Delivery Time:30-50 days
Certification:ASTM，ASME，DIN，JIS，ISO，BS，API，EN

Industrial Steam Turbine Rotor Forging Steel Water Turbine Main Shaft

1, Products:

water turbine main shaft,hydro generator main shaft

2, Products reference

Material	20SiMn,1045,35SiMn,4140
Forging equipment	8000T open die hydropress
Application	Hydro generator can transfer mechanical energy ino electric energy by generator rotor
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 term	Rough machining(N+T)；finish machining(Q+T)
Test equipment	Spectrograph,UT devivce,tensile and compact test machine,metalloscope,outside micrometer,bore dial indicator,hardness test machine
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.

3, Custom properties

Material elements	C	Si	Mn	P	S	Cr	Ni	Mo	Others
20SiMn	0.16-0.22	0.60-0.80	1.00-1.30	≤0.035	≤0.035	≤0.30	≤0.30	--	-
1045	0.42-0.50	0.17-0.37	0.50-0.80	≤0.035	≤0.035	≤0.25	≤0.30	--
4140	0.38-0.43	0.15-0.35	0.75-1.00	≤0.035	≤0.040	0.80-1.10	-	0.15-0.25	--

Mechanical property	Dia.(mm)	TS/Rm(Mpa)	YS/Rp0.2(Mpa)	EL/A5(%)	RA/Z(%)	Type Of notch	Impact energy	HBW
20SiMn	Ø15	≥450	≥255	≥14	--	U	≥39
1045	Ø25	≥600	≥355	≥16	≥40	V	≥39	≤229HBS
4140	Ø10	740~1000	450~850	≥12	≥25	V	≥40	≤250HBS

4, 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

5, Commerce clause

Max weight	50T
MOQ	1PC
Delivery time	30-50 Days
Package	wood pallet,steel frame
Delivery term	FOB;CIF;CFR；DDU；
Payment term	T/T,LC
Type of shipping	By ocean,air

6, Keywords:

Water turbine main shaft is the key parts of hydro electric installation,utilize water power to rotate water turbine,by means of connection of water turbine main shaft,magnet yoke,thrust block,other key components as well.transfter water energy into mechanical energy,If connect generator to water turbine,as water turbine rotate it will generate electric power,meanwhile mechanical energy transfer i