cold drawn steel tubes        cold drawn steel tubes  Cold drawn or cold-rolled precision seamless tube is used for mechanical structure, high dimensional precision of hydraulic equipment and fine surface finish of cold drawing or cold rolled precision seamless steel tube.
The application of high precision cold-drawing precision steel tube is to save steel, improve machining efficiency and save energy
1. Cold Drawn Seamless Production method:
Cold Drawn on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance
2. cold drawn steel tubes Features:
Smooth inner and outer surfaces
Available in a variety of outer diameter sizes
Good raw material quality
Narrow tolerance
3. Steel Grade and Chemical Compositions:
GradeC maxSi maxMnP maxS max
ST350.170.35≥0.400.0250.025
ST450.210.35≥0.400.0250.025
ST520.220.35≥1.600.0250.025
4. Mechanical properties
GradeConditionTensile Point (Mpa)Yield Point (Mpa)Elongation
ST35BK≥ 440
≥ 6%
BKW≥ 370
≥ 10%
GBK≥ 315
≥ 25%
NBK340-470235≥ 25%
ST45BK≥ 540
≥ 5%
BKW≥ 470
≥ 8%
GBK≥ 390
≥ 21%
NBK440-570255≥ 21%
ST52BK≥ 590
≥ 5%
BKW≥ 540
≥ 7%
GBK≥490
≥ 22%
NBK490-630355≥ 22%
Advantages:
1. High quality raw material: we mainly choose raw material from big steel factory, such as TPCO, BAO STEEL, SHA STEEL, which are best and largest raw material manufacturer in China.
2. Short Delivery time: If one container 15-20 days. We also stock some standard-sized tubes and rods, if you need 3-5 pcs, we can delivery soon.
3. Safe packing: anti-rust oil be spread on tubes and rods before shipping, plastic caps on tube ends to protect inside surface, each rod be protected with cardboard tube.Finally be packed with seaworthy package or in wooden case. mooth no-defect surface.
4. Best after-sale service: Over 60% products are sold to the Southeast Asia, Middle East and Europe, and all products are trusted by domestic and foreign customers.
FAQ
1.Q: why choose us?
A: We are one of High-tech Enterprises, AAA Contract and Trustworthy Enterprises, AAA Technology Consulting Firm. and obtained the certificate of ISO9001.
2.Q: Can you send me samples?
A: Our product is Steel pipe ,we can send you samples and catalog, warmly welcome you to come visit our company.
3.Q: What is the delivery time of your machine?
A: In general, the delivery time of our Steel pipe is about 30 days,
4.Q: Is your price competitive?
A: Only good quality Steel pipe we supply. Surely we will give you best factory price based oncold drawn steel tubes
website:http://www.skivingtubelw.com/cold-drawn-tube/