4140 4130 4340 Water Turbine Generator Forged Steel Shafts DIN Standard

• Application: Machinery, Marine
• Hardness: Hardened Tooth Surface
• Gear Position: External Gear
• Manufacturing Method: Forging
• Toothed Portion Shape: Double Helical Gear
• Material: Cast Steel
• Model NO.: shafts 001
• Type: Bevel Gear
• Main Mateirals: Carbon Steel, Stainless Steel and Alloy Steels
• International Standards: ASME, JIS, DIN, GB, BS, En, as, SABS
• Customization: Provided
• Material Forging: 20crmo Steel
• More Material: 42CrMo4,20crmnmo
• Free Forge: Precision Forging Processing
• Open Die Forging: Forced Machinery Components
• More Choose: 18crnimo7-6, 20crni2mo, 30crnimo8
• Lead Time: 30 Days
• Wheel Forging Diameter/Weight: 1.9m/9t
• Transport Package: Sea Shipping
• Specification: 9-12 Ton
• Trademark: Tiangong
• Origin: China
• HS Code: 7326191000
• Production Capacity: 38, 000 Tons

Product Description

Products: 4140 4130 4340 Water Turbine Generator Forged Steel Shafts DIN Standard

ISO certificated china manufacturer Wind turbine main shaft for wind generator shaft

18CrNiMo7-6 20CrMnMo 42CrMo 35CrMo Shaft Roll , Forged Steel Shafts Machinery Parts
 

Material	4140,4130,18CrNiMo7-6,4340,4330,1.7225
Forging equipment	5 Ton, 8 Ton, 12 Ton open die hydropress
Apply for	Transmission main shaft is used for driving force
Melting process	LF+EF+VD
Process technology	Forging+heat treatment+rough machining+finish machining
Forging ratio	≥3
Applicable standard	ASTM,ASME,DIN,JIS,ISO,BS,API,EN
Executive standard	JB/GB/EN/DIN/JIS/ASME/ASTM/ISO
Certification authority	ISO9000, TÜV, BV, LR, ABS,RINA, GL, KR, DNV, NK, PED
Delivery terms	Rough machining(N+T); finish machining(Q+T)
Test equipment	Spectrograph, UT device, tensile and impact 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.

 

Our factory: 
A. More than 25 years of professional free forging and open-die forging manufacturing experience
B. The company covers an area of 71,000 square meters
C. The construction area of the production workshop is 12,000 square meters
D. Total number of employees: 158
E. 28 engineering and technical personnel
F. 59 skilled workers
G. Annual production capacity is 38,000 tons
H. Annual raw material steel throughput turnover reaches 56,000 tons

 

Advantage

1. High-precision dimensional tolerance;
2. Excellent mechanical properties;
3. Produce different dimension based on customer's requirements;
4. Advanced manufacture equipments and inspection devices;
5. Excellent technical personality;
6. Control the production procedure strictly;
7. Pay attention on the package protection;
8. Quality full service  

 

Our Forged Steel Products
Tiangong Forging supplies a variety of semi-finished forged steel products, with the main materials being nickel-molybdenum steel, alloy steel, die steel, stainless steel and carbon steel. In addition to general steel grades such as 35#, 45#, 42CrMo, 42CrMo4, 18CrNiMo7-6, 20CrNi2Mo, 30CrNiMo8 and etc., we can also prepare the required steel according to other national specifications or specified alloy compositions requested by customers.

The maximum production shaft forging length/weight is 12m/15T; the maximum gear and wheel forging diameter/weight is 1.9m/9T.
We are particularly specialized in the forging of special-shaped forging parts.

4130 4140 42CrMo4 4340 C45 4330 Forged Hollow Shaft Hollow Bar Forged Hollow Axle Heat Treatment Machining

 

Material:Carbon steel,alloy steel and stainless steel

Max length:3000mm

Max weight:15000kg

Heat treatment: N,N+T,Q+T or as customer's requirement

Report:3.1 Certificates,UT report,Material report or others.

steel hot forging raw forging gear shaft 

What is a forged blank?

Forged blanks refer to parts blanks made by hot forging process. The forging force can change the shape, size and mechanical properties of the steel blanks. After hot forging, the forged blanks can achieve fine grains and dense structure, and can withstand various heat treatment strengthening processes. Thus, forged blanks are suitable for manufacturing important mechanical parts that need to withstand large tensile stress and bending stress, and have impact loads or large pulsating stress. Usually, the forged steel blanks are made up of carbon steel or alloy steel. We would get the final mechanical parts by the heat treatment and machining the forged blanks.

 

Description	Steel hot forging raw forging gear shaft        Forged Gear Blank Wheel and Pulley Forged Shaft Hollow Shaft Crankshaft Multi-stepped Shaft Various forged blank and block  Special-shaped Forging Parts
Type	Free forging.
Application	Wind power Transformisson system , machinery and other industry
Processing	Forging+machining+heating Treatment
Material	steel SAE 4340, 4140,C45,42CrMo4,20CrMnTi,
Weight Ranges	0.1kg-50tons
Roughness	Ra0.4 - 0.8

 

Material elements	C	Si	Mn	P	S	Cr	Ni	Mo
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
4130	0.28-0.33	0.15-0.35	0.40-0.60	≤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
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

 

Mechainal properties	Dia.(mm)	TS/Rm(Mpa)	YS/Rp0.2(Mpa)	EL/A5(%)	RA/Z(%)	Impact energy	HBW
4140	Ø10	740~1000	450~850	≥12	≥25	≥40	≤250HBS
4130	Ø10	≥930	≥735	≥12	≥50	≥71	≤229HBS
18CrNiMo7-6	Ø15	≥980	≥785	≥9	≥40	≥47	≤269HBS
4340	Ø15	≥980	≥835	≥12	≥55	≥78	≤179HBS

4140 4130 4340 Water Turbine Generator Forged Steel Shafts DIN Standard 

Our Certificates:  

Our Lab equipment:  



Our main Products:  

A.Forged Gear Blank
B.Wheel and Pulley
C.Forged Shaft
D.Hollow Shaft
E.Crankshaft
F.Multi-stepped Shaft
G.Various forged blank and block
 I. Special-shaped Forging Parts

We produce and supply forged shaft blanks, forged step shafts blanks, forged flanged shaft blanks in carbon steel, alloy steel. These forged shaft blanks can be made up of carbon steel, and alloy steel. Like 40Cr steel, 40CrMo steel, etc. We can provide the heat treatment and rough machining service according to your requirement, This can help you to reduce your machining time and machining cost.



Application:  
Our main customers: ZPMC, NGC and Shanghai Electric etc.

Our parts are widely used in Chemical Industry, Wind power generator, Large machinery parts Chemical industry,Agricultural machinery parts ship shaft fittings. Wind Power gearbox Transmission system. 

Qingdao Port, Xiamen automatic Port, Shanghai Yang shan Port, Italy Vado port. Taiwan Tailway crane, Egypt hanging bridge, Sri Lanka railway crane, Thailand port bridge. South Korea railway crane, Hongkong island bridge, Singapore railway crane, Russia oil & mining machines and some miltary project. etc.



Customized solutions
Our modular process allows us to design solutions various industrial application requiring free-forged and open-die-forged parts. Our modularity means flexibility, wide choice, faster delivery and, above all, competitiveness.

All Tiangong Forging, products and production processes are designed to ensure exceptional, reliable and long-lasting unique mechanical properties, thereby reducing operating costs and extending service life.
With an extensive product range and extensive experience gained in most industrial applications, we can also provide engineering advice to our customers.


Welcome to visit our factory!  Welcome to send inquiry to us.  

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