Delivery Time:Up to quantity
Certification:ISO 9001:2008 TS 16949,ROHS

32mm Black Painted Steel Coil Springs / Large Compression Springs For Engineering Machinery

Specifications:

Material	Spring steel 60Si2Mn
Wire diameter	32mm
Outside diameter	140/180mm
Free length	250mm
Total coils	5.75
Active coils	3.75
Direction	Right
End type	Close and ground
Hardness	HRC 45-50
Surface treatment	Black painting
Usage	Construction machinery

Description:

1. we make springs with bar 0.08-60mm,for bar about 20mm,we choose hot wound way to make them,including such engineering machinery springs.

2. load testing of engineering machinery spring can be done as per customer specifications.

3. shot-peening and end surface grinding are our dispensable processes.

4. black painting will be done in house and powder coated outsource.

Application:

Zoomlion is the leading engineering machine manufacturer in China,and we supply engineering machinery springs to this great company.this 32mm hot wound compression spring used in tower crane.

Competitive Advantage:

1. comprehensive springs,spring wire diameter 0.08-60mm

2. easy communication and respond quickly

3. strict quality controlling to build a dazzling brand in the spring world