GOST 25400-90

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  ГОСТ 25400-90

GOST 25400−90 Plate brazed carbide type 21. The design and dimensions

GOST 25400−90

Group 56

INTERSTATE STANDARD

PLATE BRAZED CARBIDE
TYPE 21

The design and dimensions

Hard metal brazed tips, type 21.
Design and dimensions

ISS 25.100
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 31.10.90 N 2762

3. REPLACE GOST 25400−82

4. The standard fully complies ST SEV 130−74 and ST SEV 131−74

5. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS

6. REISSUE

1. This standard applies to plate for end and keyway end mills, core drills when machining blind holes and Cakovec.

2. The design and dimensions of plates shall be as specified in the drawing and in the table.

________________
* Dimensions for molds.

** Size for reference.

Table 1

Dimensions in mm

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* Consistent with the original. — Note the manufacturer’s database.

Note. Plate with a high degree of accuracy, designed for soldering in the grooves, are made on special order.

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 3 — Т14К8; N 4 — Т5К10; N 7 — ВК3-M; N 8 — VK6-M; VK6-OM; N 9 — VK6; N 10 — VK8; N 11 — ВК10-HOM.

APP
Reference


Table 2

Approximate weight