DIN 2391-2 St44 St52 St52.3 St52.4 En 10305-1 E355 C45e E410 E470 Hot Rolled Cold Drawn Deep Hole Bored Seamless Precision Honed Steel Tube

We take 'Quality Standards, Innovation, Continuous Improvement, Customer Satisfaction' as our quality policy, take the recruitment of talents as the foundation of the enterprise, and regard improving product quality as our mission. We provide you with a one-stop service for Cold Drawn Steel Pipe, Precision Hydraulic Tube, 4140 uniform thickness seamless pipe at a reasonable price. Welcome domestic and foreign customers to call and negotiate. In the new era, the company will continue to adhere firmly to the core idea of innovation and development. Our company follows the business philosophy of 'quality for survival, technology for development, market-oriented and service-oriented'. We strengthen experience feedback, focus on summary improvement, and promote good practices to achieve standardization and specialization.

Precision Honing Tube introduction

WUXI HENGTONG PETROLIC MACHINERY has two factories of 40000 square meters and totally 150 employees manufactures Precision Honing Tube, ready to hone tubes, honed tubes, skived and roller burnished tubes, chrome bar, piston rods and high-precision cold-drawn steel tubes, We are well-equipped with 300 ton, 150 ton, 65 ton, 20 ton of cold drawing machine,9 meters CNC boring machines, 20 sets honing machines , one set furnace and advanced quality testing equipment, which combine cold drawn, cold-rolled, heat treatment and traditional machining process.

Precision Honing 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.

Mechanical Properties:

Our Advantages

a. Extensive production experience: we are specialized in honed tubes, skived tubes, cold drawn pipe, and chrome bar with an experience of 20 years.

b. Complete production facilities: owning cold drawn machine, skived and roller burnished machine, honing machine, precision centerless grinding machine, straightening machine, fine polishing machine, precision lathe, milling and drilling machine, roller press and other advanced equipments. Our technicians will do regular scheduled maintenance on these machines to guarantee them work well.

c. High quality raw material: we mainly choose raw material from big steel factory, such as AN STEEL, TPCO, BAO STEEL, SHA STEEL, which are best and largest raw material manufacturer in China.

d. Strict Physical/Chemical testing procedures: meeting the requirements of the product design and process, providing reliable testing data.

e. Short Delivery time: Usually one container 20 days. We also stock some standard-sized tubes and bars.

f. Safe packing: anti-rust oil be spread on tubes and bars before shipping, plastic caps on tube ends to protect inside surface, each bar be protected with cardboard tube.

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

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.

Since its establishment, the company has made it its mission to build an industry-leading business for DIN 2391-2 St44 St52 St52.3 St52.4 En 10305-1 E355 C45e E410 E470 Hot Rolled Cold Drawn Deep Hole Bored Seamless Precision Honed Steel Tube, integrate resources to the greatest extent, and create and deliver value. We have a core technical team and a professional sales team, focusing on innovative R&D and customer relationship maintenance, and committed to providing customers with guaranteed technical support and after-sales service. The starting point for modern enterprises to implement marketing is essentially a kind of customer demand orientation, which is to obtain profits by winning and maintaining customer satisfaction.

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