FIELD: metallurgy and machine building. SUBSTANCE: present invention describes automatic alloy steel which comprises carbon, silicon, manganese, chromium, molybdenum, sulfur, phosphorus, iron and bismuth, ratio of components being as follows (wt %): carbon; 0.34-0.40; silicon 0.17-0.37; manganese; 0.60- 0.90; chromium, 0.80-1.10; molybdenum, 0.15-0.25; sulfur 0.008-0.030; phosphorus, 0.008-0.035; bismuth, 0.12-0.20; and iron, the balance. EFFECT: improved machinability of steel by cutting in metal-working industries, higher efficiency and safety in rolling, and improved ecological situation in metallurgical industry. 12 ex, 2 tbl
Title | Year | Author | Number |
---|---|---|---|
AUTOMATIC ALLOY STEEL | 1997 |
|
RU2128726C1 |
AUTOMATIC ALLOY STEEL | 1997 |
|
RU2128727C1 |
AUTOMATIC ALLOY STEEL | 1997 |
|
RU2128724C1 |
AUTOMATIC ALLOY STEEL | 1997 |
|
RU2128725C1 |
AUTOMATIC ALLOY STEEL | 1997 |
|
RU2128722C1 |
FREE-MACHINING ALLOY STEEL | 1997 |
|
RU2132401C1 |
FREE-CUTTING ALLOYED STEEL | 1998 |
|
RU2135624C1 |
FREE-CUTTING STEEL | 1996 |
|
RU2106427C1 |
FREE-CUTTING STEEL | 1998 |
|
RU2135625C1 |
FREE-CUTTING STEEL | 1998 |
|
RU2135626C1 |
Authors
Dates
1999-04-10—Published
1997-08-26—Filed