FIELD: metallurgy.
SUBSTANCE: details are subject to high-temperature processing in furnace, at that joint to details into furnace it is introduced complex chemical compound of aluminium and chrome with acetylacetone in amount from 5 up to 40 g per m3 of furnace.
EFFECT: scaling prevention, reduction of oxidised near-surface layer depth, reduction of decarbonized layer thickness and loss saving of alloying ingredient in details from steel and alloys.
8 ex, 3 tbl
| Title | Year | Author | Number | 
|---|---|---|---|
| STEEL SPS-430 | 2010 | 
 | RU2434071C2 | 
| METHOD OF PROTECTION OF SURFACE OF PARTS DURING HEATING IN FURNACES | 2013 | 
 | RU2535818C1 | 
| SLAG FOR HEATING AND WELD-DEPOSITING METALS AND ALLOYS | 1997 | 
 | RU2114184C1 | 
| MANUFACTURING METHOD FOR WORK-HARDENED STEEL PARTS WITH COATING AND PRE-COATED SHEETS FOR PRODUCING THESE PARTS | 2013 | 
 | RU2610995C2 | 
| CALIBRATED ROUND MERCHANT SHAPES IN BARS | 2004 | 
 | RU2283875C2 | 
| HIGH-TEMPERATURE STEEL | 0 | 
 | SU1712456A1 | 
| METHOD OF HEAT TREATMENT OF PARTS MADE OF METALS, STEELS AND ALLOYS | 1999 | 
 | RU2186860C2 | 
| METHOD OF PREPARING STEEL ARTICLES SURFACES BEFORE ENAMELING | 0 | 
 | SU1196416A1 | 
| COATING COMPOUND FOR PROTECTION OF STEEL PRODUCTS DURING HEAT TREATMENT | 0 | 
 | SU1675353A1 | 
| ROUND MERCHANT SHAPE MADE FROM MEDIUM-CARBON CHROMIUM-CONTAINING STEEL | 2004 | 
 | RU2285054C2 | 
Authors
Dates
2009-05-10—Published
2007-10-11—Filed