GOST 5005-82

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  ГОСТ 5005-82

GOST 5005−82 Pipe steel cold formed electrically welded to the propeller shafts. Specifications (with Change No. 1)

GOST 5005−82

Group В62

INTERSTATE STANDARD

STEEL ELECTRIC-WELDED PIPES, COLD-FORMED
FOR PROPELLER SHAFTS

Specifications

Steel electrically welded cold-deformed tubes for cardan shafts.
Specifications

OKP 13 7300

Date of introduction 1983−07−01

INFORMATION DATA

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

DEVELOPERS

M. M. Bernstein (chair); A. N. Ivshin; K. I. Sabater; F. D. Davydov; L. E. Drobot

2. APPROVED AND put INTO EFFECT by Decision of the USSR State Committee for standards from 29.09.82 N 3827

3. The frequency of inspection — 5 years

4. REPLACE GOST 5005−65

5. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS

6. Limitation of actions taken by Protocol No. 3−93 Interstate Council for standardization, Metrology and certification (ICS 5−6-93)

7. EDITION with Change No. 1, approved in December 1987 (IUS 4−88)


This standard applies to steel cold formed electrically welded pipes for propeller shafts of automobiles, tractors and machinery.

1. ASSORTMENT

1.1. Depending on manufacturing precision tubes manufactured:

wall thickness

ordinary precision;

high accuracy — P;

the curvature

ordinary precision;

high accuracy — P;

high precision — V.

1.2. The pipe dimensions shall be as specified in table.1.

Table 1

mm

Note. Pipe, in brackets, are made by agreement between manufacturer and consumer.

1.3. The length of the pipe manufacture:

dimensional

from 284 mm to 7000 mm — internal diameter up to 71 mm;

from 4000 to 8000 mm — with internal diameter of more than 71 mm;

multiple of fixed lengths within the random with an allowance for each cut is 5 mm, which is included in each of the ordered multiplicity;

random

from 284 up to 8500 mm.

1.3.1. Deviations on length of pipes shall not exceed:

+3.0 mm — for tubes with high quality;

+4.0 mm — for pipes of internal diameter up to 82 mm;

+10 mm for pipes of ordinary quality with inner diameter of 82 mm., the maximum deviations along the length of multiple pipes should not exceed +10 mm.

1.3. 1.3.1. (Changed edition, Rev. N 1).

1.4. Tolerances for pipe sizes shown in table.2 and 3.

Table 2

mm

Table 3

mm

Note. Pipe with a diameter of 82 mm high precision manufactures.

1.4.1. In coordination with the consumer pipes can be manufactured with an offset tolerance of diameter and wall thickness. The magnitude of the field offset tolerance shall not exceed the amount of bilateral deviations.

1.5. The roundness at the inner diameter of tubes of high quality should be within half of the tolerance field on the inside diameter; roundness at the inner diameter of pipes of ordinary quality — tolerance limits on inside diameter.

1.4−1.5. (Changed edition, Rev. N 1).

1.6. Raznoshennoy tubes should not exceed half the tolerance on wall thickness for pipes with wall thickness up to 2 mm; 0,12 mm — for pipes with wall thickness more than 2 mm.

Raznoshennoy pipes of high accuracy, a wall thickness of more than 2 to 2.5 mm inclusive, shall not exceed 0.10 mm.

The requirement of raznoshennoy does not apply to the area removed the inner Burr.

1.7. The deviation from straightness of the pipe anywhere on the pipe length of 1 m should be no more than:

0.4 mm — for tubes with normal accuracy;

0.25 mm — for pipes with improved accuracy;

0.15 mm — for tubes with high precision.

Straightness of pipes with a length less than 1 m established by agreement between manufacturer and consumer pipes.

High precision pipe for straightness produce length up to 2 m wall thickness less than 2.5 mm.

1.7.1. The deviation from straightness of tubes should be one-way throughout the length of the cut pipe going to the manufacture of one of the propeller shaft.

Examples of symbols

Pipe standard-accuracy wall thickness, internal diameter (EXT) 82 mm, with a wall thickness of 2.5 mm, a length of multiples of (cu) 1600 mm of steel grade 20:

Pipe 82 внх2,5х1600 cu-20 GOST 5005−82

The same random length:

Pipe 82 внх2,5−20 GOST 5005−82

Pipe high precision in wall thickness and increased accuracy in straightness, inner diameter (EXT) 71 mm, wall thickness of 1.8 mm, length 1400 mm, of steel grade 15:

Pipe 71 внх1,8Пх1400 P-15 GOST 5005−82

The same multiple of the length of 1000 mm:

Pipe 71 внх1,8Пх1000 P kr-15 GOST 5005−82

Tube high accuracy of wall thickness and high accuracy in straightness, inner diameter (EXT) 71 mm, wall thickness of 1.8 mm, length 1400 mm, of steel grade 15:

Pipe 77 внх1,8Пх1400 In-15 GOST 5005−82

(Changed edition, Rev. N 1).

2. TECHNICAL REQUIREMENTS

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

Tubes made of steel grades 08KP, 10, 15 and 20 to GOST 1050 wall thickness up to 3 mm of steel grade 20 wall thickness over 3 mm.

Pipe wall thickness up to 3,5 mm inclusive manufactured from cold-rolled strip, more than 3.5 mm from hot rolled strips.

At the customer’s request pipes of steel grade 20, thickness of 4 mm are made from cold-rolled strips.

2.2. On the surface of the pipe are not allowed cracks, sunsets, deep risks, arson and lack of penetration.

For pipes of higher quality allowed small scratches, risks, dents, if they do not take wall thickness limit deviation and if their depth does not exceed:

0.05 mm — for pipes with wall thickness up to 2 mm;

0,08 mm — for pipes with wall thickness of more than 2 to 3 mm inclusive.

