| Customization: | Available |
|---|---|
| Application: | Wind Turbine |
| Journal Diameter Dimensional Accuracy: | IT01-IT5 |
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| Material elements | C | Si | Mn | P | S | Cr | Ni | Mo |
| 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 |
| 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 |
| 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 |
| Mechanical properties | Dia.(mm) | TS/Rm(Mpa) | YS/Rp0.2(Mpa) | EL/A5(%) | RA/Z(%) | Type Of notch | Impact energy | HBW |
| 34CrNiMo6 | 15 | 750-900 | 450-600 | ≥13 | ≥55 | V | -40ºC≥20 | ≤269HBS |
| 4140 | 10 | 740~1000 | 450~850 | ≥12 | ≥25 | V | ≥40 | ≤250HBS |
| 18CrNiMo7-6 | 15 | ≥980 | ≥9 | ≥40 | V | ≥47 | ≤269HBS |
Detailed Product Description
Material: Steel,Alloy Steel
Size: According to drawings
Heating Treatment: N+T Q+T
Forging Ratio: ≥3.5
Melting Process: EF+LF+VD
Application: Industry
Advantage: Strict Quality Control
Specification:6000T Open Die Hydropress
Material:34CrNiMo6,18CrNiMo7-6,4140
Max power:5MW
Application:Transmission function in main engine box of wind power generator
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: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,outside micrometer,bore dial indicator,hardness test machine
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;
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
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