GOST 12492.6-90
GOST 12492.6−90 Profile strip towpath for agricultural machinery. Assortment
GOST 12492.6−90
Group B22
INTERSTATE STANDARD
PROFILE STRIP TOWPATH
FOR AGRICULTURAL MACHINERY
Assortment
Agricultural machinery. Ribbed bar strip section. Dimensions
OKP 09 4118; 4119 09
Date of introduction 1991−01−01
INFORMATION DATA
1. DEVELOPED AND INTRODUCED by the Ministry of metallurgy of the USSR
2. APPROVED AND put INTO EFFECT by Decision of the USSR State Committee on management of quality and standards from
3. REPLACE GOST 12492.9−72
4. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS
The designation of the reference document referenced |
Item number |
GOST 4543−71 |
1 |
5. Limitation of actions taken by Protocol No. 7−95 Interstate Council for standardization, Metrology and certification (ICS 11−95)
6. REISSUE
This standard applies to hot-rolled strip towpath profile.
1. Shape, dimensions, limit deviations according to him, weight of 1 m of the profile shall be as specified in the drawing and in the table.
— with the direction on the right helical lines, with the direction left helix
The coordinates of the center of gravity, mm | The moment of inertia, cm | ||||||||
Steel grade | Weight of 1 m of section, kg | Excluding ribs | The maximum height of the rib |
Excluding ribs | The maximum height of the rib | ||||
50G according to GOST 4543 |
3,34 |
3,43 |
21,34 |
Of 6.94 |
19,6 |
4,07 |
0,13 |
7,64 |
Of 1.07 |
Note. By agreement between the consumer and the manufacturer is allowed to produce profiles with a unilateral tolerance on width is ±2 mm.
2. The curvature of the profile in the vertical and horizontal planes should not exceed 0.5% of the length. At the request of the consumer profiles are produced with a curvature of no more than 0.2% of the length.