Description

Thanks to state-of-the-art engineering capabilities and tooling for production, the lead time and launch time for every item is greatly minimized.

We offer flexible conditions on payment terms with regard to the Buyer’s request and condition.

We offer optional delivery of product to the destination including export deliveries.

JSC «Dnepropetrovsk aggregate plant» offers an extensive range of services for thermal and chemical-thermal treatment of components and workpieces from structural steels, tool steels, high-speed steel as well as aluminum alloys. Each stage of the production process is inspected by quality control personnel using specialized control & measuring equipment: hardness-testing machines, optical gages, etc. A variety of sizes, dimensions, shapes and weights of components are acceptable and may be restricted solely by a functional size of the furnace and a necessity to arrange for supplementary equipment and tooling.

Heat treatment is performed with the following equipment:

1. Box electric furnaces (hardening heating, annealing and normalizing);
2. Salt baths (non-oxidation heating for hardening)
3. Salt baths (for heat treatment of components made from high-speed steels type P*8 (EN HS*****1 / HSv*****1; DIN HS*****1 / HS*****1; AFNOR HS*****1)
4. Vacuum furnace (non-oxidation heating + quenching)
5. Electricpit-type (shaft) heating furnaces (tempering of components)
6. Electric low-temperature cabinets with maximum dimensions of working chamber as ***0?***0?***0 mm for ageing treatment of components manufactured from aluminum alloys.
7. Hardening tanks (hardening oils, emulsions, water)

Chemical-thermal treatment for components and instruments

Our enterpriserenders corresponding services in the field of carburization (case-hardening), nitride hardening, sulphidizing of components used in machine-building and tool-making production. Our technological capacities allow surface treatment of various components, tools and equipment made from a wide range of steel grades according to general specifications.
 

1. Carburization inside a box furnace:
   • Environment: solid carburizing agent, maximum muffle dimensions:d***0mm, h***0mm.
   • Material: structural steels *2??3? (AFNOR *0NC*1, *4NC*1 / DIN-WNr *2Ni*4, 1.***2, *4NiCr*0, *4NiCr*4)and *2?2?4? (AFNOR *3NiCr*4 / DIN-WNr 1.***2, *4NiCr*4, X*2Ni5).
   • Carburized layer: 0,4 – 1,2 mm (1,5 – 1,7 mm maximum).
   • Hardness: : >*6 HRc.
2. Nitride hardening inside pit-type (shaft) furnaces:
   • Environment: ammonia (liquid ammonia supplier by drop method).
   • Material: structural steels *0?3??.
   • Nitrationlayer: 0,***0,*5 mm (0,*5 mm).
   • Hardness: >**0 HV; >**0 HV.
3. Sulfidizing in crucible furnaces:
   • Environment: potassium sulphocyanate salts and ammonium rhodanate salts
   • Bowldimensions: d***0?**0mm/8Lof melt;
   • Material: structural steels, machine steels