Product Name: 1-5MW Class Direct Drive Double Feed Wind Turbine Main Shaft Application:MW class wind turbine Specifications: Description 1-5MW Class Direct Drive Double Feed Main Shaft for Wind Turbine Material 34CrNiMo6; 42CrMo4 ;42CrMo4+0.3%Ni Material Standard EN10083 Specification 1.5MW,2MW,3.6MW,5MW Or Custom Smelting Process:EAF+LF+VD/VOD+VC MPP: Smelting→Inspection→Ingot→Inspection→Heating→Forging→Inspection→Rough Machining→Inspection→HeatTreatment→Inspection→Semi-Final-Machining →Final Machining→Inspection→Blasting→Inspection →Painting →Inspection→Packing Technics:Forging Ratio>3.5, Strictly In Accordance With EN10228-3; ASME388;DIN;JIS Equipments & Processing Capacity: Smelting 100T EAF;150T VD/VOD;80T ESR;100T Ladle Casting Cart;450T VC. Annual Output 1 Million Tons. Forging 120MN Forging Press;W6*L18*H5M Heating Furnaces;W5*L25*H4M Heat Treatment Furnaces; ø2.6*30M Vertical Furnaces;30MN Straightening Machine. Max 450T Ingot Can Be Forged.Annual Forging Capacity 180 Thousand Tons. Machining L:30*D3.6M Deep Hole Drilling&Boring Machine;260T,D8*H5M Vertical Lathe; D4*L15M/25M,160T Horizontal Lathe;300T,L17.5*W5.8*H5M Milling&Boring Machine; D3M,250T Grinding Machine. Turbine Shaft Processing Capacity:5000pcs/Year Inspection:Approved By CNAS. Advanced Inspection Equipments Including GE SM35XS UT Machine; Swiss ARL 4460 Spectrum; America AXIO Zeiss Microscope; ONH2000 Analyzer;CMT5305 Digital Testing Machine; ZBC2302C Impact Testin Machine, ICP7000 Spectrometer lcp, ONH2000 Analyzer,CMM, etc. Key Customers:GE-Energy,Siemens,Alstom,Hitachi,SMS-Siemag,Danieli,Vestas,Andritz,Howden,TDPS,Sandvik,Thyssenkrupp,U.S.Pipe,PAM,Suzlon,ABB,Dresser-Rand,Electrotherm,etc.