34CrNiMo6 / 18CrNiMo7-6 / 4140 Heavy Steel Forgings Wind Turbine Main Shaft

Brand Name:HUIXUAN
Certification:ISO9001:2008,BV,SGS,IST,UL.CTI
Model Number:Wind Power Tubine Shaft
Minimum Order Quantity:1
Delivery Time:20-40 days
Payment Terms:L/C, T/T
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Address: A 509,HuaJian Mansion,Zhangjiagang City,JiangSu Province,China
Supplier`s last login times: within 26 hours
Product Details Company Profile
Product Details

34CrNiMo6 / 18CrNiMo7-6 / 4140 Heavy Steel Forgings Wind Turbine Main Shaft ​


Products:

wind power main shaft/shaft, wind power tubine shaft, coupling, main shaft forging, wind power forging and alloy steel shaft.


Products reference:


Material


34CrNiMo6,18CrNiMo7-6,4140


Max. power


5MW


Apply for


Its used in wind power generator box play the role of transmission. The turning fan drive the main shaft, and ganged the speed changer.


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


ISO9001:2008,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

CSiMnPSCrNiMo

Others

34CrNiMo60.30-0.38≤0.0400.50-0.80≤0.035≤0.0351.30-1.701.30-1.700.15-0.30
41400.38-0.430.15-0.350.60-0.90≤0.035≤0.0400.80-1.10--0.15-0.25-
18CrNiMo7-60.15-0.210.17-0.350.50-0.90≤0.025≤0.0251.50-1.801.40-1.700.25-0.35


Mechainal properties


Dia.(mm)


TS/Rm(Mpa)


YS/Rp0.2(Mpa)


EL/A5(%)


RA/Z(%)


Type Of notch


Impact energy


HBW

34CrNiMo6Ø15750-900450-600≥13≥55V-40℃≥20≤269HBS
4140Ø10740~1000450~850≥12≥25V≥40≤250HBS
18CrNiMo7-6Ø15≥980≥785≥9≥40V≥47≤269HBS

Process procedure:

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. weight


35T


MOQ


1PC


Delivery time


30-50 days


Package


Poly wood case, wood pallet, steel frame support


Delivery terms


FOB;CIF;CFR;DDU;


Payment terms


T/T,LC


Type of shipping


By ocean, air


Keywords

It is widely used in wind site, ocean wind power and other green energy resource with high mechanical properties requirements for wind power main shaft. It is suitable for various of wind power shafts.


Features

  • Produce different dimension based on customer’s requirements;
  • Advanced manufacture equipments and inspection devices;
  • Excellent technical personality;
  • Control the production procedure strictly;
  • High-precision dimensional tolerance;
  • Excellent mechanical properties;


China 34CrNiMo6 / 18CrNiMo7-6 / 4140 Heavy Steel Forgings Wind Turbine Main Shaft supplier

34CrNiMo6 / 18CrNiMo7-6 / 4140 Heavy Steel Forgings Wind Turbine Main Shaft

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