Coupling Steel Power Transmission Shaft Forging 4340 4140 18CrNiMo7-6 4330
Products:
Mining equipment parts,coupling transmission shaft,main shaft,transmission forging,mining machinery forging,shaft tube,extension sleeve,cardan joint
Product reference
| Material | 4340,4140,18CrNiMo7-6,4330 |
|
Forging equipment | 6000T open die hydropress |
| Applications |
Transmission components of mining machinery,transmission and connection function
|
|
Melting process | EF+LF+VD |
|
Production process
|
Forging+heatment+rough machining+Q+T+finish machining |
|
Forging ratio
| ≥3.5 |
|
Applicable standards
| ASTM,ASME,DIN,JIS,ISO,BS,API,EN |
|
Executive
standards
| JB/GB/EN/DIN/JIS/ASME/ASTM/ISO |
|
Certification authority
| ISO,BV,GSG, IST, UL,CTI |
|
Delivery terms
|
Rough machining(N+T);finish machining(Q+T),nitriding quenching |
|
Test machine |
Spectrograph,UT device,tensile and compact device,metalloscope,outside micrometer,bore dial indicator,trilinear coordinate measuring machine,hardness test
|
|
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 | - |
| 4330 | 0.28-0.33 | 0.10-0.35 | 0.85-1.15 | ≤0.020 | ≤0.020 | 0.80-1.10 | 1.10-1.40 | 0.35-0.55 | - |
| 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 properties |
Dia.(mm) |
TS/Rm(Mpa) |
YS/Rp0.2(Mpa) |
EL/A5(%) |
RA/Z(%) |
Type Of notch
Coupling Steel Power Transmission Shaft Forging 4340 4140 18CrNiMo7-6 4330
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