1045 / 4140 / 70CrMo Heavy Steel Forgings Cylindrical Alloy Steel Forgings
1045 / 4140 / 70CrMo Heavy Steel Forgings Cylindrical Alloy Steel Forgings
Products:
Cylindrical alloy steel forging,such as sleeve, pipe sleeve, roller shell and so on.
Products reference:
| Material | 1045,4140,70CrMo |
| Forging equipment |
6000T open die hydropress |
|
Apply for |
Mining /metallurgrical / rolling mill shell facilities. |
|
Melting process |
LF+EF+VD |
| Process technology |
Forging+heat treatment+rough machining+finish machining |
|
Forging ratio |
≥3.5 |
| Applicable standard |
ASTM,ASME,DIN,JIS,ISO,BS,API,EN |
|
Executive standard |
JB/GB/EN/DIN/JIS/ASME/ASTM/ISO |
|
Certification authority |
ISO,BV,SGS,IST,UL.CTI |
|
Delivery terms |
Rough machining(N+T); finish machining(Q+T) |
|
Test equipment |
Spectrograph, UT device, tensile and compact test machine, metalloscope,external micrometer, bore dial indicator, hardness testing device and so on. |
|
Service |
Our service included the forging, process, heat treatment, finish machining, package, local logistics, customers clearance and maritime transport. We took the customer’s requirements as the principal thing, and pay attention on the products quality. |
Custom properties
| Material elements | C | Si | Mn | P | S | Cr | Ni | Mo |
Others |
| 4140 | 0.38-0.43 | 0.15-0.35 | 0.60-0.90 | ≤0.035 | ≤0.040 | 0.80-1.10 | -- | 0.15-0.25 | - |
| 1045 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.30 | ≤0.25 |
|
Mechainal properties |
Dia.(mm) |
TS/Rm(Mpa) |
YS/Rp0.2(Mpa) |
EL/A5(%) |
RA/Z(%) |
Type Of notch |
Impact energy |
HBW |
| 4140 | Ø10 | 740~1000 | 450~850 | ≥12 | ≥25 | V | ≥40 | ≤250HBS |
| 1045 | Ø25 | ≥600 | ≥355 | ≥16 | ≥40 | V | ≥39 | ≤229HBS |
Forging process flow quality control: Raw material steel ingot into warehouse(test the chemical content)Cutting Heating(Furnace temperture test) Heat treatment after forging(Furnace temperture test) Discharge the furnace(blank inspection)Machining Inspection(UT,MT,Visal diamention, hardness)QT Inspection(UT, mechanical properties, hardness, grain size)Finish machining Inspection (dimension)Packing and Marking(steel stamp, mark)Storage Shipment
Commerce clause
|
Max. length |
2000MM |
|
MOP |
1PC |
|
Delivery time |
30-50 days |
|
Package |
Wood pallet, steel frame support |
|
Delivery terms |
FOB;CIF;CFR；DDU； |
|
Payment terms |
T/T,LC |
|
Type of shipping |
By ocean, air |
Keywords
Cylindrical forging is apply for various areas of machinery. The major item is overlay rolling mill shell that protect roller core with the good weldability. It protect the crush roller when used in the mining machinery as crush sleeve.
Advantage
- High-precision dimensional tolerance;
- Excellent mechanical properties;
- Produce different dimension based on customer’s requirements;
- Advanced manufacture equipments and inspection devices;
- Excellent technical personality;
- Control the production procedure strictly;
- Pay attention on the package protection;
- Quality full service.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.