SU1260407A1 - Carburizing steel - Google Patents

Description

I 1260407; e

The invention relates to metallurgical steel melted in high-frequency, namely, wear-resistant furnace with a main lining,

The cemented knapsack became m, and canOts weighing 0 kg were exposed to be used to produce 1 mogenization at 1,100 ° C for

stamps of well deformation.-5 Yu h, then forged into rods for

The purpose of the invention is to increase the hardness and wear resistance of the surface cemented layer,

making samples.

The chemical composition of the proposed and known steel is given in table. one.

Cementation was carried out in a solid carburizer at 930–950 ° C for 10 hours. Hardening was carried out from, followed by low tempering at 200 ° C for 2 hours.

making samples.

The chemical composition of the proposed and known steel is given in table. one.

Table 1

The wear tests were carried out on the MISH machine according to the slip friction scheme (block-roller).

Mechanical properties and wear resistance of the proposed and known steel are given in Table. 3

table 2

Claims (1)

CEMENT STEEL, containing-; carbon, manganese, silicon, vanadium, nitrogen, calcium and iron, characterized in that, in order to increase the hardness and wear resistance of the surface cemented layer, it additionally contains aluminum and titanium in the following ratio of components, wt.%: Carbon 0.05-0.10 Manganese 3,50-5,00 Silicon 0.30-0.70 Vanadium 0.10-2.00 Nitrogen 0.01-0.03 Calcium 0.02-0.05 Aluminum 0.01-0.10 Titanium 0.03-0.10 m Iron Rest