China wholesale 4130 Round Tube - Cold rolled precision seamless steel pipe – Hongmao
China wholesale 4130 Round Tube - Cold rolled precision seamless steel pipe – Hongmao Detail:
Product Introduction
Precision seamless steel pipe is a kind of high-precision steel pipe processed by cold rolling or cold drawing; full name: cold rolled or cold drawn precision seamless steel pipe. Since the inner and outer walls of precision seamless steel pipes have no oxide layer, withstand high pressure without leakage, high precision, high smoothness, cold bending without deformation, flaring, flattening without cracks, etc., they are mainly used to produce pneumatic or hydraulic components, such as Cylinders or oil cylinders are all made of seamless pipes. The chemical composition of precision seamless steel pipes includes carbon C, silicon Si, manganese Mn, sulfur S, phosphorus P, and chromium Cr.
Specifications
| Outside Diameter | 6mm-140mm |
| Thickness | 0.5-20mm |
| Material | 10#, 20#, 35#, 45#, 16Mn, 30CrMo, 20Cr, 20CrMo,15CrMo, 35CrMo, 42CrMo4, 20Mn, ST35,ST37,E235, ASTM11A, ST45, E255, A106A.B, ST55, CK45, S45C, Q345B, ST52, E355, S355j2, 4130, 4140, 4340, SCM440, SCM415 |
| Surface | Black or bright |
| Standard | GB/T8713, GB/T3639, GB/T8162, GB/T8163, ASTM-A519, EN10305-1, EN10305-4, JIS-G3445, DIN2391, BS6323, GOST8734-75 |
| Processing | Cold rolled /cold drawn |
| Delivery Condition | (1) BK (+C): No heat treatment after last cold forming process; (2) BKW (+LC): After last heat treatment there is a light finishing pass (cold drawing);
(3) BKS (+SR): After the final cold forming process the tubes are stress relieve annealed; (4) GBK (+A): After the final cold forming process the tubes are annealed in a controlled atmosphere; (5) NBK (+N): After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere. |
| Packing | Woven bag/ wooden or crate carton/ bundle packing/ plain end or vanished as per customer’s request. |
| Delivery time | Normally 10-25 working days |
Product detail pictures:
Related Product Guide:
So that you can finest fulfill client's demands, all of our operations are strictly performed in line with our motto "High Excellent, Competitive Price, Fast Service" for China wholesale 4130 Round Tube - Cold rolled precision seamless steel pipe – Hongmao, The product will supply to all over the world, such as: Turin, Canberra, Costa Rica, We welcome you to visit our company & factory and our showroom displays various products that will meet your expectations. Meanwhile, it is convenient to visit our website. Our sales staff will try their best to provide you with the best services. If you need more information, please do not hesitate to contact us via E-mail, fax or telephone.
By Julie from Peru - 2018.02.12 14:52
This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
By Roberta from Lisbon - 2018.12.22 12:52
