SU1294871A1

SU1294871A1 - High-speed steel

Info

Publication number: SU1294871A1
Application number: SU853968007A
Authority: SU
Inventors: Михаил Андреевич Баранников; Михаил Михайлович Баранников; Мстислав Григорьевич Морозов
Original assignee: Ростовский-На-Дону Институт Народного Хозяйства
Priority date: 1985-10-23
Filing date: 1985-10-23
Publication date: 1987-03-07

Abstract

Изобретение относитс к металлургии , а именно к составу быстрорежущей стали умеренной теплостойкости , используемой дл изготовлени универсального режущего инструмента. Цель изобретени - повышение механи- ческих и режущих свойств стали. Быстрорежуща сталь дополнительно содержит гадолиний и серу при следующем соотношении компонентов, мас.%; углерод 0,8-0,88; хром 3,8-4,4; вольфрам 5,5-6,5; молибден 5-5,5; ванадий 1,7-2,1; азот 0,06-0,09j сера 0,12- 0,3; гадолиний 0,05-0,3; железо остальное . Использование изобретени позволит повысить стойкость инструмента . 3 табл. to со 4 00 This invention relates to metallurgy, in particular, to the composition of high speed steel of moderate heat resistance, used to make a universal cutting tool. The purpose of the invention is to improve the mechanical and cutting properties of steel. High-speed steel additionally contains gadolinium and sulfur in the following ratio of components, wt.%; carbon 0.8-0.88; chromium 3.8-4.4; tungsten 5.5-6.5; molybdenum 5-5,5; vanadium 1.7-2.1; nitrogen 0.06-0.09j sulfur 0.12-0.3; gadolinium 0.05-0.3; iron else. The use of the invention will improve tool life. 3 tab. to from 4 00

Description

112948712112948712

Изобретение относите к металлур- Экономический эффект достигаетс гии, в частности к стали дл изго- за счет повьппени стойкости инстру- товлени металлорежущего инструмента. Целью .изобретени вл етс повышение механических и режущих свойств 5 стали.The invention relates to the metal-economic effect is achieved, in particular to steel for fabrication due to the durability of tools for metal-cutting tools. The purpose of the invention is to increase the mechanical and cutting properties of steel 5.

мента.cop.

Claims

An invention of high-speed steel containing carbon, chromium, tungsten, molybdenum, vanadium, nitrogen, iron, characterized in that, in order to increase the mechanical and cut their properties

An invention of high-speed steel containing carbon, chromium, tungsten, molybdenum, vanadium, nitrogen, iron, characterized in that, in order to increase the mechanical and cutting properties

The chemical composition of the studied heats of the proposed and known steels and the properties corresponding to them, it additionally contains gadolinium, are given in Table 1-3 (composition 1 - and sulfur in the following ratio is known steel, compositions 3-5 - pre-components, wt,%: steel is lagam, compounds 2 and 6 - steel Carbon 0.80-0.88

with the content of components leaving Chrome 3.8-4.4

beyond the proposed limits).

15

Tungsten

Molybdenum

5.5-6.5 5.0-5.5 1.7-2.2 0.06-0.09 0.12-0.30 0.05-0.30 Else

As can be seen from the table. 2 and 3, the optimal properties of the proposed high-speed steel are achieved with the introduction of sulfur in an amount of 0.12-0.3 and a gadolinium of 0.05-0.3 wt.%.

0.78 0.78 0.80 0.85, 0.88 0.90

3,65,3

3.65.3

3.85.5

4.26.2

4,46,5

4,66,8

1.5

1.5 1.7 1.9 2.1 2.3

63

64.5

57.0 58.0

The economic effect is achieved due to the durability of tools

cop.

it additionally contains gadolinium and sulfur in the following ratio of components, wt,%: Carbon 0.80-0.88

Chrome3.8-4.4

Tungsten

Molybdenum

Vanadium

Nitrogen

Sulfur

Gadolinium

Iron

5.5-6.5 5.0-5.5 1.7-2.2 0.06-0.09 0.12-0.30 0.05-0.30 Else

Table 1

0.05 0.05 0.06 0.07 0.09 0.10

0.05 0.02 0.12 0.05 0.20 0.05 0.30 0.30 0.30 0.45 0.40

Rest

eleven

table 2

3300 3360

0.46 0.51

m / min 1.0

t 1.8 nm 1.08

S 0.4 mm / about 1.20 1.25

1.23

1.15

m / min 1.0

t 1.2 mm 1.15

S 0.1 mm / about 1.21

1.24

1.22

1.17

. , Compiled by V. Brostem Editor N. Lazarenko Tehred I.Popovich Proofreader G. Reshetnik

Order 565/29

Circulation; 605

VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

Production and printing company, Uzhgorod, st. Project, 4

Continued tabl.2i

Table 3

m / min t 1.8 mm S 0.4 mm / rev

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