For pipes of wall thickness up to 3 mm inclusive fine scratches, risks, dents are allowed if they do not take wall thickness limit deviation and if their depth does not exceed half the tolerance on wall thickness.

For pipes with wall thickness more than 3 mm, these defects should not display wall thickness for maximum deviations.

The pipe allowed a small burned-on food emulsions in the form of points.

2.3. The pipe ends must be cut at right angle (90±2)° and must not have burrs, dings and rollings.

The slight dulling of the edges.

2.4. The outer and inner surface of the pipe burrs should be removed. For pipes of high quality wall thickness in place of the removed burrs must be within the tolerance on wall thickness.

For pipes of ordinary quality a higher positive tolerance on the wall thickness more than 0.03 mm in place of removing the Burr.

2.5. Mechanical properties of metal pipes shall conform to the requirements specified in table.4.

Table 4

Notes: 1. For pipes of high quality, made of steel grade 15, the yield strength shall be not less than 440 N/mm(45 kgf/mm).

2. On demand of the consumer is allowed to change the ratio of strength and elongation while maintaining the established standards of the yield strength.

2.1−2.5. (Changed edition, Rev. N 1).

2.6. All pipes shall withstand hydraulic test pressure specified in GOST 3845, when permitted by the voltage equal to 70% of the yield strength but not more than 30 MPa (300 kgf/cm).

At customer’s request, tubes with a diameter of 45, 55 and 71 mm wall thickness up to 2,5 mm inclusive shall withstand hydraulic pressure when the permitted voltage equal to 85% of the yield strength but not more than 35 MPa (350 kgf/cm).

2.7. The pipes should withstand the test distribution is not less than 6% of the original diameter.

2.8. Pipe shall withstand without permanent deformation the torsion test at torque (), kgf/m, determined by the formula

,

where is the yield strength in torsion, kgf/mm, equal to 0.56 ;

 — yield strength in tension specified in table.4;

- nominal diameter of pipe, mm;

- outer diameter of pipe when nominal diameter and the minimum permitted for a given pipe size wall thickness (including a minus tolerance), mm.

2.9. (Deleted, Rev. N 1).

3. ACCEPTANCE RULES

3.1. Pipes take by the parties.

The party should consist of pipes of the same size in diameter and wall thickness, the same steel grade, the same class accuracy, the measuring tubes of the same length and be accompanied by one document on quality according to GOST 10692 with the addition of a chemical composition in accordance with the document on the quality of the tape.

The number of pipes in the lot shall be not more than 400 pieces for pipes of internal diameter up to 71 mm and not more than 200 PCs — for tubes with internal diameter exceeding 71 mm.

For pipes of length less than 2 m number of pipes per batch is doubled.

3.2. Checking the correctness of dimensions and surface quality of the pipes with the requirements of this standard are subjected to each pipe.

By agreement with the consumer allowed statistical control methods of pipe sizes.

3.3. In case of doubt the chemical composition of the metal from the party taken one pipe.

3.4. Check on conformity of paragraph 2.6 is subjected to each pipe.

3.5. To check the mechanical properties and on the distribution of take two pipes from the party.

3.6. If you are in doubt in the absence of incomplete penetration in the weld is allowed further metallographic examination of the weld, which take one tube from the party.

3.7. At the request of the consumer in the technological process, the weld seam of every pipe is subjected to non-destructive control methods.

3.6, 3.7. (Changed edition, Rev. N 1).

3.8. If unsatisfactory test results of at least one of the indicators it is carried out re-testing at twice the sample tubes.

The results of repeated tests apply to the entire party.

4. TEST METHODS

4.1. From each selected batch of pipe cut one sample for each test.

4.2. Inspection of pipes is carried out visually. The depth of the defects monitored via their removal by Stripping.

4.3. The thickness of the wall, raznoshennoy measured with a micrometer according to GOST 6507 or santomera according to GOST 11358 both ends of the pipe. Right angle trim is provided by the design of the equipment.

Roundness within a tolerance checking gauges according to GOST 2015. In the manufacture of pipe ovality is not more than half of the tolerance on inner diameter ovality test indicator caliper according to GOST 868 at a minimum distance from the pipe end.

The length of the pipe measure tape according to GOST 7502.

(Changed edition, Rev. N 1).

4.4. The tensile test is carried out according to GOST 10006 on samples in the form of a strip cut along the pipe axis. Samples of experience in nevirapine.

4.5. Test distribution is carried out according to GOST 8694 a mandrel with a taper of 1:10.

4.6. Pipe subjected to a hydraulic test according to GOST 3845 with time under pressure of not less than 5 s.

4.7. Chemical analysis carried out according to GOST 22536.0 to GOST 22536.6, sampling — according to GOST 7565.

4.8. The deviation from straightness of tubes is determined by using a calibration line according to GOST 8026 or GOST 12815 and probe according to ND.

(Changed edition, Rev. N 1).

4.9. Test tubes in torsion according to GOST 12501 and fatigue in torsion according to the agreed between the manufacturer and the consumer methodology the consumer.

4.10. Metallographic examination of the fusion welded joints carried out at the macro — and micro-sections made in the transverse direction by the method agreed between the consumer and manufacturer.

(Changed edition, Rev. N 1).

4.11. Control of the weld non-destructive methods is carried out according to the procedure agreed between the consumer and the manufacturer.

5. MARKING, PACKAGING, TRANSPORTATION AND STORAGE

5.1. Marking, packaging, transportation and storage — by GOST 10692.

5.2. For protection against corrosion tubes should be covered with preservation grease according to GOST 20799 or other grease can be easily removed in alkaline solutions and do not interfere with the protective coating.

(Changed edition, Rev. N 1).