GOST 7511-73
GOST 7511−73 steel sections for window and lantern transoms and window panels of industrial buildings. Specifications (with Amendments No. 1, 2, 3)
GOST 7511−73
Group B22
INTERSTATE STANDARD
STEEL SECTIONS FOR WINDOW AND LANTERN TRANSOMS
AND WINDOW PANELS OF INDUSTRIAL BUILDINGS
Specifications
Steel sections for window and lantern transoms and window panels
of industrial buildings. Specifications
GST 11 0011
Date of introduction 1975−01−01
The decision of the State Committee of standards of Ministerial Council of the USSR from June 29, 1973 N 1644 date of introduction is established 01.01.75
Limitation of actions taken by Protocol No. 4−93 of the Interstate Council for standardization, Metrology and certification (ICS 4−94)
REPLACE GOST 7511−58
EDITION with Amendments No. 1, 2, 3, approved in July 1984, March 1989, October 1990 (IUS 11−84, 6−89, 1−91).
This standard applies to hot-rolled and formed sections, intended for the manufacture of window and lantern transoms and window panels of industrial buildings.
(Changed edition, Rev. N 1, 2).
1. BASIC PARAMETERS AND DIMENSIONS
1.1. Precision profiling curved sections are made:
A — high accuracy;
V — usual accuracy.
(Added, Rev. N 2).
1.1. The size and shape of the cross sections of rolled profiles N 1; 5; 6 should match those in hell. 1, 5, 6.
Damn.1. Profile N 1
Profile N 1
Damn.1
Damn.5. Profile N 5
Profile N 5
Damn.5*
________________
* Hell.2−4. (Deleted, Rev. N 1).
Damn.6. Profile N 6
Profile N 6
Damn.6
1.2. The limiting deviations of dimensions, the cross-sectional area, mass 1 m and reference values of moments of inertia and resistance of hot-rolled profiles shall be as specified in table.1.
Table 1
Profile number |
Limit deviation of profile sizes mm |
The cross-sectional area, cm |
Weight 1 m, kg |
Reference value of the moments of inertia and resistance | |||||
Height |
Thickness |
Width |
|
|
|
| |||
1 |
±1,5 |
+0,3 |
±1,0 |
3,88 |
3,05 |
1,78 |
0,97 |
Of 16.39 |
5,95 |
5 |
±1,0 |
3,63 |
2,85 |
Of 2.88 |
1,28 |
6,69 |
Of 2.09 | ||
6 |
2,42 |
1,90 |
1,17 |
0,67 |
Of 2.66 |
Of 1.07 | |||
Legend to table.1 and 2: — the moment of resistance;
is the moment of inertia.
Example of designation profile N 5:
Profile N 5 GOST 7511−73
1.3. The displacement of the walls relative to the flanges of sections No. 5 and 6 shall not exceed the limit deviations on width of the shelf.
1.1−1.3. (Changed edition, Rev. N 1).
1.4. The slope of the outer face of each shelf for profile N 1 must not exceed 1.5%; the curvature of the wall at the height of the cross section — 0.6 mm; blunting the outer edges of the shelves — 1.2 mm.
1.5. The shape and size of cross sections of cold-formed sections shall be as specified in the hell.7, 8, 10 and 12.
Damn.7. Profile N 7
Profile N 7
Damn.7
Damn.8. Profile N 8
Profile N 8
Damn.8
Damn.10. Profile N 10
Profile N 10
Damn.10*
_______________
* Hell.9 excluded. Izm. N 2.
1.6. The limiting deviations of dimensions, the cross-sectional area, mass 1 m and reference values of moments of inertia and resistance of cold-formed sections 7, 8 and 10 shall be as specified in table.2 and on features.7, 8 and 10.
Table 2
Profile number |
The size and limit deviation, mm |
The cross-sectional area, |
Weight |
Reference value of the moments of inertia and resistance | ||||
normal |
high |
|
|
|
| |||
7 |
- |
35±1,0 |
2,60 |
2,04 |
Of 6.77 |
2,01 |
Of 2.81 |
Of 1.07 |
8 |
10±1,0 |
10±1,0 |
5,52 |
4,33 |
Of 40.45 |
Of 7.38 |
21,96 |
Of 4.52 |
10 |
20 |
20 |
Of 4.66 |
3,66 |
5,60 |
2,15 |
68,50 |
9,63 |
1.5, 1.6. (Changed edition, Rev. N 2).
