Pursuing excellence is the core value of our Hydraulic Cylinder Steel Tube, Cold Drawn Steel Tube, Hydraulic Srb Pipe, which lays the foundation for corporate development. We welcome shoppers, business enterprise associations and close friends from all sections with the globe to contact us and seek cooperation for mutual added benefits. We welcome new and aged buyers from all walks of lifetime to make contact with us for potential small business associations and mutual success!
Honing Seamless Steel Tube introduction
WUXI HENGTONG PETROLIC MACHINERY has two factories of 40000 square meters and totally 150 employees manufactures Honing Seamless Steel Tube, ready to hone tubes, honed tubes, skived and roller burnished tubes, chrome bar, piston rods and high-precision cold-drawn steel tubes, 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.
Honing Seamless Steel 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:
Final Supply | Cold finished | Cold drawn and stress-relieved (BK+S or + SR) | Hardness HB | |||
Parameters | T.S | Elongation | T.S | Y.S | Elongation | |
20# (A106B, ST45, E255) | ≧550 | ≧8 | ≧520 | ≧375 | ≧12 | 175 |
45#(CK45) | ≧650 | ≧5 | / | / | / | 207 |
Q345B(ST52, E355) | ≧640 | ≧5 | ≧600 | ≧520 | ≧15 | 190 |
25Mn | ≧640 | ≧5 | ≧600 | ≧510 | ≧15 | 195 |
27SiMn | ≧840 | ≧5 | ≧800 | ≧720 | ≧10 | 230 |

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
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.
Packaging & Delivery
Packaging Details | in bundle, with plastic caps, anti-rusted oiled, with woven bags |
Delivery Time | Shipped in 20 days after payment |
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.
Please feel free to send us your detailed requirements, you would be satisfied with our service.
We are in the spirit of excellence, committed to the strict requirements of St52 E355 C45e Cold Drawn Seamless Carbon Steel Tube Suitable for Honing quality and product sales of low-cost and high-quality. The company has introduced advanced production equipment from abroad and can provide customers with a complete set of services from development, design, production to sales. Our company adheres to the tenet of customer first, quality first, reputation first and first-class service. Stable product quality is the guarantee for our company's development and survival. Our products have been sold to many countries and regions at home and abroad.
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