Our rotary table, Hard Chrome Plated Pipe Bar, Honed Tubes In Stock is directly participated by experienced technicians from design to production and completion to ensure quality and strive for excellence. We are looking for partners who focus on product quality, like-minded, and consistent values to abandon low-price competition and maintain normal market order. We have improved the economic efficiency of the enterprise, enhanced the core competitiveness of the enterprise, and established a complete sales and service network. In the future, we will continue to work hard and improve to provide safe and convenient high-quality services to global customers.
Ck20 Steel Pipe introduction
WUXI HENGTONG PETROLIC MACHINERY has two factories of 40000 square meters and totally 150 employees manufactures Cylinder Honed Tubes, 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.
Ck20 Steel Pipes 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.
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 |

Experience and markets
Our factory has more than 20years working experiences on researching and selling. Products are well sailed all over the world, got many compliments from customers.
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.

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
We have been committed to providing customers with high quality C45 C22 ASTM1020 AISI1045 Seamless Carbon Steel Pipes and professional services, and we are one of the highly competitive suppliers in China. We will effectively apply customer demand trends learned through various exhibitions to product development. Owing to excellent assistance, a variety of high quality products and solutions, aggressive costs and efficient delivery, we take pleasure in an excellent popularity amongst our customers.
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