1.ISO9001,TS16949 2.Good quality and poweful R&D ability 3.Competitive price&fast delievery 4.Different sizes are availabl

1.We are a professional hydraulic cylinder manufacturer.They are used  for construction,mining, forestry, marine, military, material handling, agriculture, truck and trailer, loader waste management.

2.You can be assured that our products have long life, superior performance and highreliabilit.

3.Need more production information, please contact us.

We can design and manufacture a wide range of single acting,double acting and displacement cylinders to precise customer requirement:

Size range :

 Ø18mm to ø200mm bore

Lengths of up to 8 metres.

Working pressure up to 22 mpa

Phosphating &finish painting

Customised colour

Special features:

End of stroke cushioning

Integrated control valves fitted

Phosphating &finish painting

We have a strong team of highly qualified design engineer working with :

Highly automated production facility.

Customer focused cellular.

Manufacturing system

Robotically driven machine shop producing.customised components thus facilitating

Quick turnaround on orders.

100% pressure testing of all cylinders.

Ensuring highest quality products are supplied to our customers.

ISO 9001:2000 certification.

Chemical Compisition (%)

Steel grade	Chemical composition,%
	C	Si	Mn	P	S	Cr
				≤
St45	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035	0.250
ST52(E355)	≤0.22	≤0.55	≤1.6	0.025	0.025	0.25
SAE1026	0.22-0.28	0.15-0.35	0.60-0.90	0.040	0.050	/
27SiMn	0.24-0.32	1.10-1.40	1.10-1.40	0.035	0.035	0.300
20#	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035	0.250

Mechanical Properties

Delivery condition	BK Cold finished(hard)		BKS Cold drawn and stress-relieved
Steel grade	Rm Mpa	ElongationA5(%)	Rm MPa	ReH MPa	ElonggationA5(%)
ST45	≥550	≥5	≥520	≥375	≥15
ST52(E355)	≥640	≥5	≥600	≥520	≥14
SAE1026	≥640	≥5	≥600	≥510	≥15
16Mn	≥640	≥5	≥600	≥520	≥14
20#	≥550	≥8	≥520	≥375	≥15

 Tube shall have a smooth internal and external surface consistent with cold working process, tube inner surface should be free from rust, scratches and other surface irregularities

Tolerances of Inner Dia.

Size of I.D	I.D Tolerance			Tolerance of wall thickness
	H8	H9	H10	±7.5% >210mm ±10%
30	+0.0330	+0.0520	+0.0840
>30-50	+0.0390	+0.0620	+0.1000
>50-80	+0.0460	+0.0740	+0.1200
>80-120	+0.0540	+0.0870	+0.1400
>120-180	+0.0630	+0.1000	+0.1600
>180-250	+0.0720	+0.1150	+0.1850
>250-315	+0.0810	+0.1300	+0.2100

long stroke hydraulic oil cylinder