GOST 20312-90
GOST 20312−90 carbide brazed Plate type 51. The design and dimensions
GOST 20312−90
Group 56
INTERSTATE STANDARD
PLATE BRAZED CARBIDE
TYPE 51
The design and dimensions
Hard metal brazed tips, type 51.
Design and dimensions
ISS 77.160
OKP 19 6000
Date of introduction 1993−07−01
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 20312−82
4. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS
The designation of the reference document referenced |
Item number |
GOST 2209−90 |
5 |
GOST 25393−90 |
3 |
5. REISSUE
1. This standard applies to inserts for cutting tools for grooving under the packing rings.
2. The design and dimensions of plates shall be as specified in the drawing and in the table.1.
________________
* Dimensions for molds.
Table 1
Dimensions in mm
Marking plates |
The additional use of |
Application by special order | ||||
51010 |
14 |
7,0 |
4,5 |
3 |
N 2, N 4, N 10 |
N 9 |
51030 |
16 |
8,5 |
5,5 |
4 |
N 2, N 4, N 10 |
N 9 |
51050 |
18 |
10,0 |
6,5 |
N 2, N 4, N 10 |
N 9 | |
51070 |
20 |
11,0 |
7,5 |
5 |
N 2, N 4, N 10 |
N 9 |
51090 |
22 |
13,0 |
9,0 |
6 |
N 2, N 4, N 10 |
N 9 |
51110 |
26 |
15,0 |
10,0 |
N 2, N 4, N 10 |
N 9 | |
51130 |
28 |
16,5 |
11,0 |
7 |
N 2, N 4, N 10 |
N 9 |
51150 |
30 |
19,0 |
13,0 |
N 2, N 4, N 10 |
N 9 |
3. The symbol plates — according to GOST 25393.
4. Approximate weight plates provided in the application.
5. Technical requirements — GOST 2209.
6. Applicable grades: N 2 — T15K6; N 4 — Т5К10; N 9 — VK6; N 10 — VK8.
APP
Reference
Table 2
Approximate weight plates
Marking plates | Rough weight of a plate g of hard alloy grades | |||
T15K6 |
Т5К10 |
VK6 |
VK8 | |
51010 |
2,22 |
2,52 |
2,94 |
2,90 |
51030 |
4,15 |
4,71 |
5,50 |
5,42 |
51050 |
5,64 |
6,40 |
Of 7.45 |
Of 7.37 |
51070 |
9,00 |
10,20 |
11,90 |
11,80 |
51090 |
14,20 |
16,10 |
18,70 |
18,50 |
51110 |
19,50 |
22,10 |
25,80 |
26,50 |
51130 |
Of 27.00 |
30,60 |
35,70 |
35,20 |
51150 |
33,90 |
38,40 |
44,80 |
44,30 |