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20SiMn / 35SiMn / 4140 Water Turbine Generator Shaft Forging DIN Standard
Products:
water turbine main shaft,water power shaft,water turbine generator shaft,electrical machinery,hydraulic machinery,Auxiliary equipment.
Products reference:
| Material | 20SiMn,35SiMn,4140, |
| Forging equipment | 8000T open die hydropress |
| Application | Main core parts of hydro electrical generator,transmission and connection function |
| Melting process | EF+LF+VD |
| Production process | 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 | ISO9001:2008,BV,GSG, IST, UL,CTI |
| Delivery terms | Rough machining(N+T);finish machining(Q+T) |
|
Test machine |
Spectrograph,UT device,tensile and compact machine,metalloscope,outside micrometer,bore dial indicator |
| 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 | |
| 20SiMn | 0.16-0.22 | 0.60-0.80 | 1.00-1.30 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.30 | -- | - |
| 35SiMn | 0.32-0.40 | 1.10-1.40 | 1.10-1.40 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.30 | - | 0.32-0.40 |
| 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 | - |
|
Mechanical property |
Dia.(mm) |
TS/Rm(Mpa) |
YS/Rp0.2(Mpa) 20SiMn / 35SiMn / 4140 Water Turbine Generator Shaft Forging DIN Standard |
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