Plain and stepped shafts, rings, semi-couplings, axles, flanges, cold and hot rolls, die blocks, cylinders, rims, gears, rings, plates are forged by forging equipment. Forging standard technical specification is according to GOST 8479-70.
All forgings are heat-treated (annealing and normalizing). The forgings are made from metal melted by the Works or by the Customer.
Forgings classification
|
№ |
Forgings name |
Forgings type |
Max and min forging dimensions, mm |
Max mass, t |
|---|---|---|---|---|
|
1. |
Smooth, round and rectangular section |
|
D=100-850 A=100-1200 B=50-750 L=1000-8000 |
12,0 |
|
2. |
Stepped and flanged round section |
|
D=100-850 L=1000-8000 |
12,0 |
|
3. |
Solid and holed gear wheels |
|
D=200-1300 d=100-550 H=80-800 |
8,5 |
|
4. |
Solid and holed disks |
|
D=600-1500 d=80-550 H=100-350 |
6,0 |
|
5. |
Rings |
|
D=250-2500 H=80-900 |
6,0 |
|
6. |
Holed cylinders |
|
D=400-1000 d=150-700 L=1000-3000 |
10,0 |
|
7. |
Forged cubes |
|
A=150-700 B=200-900 L=250-2000 |
10,0 |
|
Steel grades used for forgings manufacture: |
||
|---|---|---|
|
Ст. 20, 25, 35, 45, 50 |
– |
GOST 1050-88 |
|
20Г, 35Г, 45Х, 40ХН, 35ХМ, 12ХНЗА, 20ХНЗА, 30ХГС |
– |
GOST 4543-71 |
|
5ХНМ, 9Х1, 5ХВ2С, ХВГ, 90ХФ |
– |
GOST 5950-73 |
|
20Х13, 30Х13, 12Х18Н10Т |
– |
GOST 5632-72 |
|
7Х2СМФ, 9Х2, 9Х2МФ |
– |
OST 24.013.20-90 |
|
45ХНМ, 50ХН, 60ХН |
– |
OST 24.013.21-85 |
|
Electric furnace melted steel |
||