SU1203124A1 - Steel - Google Patents

Description

one

The concept relates to metal rifi in particular to steels, which can be used for the manufacture of cold deformed iiHJi when pressing cylindrical. izpolny like glass from high-strength; 1K s. that l her

The purpose of the invention was the highest of ncKjnc j-oiiKOCTH and mechanical; properties of predr.r.a.my with tali.,

The chemical composition of the investigated bottoms of the proposed and known steels is given in the table., Their equipment ™ in table 2,

Mechanical properties of the proposed IT known steels are examined

Offered - steel 1 0.5 0.6 1.5, 9 IsO 0.8 O ,. 08

0.6 0.9 0.7 1.2

1.75 2.05 2.0 2.2

1 0.01 0.04 1.4, 0.003 Oj03 0.1 0.02 Ostap20, 0150.0651.6 0.0050.06 0.16 0.07

30.03 0.09 1.8 0.008 0.09 0.22 0.12

031242

after quenching in oil (austenitized 1070 ° C., lining 2.5 hours) and three times high tempering (tempering temperature :: 56Q ° C, duration of tempering 2 h) “We offer steel with high hardening quality, impact toughness, compressive strength, high wear resistance - bone and intensity factor

ten

voltage:

The economic effect is achieved due to the durability of the tool of the proposed steel, 1

Table 1

1.1 0.65 0 / t, 4 0.12

Known steel 1.8 0.8 0.3 1.9 0.9 0.35 2.0 1.0 0.4

Continued Table 1

40.03 0.7

50.04 0.77 60, 05 0.85

Hardness

NES

Compressive Strength & g MPa

We offer steel

623900920

633930900

643960880 Known steel

60.7 3000630

61.4 3020600

63 - 3040380

Redak to N.Yatsola

Compiled by V. Brostrom

Tehred M.NadKorrektor E.Roshko

Order 8388/32 Circulation 582 Subscription

VNIIPI USSR State Committee

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

Branch PSh1 Patent, Uzhgorod, Proektna St., 4

table 2

s

Voltage intensity factor K, C, kgf / mm

Wear (mass loss), g

9.4 8.2 7.0

18.4 15.8 13.7

Claims (1)

STEEL containing carbon, silicon, manganese, chromium, molybdenum, tungsten, vanadium, titanium, nitrogen, aluminum and iron, characterized in that, in order to increase wear resistance and mechanical properties, it additionally contains nickel, boron, magnesium , cerium and barium in the following ratio of components, wt.%: Carbon 0.5-0.7 Silicon 0.6-1.2 Manganese 1.5-2.0 Chromium 1.9-2.2 Molybdenum 1.0-1.6 Tungsten 0.8-1.4 Vanadium 0.4-0.9 Titanium 0.08-0.12 Nitrogen 0.01-0.03 Aluminum 0.04-0.09 Nickel 1.4-1.8 Boron 0.003-0.008 FROM Magnesium 0.03-0.09 ω Cerium 0.10-0.22 Barium 0.02-0.12 g— Iron Rest World Cup "H to 00 No.