We have established long-term and stable cooperative relations with many retailers and agents, and we can customize the size and specifications of St52 Hydraulic Steel Tube, S20C Cold Drawn Honed Tube, seamless stator tube according to customer requirements. Please feel free to contact us. Our company always puts the interests of customers in the first place and adheres to the principle of integrity and fairness in business operation. We carry out regular training for each employee, which not only further improves the production efficiency, but also greatly improves the quality of products, laying a solid foundation of software and hardware for the future large-scale development of our company.

Steel 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. Material SAE1020, 20#, ST45, CK45, ST52, E355 tubes and so on for you to choose.

Steel Honed Tubes technical parameters and Details

Application: hydraulic cylinder, pneumatic cylinder, oil cylinder, telescopic cylinder.

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.

Chemical Properties:

Material	C%	Mn%	Si%	S%	P%
20#	0.17-0.23	0.35-0.65	0.17-0.37	≤0.035	≤0.035
ST45	≤0.21	≥0.4	≤0.35	≤0.025	≤0.025
E255	≤0.21	0.4-1.1	≤0.35	≤0.025	≤0.025
45#	0.42-0.50	0.50-0.80	0.17-0.37	≤0.035	≤0.035
Q345B	≤0.20	≤1.70	≤0.50	≤0.035	≤0.035
E355	≤0.22	≤1.6	≤0.55	≤0.025	≤0.025
ST52	≤0.22	≤1.6	≤0.55	≤0.04	≤0.04
25Mn	0.22-0.29	0.70-1.0	0.17-0.37	≤0.035	≤0.035
27SiMn	0.24-0.32	1.10-1.40	1.10-1.40	≤0.035	≤0.035

Chrome Plated Tube.jpg

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.

Production process

Raw material – annealing for material of 45#, 27SiMn, 25Mn – Acid cleaning – parkerizing & Saponifying – cold drawn – leveling – saw off bad section – stress relieving – leveling –honing or skiving – inspection – oiled plated - packing

Production Process(001).jpg

Quality control

1. We only buy raw material from famous tube factory, and Checking raw material quality before production.

2. We check the tube ID tolerance, OD tolerance and surface after cold drawn one by one.

3. We inspect the honed tube inside tolerance and surface again one by one after honing or skiving.

Our company's processes are complete and legal, and our E410 Honed Steel Tube for Hydraulic Cylinder is high quality and efficient at a reasonable price that has high buyback rate! Customers are the source of our innovation, and every individual demand constantly inspires our design inspiration. Welcoming interested businesses to cooperate with us, we look forward to owning the opportunity of working with companies around the planet for joint expansion and mutual results.

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