Honed Tube

Material: E355 ST52,CK45,SAE4140,16Mn,42CrMo,SAE1518,SAE4145,Stainless Steel 304/316,Duplex 2205,etc.

Delivery Condition: BK, BK+S, GBK, NBK

ID Size : 30mm – 1500mm

Length: max 14m

Type: Seamless, Hot Rolled, Cold Rolled, Cold Drawn

Straightness: ≤ 0.5/1000

Tolerance EXT: DIN2391, EN10305, GB/T 1619  H8,H9,H10,H11

Protection: Anti-rust oil on outside surface.

Packing: Bundle with steel strip and PE sheet.

WE ALSO PRODUCE:

Skived Roller Burnished Tube;

Chrome Plated Tube;

Ready to hone tube;

Large size honed bore tube;

Seamless cold drawn tube

1. Vast Production Experience: With over 20 years of manufacturing expertise in honed tubes and chrome plated rods, Jiangsu Yingnaisi has served long-term buyers across Australia, Thailand, Brazil, India, Iran, Indonesia, South Africa, and various other countries.
2. State-of-the-Art Production Equipment: Our facilities boast a range of advanced machinery including cold drawing machines, honing machines, skiving & roller burnishing machines, straightening machines, polishing machines, heat treatment furnaces, and grinding machines. Our dedicated team of professional technicians conducts regular maintenance to ensure optimal performance.
3. Premium Raw Materials: We source our materials primarily from renowned steel mills such as TPCO, BAO STEEL, and SHA STEEL, esteemed as the leading raw material manufacturers in China.
4. Exceptional Precision: Our honed tubes feature an inside surface roughness ranging from 0.2 to 0.4 microns, with a maximum straightness deviation of 0.5 per 1000, adhering to strict tolerance standards of DIN2391 H8. Skived & Roller Burnished Tubes exhibit an inside surface roughness below 0.2 microns, with a maximum straightness deviation of 0.2 per 1000, also meeting DIN2391 H8 standards. Chrome Plated Rods boast chrome layers ranging from 10 to 100 microns, maintaining stringent tolerance levels according to ISO f7.
5. Rigorous Quality Control: Our in-house team of professional Quality Control experts meticulously inspects all products. Prior to delivery, we conduct Chemical Composition Tests, Mechanical Property Tests, Dimensional Inspections, Roughness Tests, Chrome Layer Tests, and any other necessary examinations.
6. Secure Packaging: To ensure product integrity, tubes and rods are coated with anti-rust oil before delivery. Additionally, plastic caps are placed on both ends to safeguard the interior surface of the tube. Finally, products are carefully packaged using seaworthy materials or placed in wooden cases for secure transportation.