GOST 12492.10-90
GOST 12492.10−90 is a trapezoidal Profile for a bit of agricultural machinery. Assortment
GOST 12492.10−90
Group B22
INTERSTATE STANDARD
THE TRAPEZOIDAL PROFILE FOR A BIT OF AGRICULTURAL MACHINERY
Assortment
Agricultural machinery. Trapezoidal section for points. Dimensions
OKP 09 4127
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 12492.16−72
4. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS
The designation of the reference document referenced |
Item number |
GOST 535−88 |
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 trapezoidal profile for a bit.
1. Shape, dimensions, limit deviations according to him, the cross-sectional area, weight of 1 m of the profile 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 | |
1 st6sp according to GOST 535 |
10,78 |
8,46 |
9,57 |
10,31 |
2. The asymmetry of the profile size should not exceed ±1.0 mm.
3. 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.