Detailed Product Description

Quality parameter

1.materials quality
high quality carbon structure steel (45#)

high quality alloy structure steel (40Cr)
bearing steel (GCr15)

2. the grade of outside diameter difference: f7-f8

(specail specification can be custom-made up according to request.)

3. Chrome layer thickness: 20um-30um

4.Chrome layer degree of hardness : over HV750

5. high frequency surface quenching degree of hardness

45# steel for: HRC50-55

40Cr  steel for: HRC55-60

GCr15  steel for: HRC60

6. the depth of the surface quenching 1mm-2mm

7. the standard length: 1m----10m

8. the rough degree in surface: Ra 0.2um---0.4um

products purpose or apply to :
1.air/oil pressure machine
2.rubber/plastic machine
3.construction machine
4.transport machine
5.paper carton machine
6.Aluminum extruding die-casting machine
7. bottle blowing machine
8. wood processing machine
9.printing machine
10. manufacturing shoe machine
11.oil cylinder for parking lot equipment.
12.Hydraulic jacks

following standard specification always in stock (diameter X long)
6X2500
8X2500
10X2500
12X2500
14X2500
15X2500
16X2500
18X2500
20X3000
22X3000
22.4X3000
25X3000
25.4X3000
28X3000
30X3000
31.5X3000
32X3000
35X3000
35.5X3000
40X3000
45X3000
50X3000
55X3000
56X3000
60X3000
65X3000
70X3000
71X3000
75X3000
80X3000
85X3000
90X3000
95X3000
100X3000
110X3000
120X3000