High Strength Forging Parts Open Die Forging Parts
1. We are one of the leading exporters with a history of more than 20 years, enjoying an excellent reputation and keep a good relationship with many foreign companies, especially in USA, Canada, Russia, Europe and America.
2. Our manufactory has all kinds of the equipments, such as Lathe, CNC, Drilling Machine, Milling Machine, Boring Machine, Planing Machine.
3. We have a large number of the Quality Control Engineers, each of our product is inspected carefully before the shipment.
4. Our forging process is open die forging ,precision forging, die forging
5. We can provide the best service and the competitive price.
6. The delivery time and the package can be controlled according to the customers' requirement completely.
Products reference:
Material | 4340,20CrMnMo,34CrNiMo7-6,18CrNiMo7-6 |
Forging equipment | 4000T open die hydropress |
Application | Mining equipment gear,gear harden,increase strength,suitable high strength gear box |
Melting process | EF+LF+VD |
Production process | Forging+heat treatment+rough machining+QT+hobbing+gear grinding+finish machinig |
Forging ratio | ≥4 |
Applicable standard | ASTM,ASME,DIN,JIS,ISO,BS,API,EN |
Executive standard | JB/GB/EN/DIN/JIS/ASME/ASTM/ISO |
Certification authority | ISO9001:2008,TÜV(BV),(LR),ABS,RINA,(GL),(KR),(DNV),(NK),PED. |
Delivery term | Rough machining(N+T);finish machining(Q+T),ntriding quenching |
Test equipment | Spectrograph,UT device,tensile and compact test machine,metalloscope,outside micrometer,bore dia indicator,trilinear coordinate measuring machine,hardness test machine |
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 |
20CrMnMo | 0.17-0.23 | 0.17-0.37 | 0.90-1.20 | 0.035 | 0.035 | 1.10-1.40 | 0.30 | 0.20-0.30 | 0.17-0.23 |
34CrNiMo6 | 0.30-0.38 | ≤0.040 | 0.50-0.80 | ≤0.035 | ≤0.035 | 1.30-1.70 | 1.30-1.70 | 0.15-0.30 | |
18CrNiMo7-6 | 0.15-0.21 | 0.17-0.35 | 0.50-0.90 | ≤0.025 | ≤0.025 | 1.50-1.80 | 1.40-1.70 | 0.25-0.35 | |
4340 | 0.38-0.43 | 0.15-0.35 | 0.60-0.80 | ≤0.035 | ≤0.040 | 0.70-0.90 | 1.65-2.00 | 0.20-0.30 | - |
Mechanical property | Dia.(mm) | TS/Rm(Mpa) | YS/Rp0.2(Mpa) | EL/A5(%) | RA/Z(%) | Type Of notch | Impact energy | HBW |
20CrMnMo | Ø15 | ≥1180 | ≥885 | ≥10 | ≥45 | V | ≥55 | ≤217HBS |
34CrNiMo6 | Ø15 | 750-900 | 450-600 | ≥13 | ≥55 | V | -40℃≥20 | ≤269HBS |
18CrNiMo7-6 | Ø15 | ≥980 | ≥785 | ≥9 | ≥40 | V | ≥47 | ≤269HBS |
4340 | Ø15 | ≥980 | ≥835 | ≥12 | ≥55 | V | ≥78 | ≤179HBS |
Process procedure:
Forging process flow quality control:
Commerce clause
Max weight | 30T |
MOQ | 1PC |
Delivery time | 30-50 days |
Package | Plywood case,wooden pallet,steel frame |
Delivery term | FOB;CIF;CFR;DDU; |
Payment term | T/T,LC |
Type of shipping | By ocean,air |
Advantage