GOST 12492.4-90
GOST 12492.4−90 Profile odnogolosy for agricultural machinery. Assortment
GOST 12492.4−90
Group B22
INTERSTATE STANDARD
PROFILE ODNOGOLOSY FOR AGRICULTURAL MACHINERY
Assortment
Agricultural machinery. One-notched section. Dimensions
OKP 09 4116
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. INSTEAD, GOST 12492.7−72
4. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS
The designation of the reference document referenced |
Item number |
GOST 535−88 |
2 |
GOST 19281−89 |
2 |
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 odnogolosy profile.
1. Precision rolling profile manufactures:
increased accuracy — B;
conventional precision — V.
2. Shape, dimensions, limit deviations according to him, the cross-sectional area, weight of 1 m of the profile, reference values relative to the axes shall be as specified in the drawing and in the table.
Steel grade |
mm |
mm |
mm | ||||||
Nomi — nal- |
Limit deviations for precision manufacturing |
Nomi — nal- |
Limit deviations for precision manufacturing |
Nomi — nal- |
Limit deviations for precision manufacturing | ||||
B |
B |
B |
B |
B |
B | ||||
Ст3сп3 |
120 |
+2,0 |
- |
15 |
+0,5 |
- |
10 |
+0,5 |
- |
Ст5сп2 according to GOST 535 |
140 |
+2,0 |
+0 |
15 |
+0,5 |
+0 |
10 |
+0,5 |
+0 |
For 09G2S GOST 19281 |
140 |
+2,0 |
- |
13 |
+0,5 |
- |
8 |
+0,5 |
- |
Steel grade |
The cross-sectional area, cm |
Weight of 1 m rolled, kg |
The moment of inertia, cm | ||
Ст3сп3 |
Of 8.21 |
12,25 |
Of 9.61 |
1,71 |
145,14 |
Ст5сп2 according to GOST 535 |
8,46 |
14,25 |
11,19 |
1,93 |
229,80 |
For 09G2S GOST 19281 |
7,46 |
11,45 |
9,0 |
1,20 |
184,07 |
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.
The text of the document is verified by:
the official publication of the
Steel. Profiles: Sa. Standards. -
M.: IPK Publishing house of standards, 2003