1.7. Maximum deviations of the sizes, cross sectional area and weight of 1 meter curved profile N 12 shall be as specified in table.3 and the devil.12.
Table 3
Room |
The size and limit deviation, mm |
The cross-sectional area, cm |
Weight 1 m, kg |
12 |
10±1,0 |
2,0 |
1,57 |
Damn.12. Profile N 12
Profile N 12
Damn.12*
________________
* Hell.11. (Deleted, Rev. N 2).
(Changed edition, Rev # 1, 2).
1.8. (Deleted, Rev. N 2).
1.9. The cross-sectional area, mass 1 m and reference values of moments of inertia and resistance are calculated with nominal dimensions. When calculating the mass of 1 m of the profile the density of steel is equal to 7.85 g/cm.
1.10. Hot-rolled profiles manufactured in length from 1.8 m to 10 m, bent — from 4 to 12 m.
1.11. Profiles are made:
the measured length;
multiple of gauging length;
of random length.
By agreement of the parties allowed the production of profiles of limited length within off-gage.
Length of hot-rolled profiles, cut on the presses, is measured without consideration of the crumpled part.
(Changed edition, Rev. N 1, 2).
1.12. In the manufacture of profiles with variable length permitted residue: not more than 10% of the batch weight.
(Changed edition, Rev. N 1).
1.13. Tolerances for length and multiple lengths shall not exceed:
+40 mm for profiles up to 7 m, +5 mm for each meter in excess of 7 m for the high precision cutting;
+80 mm for profiles with a length over 7 m for conventional accuracy of cutting.
(Changed edition, Rev. N 1, 2).
2. TECHNICAL REQUIREMENTS
2.1. General technical requirements — according to GOST 535−88, GOST 11474−76.
2.2. Profiles shall be made of St3kp steel with the chemical composition and the normalized indices for hot rolled profiles 2 category GOST 535−88, for curved profiles — 4 category GOST 16523−97, 2 category GOST 14637−89.
Can be manufactured in sections from steel of other brands.
(Changed edition, Rev. N 3).
2.3. Twisting of hot-rolled profiles are not allowed.
2.4. Twisting cold-formed sections shall not exceed 1° by 1 m.
The total torsion of cold-formed sections shall not exceed the allowable twisting 1m length of profile in meters, but not more than 10°.
2.5. The curvature profiles at 1 m must not exceed:
2 mm hot rolled;
1 mm — for bent.
2.6. Crimp curved profiles on the edges shall not exceed 2 mm per 1 m.
3. ACCEPTANCE RULES
3.1. Rules of acceptance GOST 535−88, GOST 11474−76.
3.2. (Deleted, Rev. N 1).
4. TEST METHODS
4.1. Control of the cross-sectional dimensions of hot-rolled profiles are produced at a distance of 300 mm from the ends, roll-formed profiles at a distance of 300 mm with single-piece profiling and 50 mm during continuous profiling.
4.2.-4.6. (Deleted, Rev. N 1).
4.7. The scheme of measurement of height and width profiles are presented on the devil.13.
(Changed edition, Rev. N 1).
Damn. 13
Damn.13
4.8. Test methods — according to GOST 535−88, GOST 11474−76.
4.9. The geometric dimensions and shape of the profiles is checked using measuring instruments according to the GOST 162−90, GOST 166−89, GOST 427−75 GOST 5378−88, 6507−90 GOST, GOST 7502−98, THE 2−034−228−88.
4.10. The size of the profiles which do not have a limit deviation, the finished profile does not control. They are provided with manufacturing technology.
Control of the thickness of the shelves profile N 1 is the calibers of the rolls.
4.8.-4.10. (Added, Rev. N 1).
5. LABELING, PACKAGING AND TRANSPORTATION
5.1. Packing, marking, transportation and storage — by GOST 535−88, GOST 11474−76.
(Changed edition, Rev. N 1).
5.2. (Deleted, Rev. N 1).
