For so many years, we have impressed customers at home and abroad with our sincerity, with high qualification rate of our Tilting Rotary Table, Conventional Welding Rotator With Bolt Adjustment, Precision Seamless Honed Tube and good after-sales service. We are sincerely looking forward to cooperate with buyers all around the world. We look forward to a win-win cooperation in the field of new technologies through extensive external exchanges and cooperation. We hope that employees have a strong sense of self-responsibility and dedication, in order to achieve the goal, and perseverance to overcome the setbacks encountered in the work.

Hydraulic Honed Tube introduction

Honed Tubes are presicion tubes with smooth inside , they also could be skived and burnished pipe. Tubes or pipes inside tolerance could be H10, H9 or H8. Outside tolerance, wall thickness tolerance are produced according to seamless cold drawn tubes for precision application standard GB/T3639-2009 , EN10305 or DIN2391 standard.

Hydraulic Honed Tubes detail

Application: producing of hydraulic/ pneumatic cylinders, pumps, motor shells, transmission shafts and transmission roller steel pipes.

Original: Jiangsu, China

Certification: ISO9001.

Material: SAE1020, 20#, ST45, CK45, ST52, E355

Payment term: TT, LC

Delivery date: usually 20 to 40 days.

Packing: packed in bundle, oiled inside, with caps on both ends.

Market: Middle East/ Africa/Asia/South America/Europe/North America

MOQ: Depends on exact size and material.

Material we have :

DIN2391 standard ST52, St45, EN10305 standard E355,E255, ASTM A106B grade, 16Mn, C20/20#, CK45

Chemical composition:

Material	C	Si	Mn	S(≤)	P(≤)	Cr	Ni	Mo	other
A106B/ C20#	0.17—0.23	0.17—0.37	0.35—0.65	0.035	0.035	≤0.25	≤0.30		Cu≤0.25
CK45#	0.42—0.50	0.17—0.37	0.50—0.80	0.035	0.035	≤0.25	≤0.30		Cu≤0.25
Q345B	≤0.20	≤0.55	1.00—1.60	0.040	0.040	V:0.02-0.15	Nb:0.015-0.06	Ti:0.02-0.20	Alt≥0.015
ST52 E355 16Mn	≤0.20	≤0.55	1.00—1.60	0.045	0.045	V:0.02-0.15	Nb:0.015-0.06	Ti:0.02-0.20	16Mn
25Mn	0.22—0.30	0.17—0.37	0.70—1.00	0.035	0.035	≤0.25	≤0.25
27SiMn	0.24—0.32	1.10—1.40	1.10—1.40	0.030	0.030
42SiMn	0.39—0.45	1.10—1.40	1.10—1.40	0.030	0.030
42CrMo	0.38—0.45	0.17—0.37	0.50—0.80	0.025	0.025	0.90—1.20		0.15—0.25

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Our Advantage

1. According to the cylinder pressure and inside diameter size ,different hydraulic cylinder honed tube Would be choosed .

2. Our motivation is --- customers’ satisfaction smile;

3. Our believing is --- pay attention to every detail;

4. Our wish is ----perfect co-operation

Our services

Pre-sale services:

1. Providing professional technical support.
2. Send the product catalog and instruction manual.
3. If you have any question PLS contact us online or send us email, we promise we will give you a reply at the first time!
4. Personal call or visit are warmly welcome.

Sale of services:
1. We promise honest and fair, it's our pleasure to serve you as your purchasing consultant.
2. We guarantee punctuality, quality and quantities strictly implement the terms of contract...
After-sales service:
1. Where to buy our products for one year warranty and life long maintenance.
2. 24-hour telephone service.
3. A large stock of components and parts, easily-worn parts.

Meanwhile, our organization staffs a group of experts devoted into the growth of S355j2h Seamless Steel Honed Tube of Hydraulic Cylinder. We uses the e-commerce system to strengthen and promote customer relationship management, customer business operation, customer service and information communication. Our company has excellent equipment, strong technical force and scientific management mode.

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