the batch of profiles without thermal treatment must be from the same heat.

Allowed to make a batch of heat-treated profiles taken from several batches or from profiles without a thermal treatment, taken from several swimming trunks, provided that each cage or melting meets the requirements of this standard.

The document about quality should contain:

— name and trademark of manufacturer;

— the name of the consumer;

— brand aluminium alloy as material;

— the designation (number or code);

— the batch number;

the weight of the party;

— test results (mechanical properties only specify a minimum value);

— warranty of conformity between mechanical properties of the supplied profiles to the requirements of table.4 present standard;

— date of shipment;

— the designation of this standard.

Note — At the request of the consumer to the document as I enclose copies of the protocols of chemical analysis.

6.2 the Chemical composition of the alloys determine the manufacturer for each cast.

Each melt is subjected to chemical analysis for the determination of alloying components and the main impurities. Other impurities not determined. In case of unsatisfactory results it is possible to repeat the analysis. When unsatisfactory results of repeated analysis of melting marriage.

6.3 Verification of geometric dimensions for compliance to the agreed drawing is subjected to each profile. Permitted to conduct random control of the geometric dimensions of not less than 10% of the profiles from the party.

6.4 Checking the quality of the surface subjected to each profile. Permitted to conduct random quality control surface not less than 10% of the profiles from the party.

6.5 To check the mechanical properties and macrostructure of selected 5% of profiles from the party, but at least two profiles. The value of the mechanical properties of the output ends of the tested profiles are valid for all profiles to this party.

At the request of the consumer verification of the mechanical properties and macrostructure subjected to each profile.

6.5.1 the Mechanical properties of the profiles tested for the specimens cut in shared direction.

The need for testing the mechanical properties of the profiles in the transverse (width and thickness) direction is stipulated in the agreed drawings.

6.5.2 Upon receipt of unsatisfactory sample results of testing the mechanical properties of at least one of the indicators for this indicator repeat tests are carried out at twice the number of samples cut from the same end of the profile.

In case of unsatisfactory results, re-testing, the profile is rejected, and the remaining profiles test the mechanical properties of the piece.

Note — At the request of the consumer, specified in a consistent drawing, the profiles of experience with the output and utrennego all.

6.6 the macro-structure of the profile (pressing) check on both sides (from the output and utrennego all).

6.6.1 results are unsatisfactory macrostructure, except utiny, either end of the pressing profile adjacent to the end of compression, is rejected, and control of macrostructure is carried out at the opposite end of the same profile to determine the validity of the remaining sections in compression.

6.6.2 If there is utiny on the scanned profiles (subject to compliance with the macrostructure of the other requirements) it should be completely removed, while other sections of the party are cut by an amount equal to the length of the cut end from the check the profile or check uterino piece.

6.7 To check the microstructure of the profiles to be quenched, burnout select one profile from each heat in the cage heat treatment. In the presence of burnout re-control of the microstructure is not allowed.

Profiles are not to be quenched, not subject to verification of the microstructure, but the manufacturer guarantees the absence of burnout in the delivery condition.

6.8 to test For the presence of surface nitrate profiles, quenched in Salitre baths, take 1% of profiles from the party, but at least one profile.

Upon detection of nitrate party profiles must be re-washing and re-checked for the presence of surface nitrate.

6.9 At the request of the consumer profiles are subjected to ultrasonic testing. Supplied in an agreed map of ultrasonic testing.

6.10 Tests of dissecting corrosion (RAC) is carried out at the request of the consumer. When tested in the RSC is controlled 100% profiles.

7 test Methods

7.1 Selection and preparation of samples for determining the chemical composition of the profiles is carried out according to GOST 24231.

7.2 determination of the chemical composition of the alloys is carried out by chemical method according to GOST 25086, GOST 11739 (1−26) or a spectral method for GOST 7727.

If there are disagreements chemical composition determined by chemical method.

7.3 Measurement of cross-sectional dimensions of profiles and the local cross curvature measuring instrument is carried out, providing a measurement accuracy of 0.2 mm.

