GOST 12492.7-90
GOST 12492.7−90 Profile for marsh plough cutters for agricultural machines. Assortment
GOST 12492.7−90
Group B22
INTERSTATE STANDARD
PROFILE FOR MARSH PLOUGH CUTTERS
FOR AGRICULTURAL MACHINERY
Assortment
Agricultural machinery. Section for marsh plough cutters. Dimensions
OKP 09 4123
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 12492.12−72
4. 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 profile for marsh plough cutters.
1. Shape, dimensions, limit deviations, the weight of 1 m of the profile, the cross-sectional area shall be as specified in the drawing and in the table.
Steel grade |
The cross-sectional area, cm |
Weight of 1 m of section, kg | The moment of inertia, cm | |
Л53 |
59,38 |
Of 46.61 |
40,25 |
4499,73 |
2. The curvature in the vertical plane should not exceed 0.6% of the length.
3. The curvature in the horizontal plane should not exceed 1.5% of the length.