Specifications

1) 20#,40Cr,27SiMn,45#
2) Surface:Ra0.4~0.8.
3) OEM order is welcome.

1) 20#,40Cr,27SiMn,45#Etc.

 

2) Surface:Ra0.4~0.8.

 

3)Size as per customers' request.

 

4)Working Pressure: less than16MPa by1.5, higher16Mpa by 1.25.

5) If you would like to place the order, please provide the following d

etails:

  a. Cylinder Diameter and inner diameter.

 

  b. the diameter of the Piston Rod.

 

 c. Working Pressure.

 

 d. The route of the Cylinder.

 

 e. buffering or not.

 

 f.The installment Manual.

 

You may also want to know more 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