RU2002103562A

RU2002103562A - Steel

Info

Publication number: RU2002103562A
Application number: RU2002103562/02A
Authority: RU
Inventors: Юрий Алексеевич Федченко; Олег Владимирович Могильников; Николай Васильевич Робозеров; Виктор Иванович Сулацков; Сергей Иванович Шахмин; Владимир Сергеевич Сударенко
Original assignee: Открытое акционерное общество специального машиностроения и металлургии "Мотовилихинские заводы"
Filing date: 2002-02-08
Publication date: 2003-12-10

Claims

1. Steel containing carbon, manganese, silicon, chromium, nickel, copper, iron, characterized in that it additionally contains molybdenum, vanadium, aluminum, boron, calcium in the following ratio of ingredients, wt.%:

Carbon 0.10-0.16

Manganese 0.5-0.8

Silicon 0.8-1.1

Chrome 0.6-0.9

Nickel 0.5-0.8

Copper 0.4-0.6

Molybdenum 0.10-0.20

Vanadium 0.02-0.07

Boron 0.001-0.004

Aluminum 0.02-0.06

Calcium 0.001-0.005

Iron Else

with the following relations

and

where V is the content of vanadium, wt.%;

C is the carbon content, wt.%;

Ca - calcium content, wt.%;

A1 - aluminum content, wt.%.

2. Steel according to claim 1, characterized in that the content of the ingredients satisfies the ratios

and

A1 = 10V + 0.01,

where B is the boron content, wt.%.