When using a measuring tool, allowing to carry out measurement with higher accuracy, the obtained results are rounded to 0.2 mm.

Measuring the length of the profiles is carried out metal measuring tape according to GOST 7502 or metal ruler according to GOST 427.

Measurement of the longitudinal curvature of the profiles is carried out according to GOST 26877.

7.3.1 the dimensions of the cross-section profiles at the ends of the check with output and utrennego all.

7.4 Inspection of surface profiles is carried out without the use of magnifying devices.

The depth of defects measured by depth indicator (special) according to normative-technical documentation.

7.4.1 the sweep of the profile is carried out in the longitudinal direction of the scraper or disk sanding fiber according to GOST 8692 is not larger than the N50 or sanded on the basis of tissue no larger than 6-th number of grain according to GOST 5009.

Final sweep to smooth the surface of the abrasive cloth is carried out based on paper no larger than 10-th number of grain according to GOST 6456.

7.5 Selection of samples for tensile tests carried out according to GOST 24047.

7.6 Testing of mechanical properties carried out by destructive testing (tensile) according to GOST 1497 or NDT (eddy current) according to GOST 27333 and [4].

7.6.1 Verification of the mechanical properties by the method of destructive testing is carried out on one sample for each test.

The estimated length of the sample set according to the formula l=5d.

7.6.2 Verification of the mechanical properties of eddy current conducting surface profiles after quenching and aging.

7.7 Macrostructure profiles checked for cross microtemplate carved out of sections in the delivery condition.

7.8 Microstructure profiles checked by metallographic methods on one sample cut from the output end of the check profile according to GOST 27637 or eddy current according to GOST 27333 [5].

7.9 the Presence of nitrate test applying to the surface profile in either place drops of 0.5% solution of diphenylamine in sulfuric acid (to the sample 0.5 g of diphenylamine poured 10 cmof distilled water and 25 cmof sulphuric acid of density 1.84 g/cm).

Upon dissolution of diphenylamine solution volume is adjusted to 100 cmby the addition of sulfuric acid. Intense blue drops of solution with 10−15 points to the presence in a given location nitrate. After checking the drop is removed with filter paper and the tested area is washed thoroughly with water and wipe off.

7.10 Control profile ultrasound performed according to the methods agreed between the manufacturer and the consumer. The limits of the defects set in the maps of ultrasonic testing by agreement of the parties.

To determine the quality profile of ultrasonic testing is permitted to use a detail drawing of the customer.

7.11 Testing of dissecting corrosion (RAC) is carried out according to GOST 9.904 and [6].

8 Marking, packaging, transportation and storage

8.1 each accepted profile at the end with the output end or surface profile at a distance of not more than 50 mm from the end of the output end put the stamp with indication of alloy grades, the condition of a material, the symbol or code and profile number, and the mark of the technical control Department of the manufacturer.

When pressing multidimensional additionally it is marked by a number of measures in the compact.

8.2 Temporary corrosion protection, packaging, transportation and storage GOST 9.510.

8.3 Transport marking of packages according to GOST 14192 with an additional label:

— the name of the material;

— grade alloy;

— the condition of the material;

the number or code of the profile;

— the batch number.

Bibliography

[1] OST 5.9466−88 Billet of aluminum alloy. Specifications

[2] OST 1 92014−90* aluminum deformable Alloys. Brand

[3] OST 1 90048−90* aluminum deformable Alloys of high purity. Brand

[4] OST 1 92070.2−78* Alloys aluminum termouprochnenija. Control of mechanical properties of semi-finished products electromagnetic method (eddy current)

[5] OST 1 92070.1−78* Alloys aluminum termouprochnenija. Control of semi-finished products for the absence of burnout electromagnetic method. (Eddy current)

[6] OST 1 92133−2002* Method of determining corrosion resistance of non-heat-treatable aluminum alloys

________________

* Documents are not given. For additional information, please refer to the link. — Note the manufacturer’s database.