Wind turbing Main Shaft

Materials: Carbon and Alloy steel 
Diameter: less than 2,500mm 
Length:less than 20,000mm 1. Main products: Custom Open Die Forging, Main Shaft, Hollow shaft,Slender axles, Wind Power Shaft, Mandrel bar,Steel Bar, sleeves, Stabilizer, Flange Shaft, Roller Forging, Ring Forging, Gear Shaft, Gear Wheel and the other Customized precision turned parts. 2. Materials: Carbon steel, Alloy steel 3. Process: Forging/Casting – Normalizing & Tempering – Proof Machining- Quenching & Tempering – Finish Machining We can offer you in various process conditions. 4.  QA documents: chemical composition, mechanical properties, heat treatment, dimensions check and UT report UT test: 100% ultrasonic test according to EN10228-3, SA388, Sep 1921 C/c etc. Heat Treatment Report: provide original copy of heat treatment curve/time table. 5. Specifications of Forging:

Shape	Diameter(m)	Length(m)
Shaft	≤2.5	≤20
Block	≤4.0	/
Ring	≤4.9	≤3.5
Cylinder	≤1.5	≤8.0

   6. Standards: GB, JIS, AISI, SAE, ASTM/ASME, EN, DIN, GOST  Product Description 1)Materials: Carbon and Alloy steel 
2)Diameter: less than 2,500mm 
3)Length:less than 20,000mm   4)With nearly 20 years manufacture experience in the Mechinary area. We have the ability to make production as per your drawing and design.    5)Strict quality control to guarantee the life-span of the products.   You may also want to know the following information about our company:     1. Main products: Custom Open Die Forging, Main Shaft, Hollow shaft,Slender axles, Wind Power Shaft, Mandrel bar,Steel Bar, sleeves, Stabilizer, Flange Shaft, Roller Forging, Ring Forging, Gear Shaft, Gear Wheel and the other Customized precision turned parts. 2. Materials: Carbon steel, Alloy steel 3. Process: Forging/Casting – Normalizing & Tempering – Proof Machining- Quenching & Tempering – Finish Machining We can offer you in various process conditions. 4.  QA documents: chemical composition, mechanical properties, heat treatment, dimensions check and UT report UT test: 100% ultrasonic test according to EN10228-3, SA388, Sep 1921 C/c etc. Heat Treatment Report: provide original copy of heat treatment curve/time table. 5. Specifications of Forging:

Shape	Diameter(m)	Length(m)
Shaft	≤2.5	≤20
Block	≤4.0	/
Ring	≤4.9	≤3.5
Cylinder	≤1.5	≤8.0

   6. Standards: GB, JIS, AISI, SAE, ASTM/ASME, EN, DIN, GOST    Company Information 1.About us: We are the manufacturer specialized in machining heavy duty forging parts for nearly 18 years.Our products, such as drive shaft, Forging Hollow Shaft, Shaft Sleeve, Eccentri shaft, Forging rod, Large bolt, Heavy Duty Hydraulic Cylinder, are widely used in coiled material, petroleum, metallurgy, mine, machinery and transportation industry. etc. 2: Equipment of Zhongyuan Equipment list:

Process	Equipment list	Capacity	Quantity
Forging	1800 & 1400t rotary forging press(GFM)	Max weight 15 tons	2
	5000t hydraulic forging press	Max weight 45 tons	1
	2500t hydraulic forging press	Max weight 15 tons	1
Heat treatment	Trolley heat treatment furnace	7000X1100X1100mm	2
	Well-type quenching furnace	Max depth 8 meter	2
	Cover-type quenching & tempering furnace	Max length 20 meters	1
Machining	CNC heavy duty lathe	Φ2500Χ8,000mm	1
	13M,17M,20M horizontal lathe	Φ1250Χ20,000mm	3
	Manual horizontal lathe	Φ800Χ5,000mm	13
	Deep-hole drilling & boring machine	Φ800Χ17,000mm	2
	Mill machine	2000Χ4000mm	2
	Grinding machine	Φ800Χ5000mm	1
	Saw machine	----	2

   Picture of equipment: Product List

Name	Technique	Material	Dia/mm	Wall thickness	Length/mm
Forging shaft	Forging+turning+grinding	alloy steel              carbon steel   stainless stee	200-800	----	500-20000
Hollow shaft	Forging+drilling+turning		150-800	≥15mm	≤17000
Shaft sleeve	Forge+drill & bore+turning +milling		400-700	≥15mm	≤18000
Large bolt	Rolled/forge+turning+threading		300-800	----	≤17000
Hydraulic cylinder	Forging+drill & bore+ turning		300-2000	≥10mm	≤10000
Other parts in deep-hole	Forge+ drill & bore+turning+mill		300-2000	----	≤20000

   Picture of product:     3:Certificate & Honor:  4.Contact   Packaging & Delivery Packaging Details:export standard packing Delivery Detail: within 45days or as per request