GOST 8639-82

• gost-8639-82.pdf (378.46 KiB)
  ГОСТ 8639-82

GOST 8639−82 square steel Tubes. Assortment (with Amendments No. 1, 2, 3, 4)

GOST 8639−82

Group В62

INTERSTATE STANDARD

PIPE STEEL SQUARE

Assortment

Square steel tubes. Range

OKP 13 1900
13 4400
13 5100
13 7300

Date of introduction 1983−01−01

INFORMATION DATA

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

DEVELOPERS

V. P. Sokurenko, PhD, eng. Sciences (head of subject); A. B. Petrushevskaya

2. APPROVED AND put INTO EFFECT by decision of the USSR State Committee for standards from 14.04.82 N 1529

3. REPLACE GOST 8639−68

4. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS

5. The expiration time limit is removed by the Resolution of Gosstandart from 07.09.92 N 1125

6. EDITION with Amendments No. 1, 2, 3, approved in June 1987, November 1989, September 1992 (IUS 10−87, 2−90, 12−92)

A Change N 4, put into effect in the territory of the Russian Federation from 01.09.2010 by the Order of Rosstandart on 17.06.2010 No. 96-St

N 4 a change made by the manufacturer of the database in the text IUS N 9, 2010

1. This standard applies to steel pipes seamless hot-deformed and cold-worked, welded pipe, electrically welded cold-drawn, electrically welded gorjachekatanye, as well as pipes made by furnace welding.

(Changed edition, Rev. N 4).

2. The shape and sizes of square pipes shall be as specified in the drawing and in the table.1.

Drawing

Table 1

Notes:

1. The mass computed from the density of steel 7.85 g/cm.

2. Static characteristics of tubes calculated for a =1,5.

3. By agreement with the consumer allowed production of tubes of other sizes.

Examples of symbols

Pipe external size of 40 mm, a wall thickness of 3 mm, a length in multiples of 1250 mm, of steel grade 10, group In GOST 13663−86:

The same dimensional length 6000 mm:

The same random length:

3. Pipes make:

— outer dimensions from 60 to 180 mm with wall thickness from 4.0 to 14.0 mm seamless hot-deformed,

— outer dimensions from 10 to 120 mm with wall thickness from 1.0 to 8.0 mm seamless cold-deformed,

— outer dimensions from 10 to 100 mm with wall thickness from 0.8 mm to 5.0 mm electro-welded and electric-welded cold-deformed,

— outer dimensions of 100 to 180 mm with wall thickness from 4.0 to 14.0 mm welded gorjachekatannyj,

— outer size 40 to 70 mm with wall thickness from 3.0 mm to 5.0 mm by the method of furnace welding.

2, 3. (Changed edition, Rev. N 1, 4).

4. The radius of curvature should be no more than 2.

In coordination with the consumer the radius of curvature should be no more than 1.5; pipe-welded outer dimensions 20x20 mm 25x25 mm with a wall thickness of 1.5 to 2.0 mm and pipes, manufactured by furnace welding, not more than 2.5, for electrically-welded size 60x60x4 mm — 3.

(Changed edition, Rev. N 4).

5. Pipe manufacture:

random length

seamless hot-deformed — from 4 to 12.5 m,

seemless cold-drawn tube is from 1.5 to 11 m,

welded, cold formed electrically welded from 1.5 to 11 m,

welded gorjachekatanye from 1.5 to 14 m

pipe furnace welding is from 4 to 8 m;

lengths

seamless hot-deformed — from 4 to 12.5 m,

seamless cold-drawn from 4.5 to 11 m,

welded, electric-welded, cold-formed, electric-welded gorjachekatanye from 5 to 9 m,

pipe furnace welding is from 4 to 8 m.

Maximum deviation for the total length +100 mm;

the length is a multiple dimensional

seamless hot-deformed — from 4 to 12.5 m with an allowance for each cut to 5 mm,

seemless cold-drawn tube is from 1.5 to 11 m with an allowance for each cut to 5 mm,

welded any multiplicity not exceeding the lower limit of the measuring tubes.

The total length of multiple pipes should not exceed the upper limit of the measuring tubes. The allowance for each of the multiplicity is set to 5 mm (if the other stock is not specified in the order) and is included in every order multiplicity.

(Changed edition, Rev. N 4).

6. Tolerances for outside dimensions, wall thickness and concavity of the sides should not exceed specified in table.2.

Table 2

Note. In coordination with the consumer pipes are made with an offset tolerance on external dimensions and wall thickness. The magnitude of the field offset tolerance shall not exceed the sum of limit deviations, given in table.2.


(Changed edition, Rev. N 1, 4).

7. Raznoshennoy should take the wall for limit deviation for wall thickness.

8. In the cross section of the pipe deviation from straight angle must not exceed ±1,5°.

9. The curvature of tubes shall not exceed 2 mm per 1 m length.

At the request of the consumer pipe is manufactured without changes, the provisions of the curvature are not regulated.

10. (Deleted. Izm. N 1).

11. Technical requirements should correspond to GOST 13663.