Specifications

1)Material:35#,45#,35CrMo,Cr18Ni9 or as per customers' request.
2)Hardness:229-285HB

1)Material:35#,45#,35CrMo,Cr18Ni9 or as per customers' request.
2)Hardness:229-285HB , Surface hardness: Above HRC 60  

3) surface coating:Not dealing with the surface, surface chrome or nickel phosphorus and nitrogen surface salt spray

4)Roundness: 0.15/1000mm

5) Full-length size Tolerance as per GB1100 IT class

 

 :

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. Main Materials: Carbon steel, Alloy steel.

 

 

 

3. Process:

 

 

 

Forging/Casting – Proof Machining- Quenching & Tempering – Finish Machining-(keywaying)-Hobbing-Tooth Surface Hardening

 

 

 

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