• Matt
    A good collaboration!
  • Maura
    It could provide professional solutions for application of titanium tubes, reliable partner.
Contact Person : Angela
Phone Number : 86-512-58715276
WhatsApp : +8615895686919

DIN2391 Seamless Steel Tube Black Phosphated With Good Mechanical Performance

Place of Origin Jiangsu, China
Brand Name Hongbao
Certification TS16949,DNV,PED,ISO,TUV,LR
Model Number HBPST-1
Minimum Order Quantity 1 ton
Price Negotiable
Packaging Details seaworthy plywooden case packing.
Delivery Time Within 50 days if production
Supply Ability 30000MT per year
Product Details
Material E235,E355,26MnB5,34MnB5 Certificate TS16949,DNV,PED,ISO,TUV,LR
Origin Jiangsu,China OD 6-120mm
Thickness 0.5-15mm Shape Round
Type Welded Or Seamless Processing Cold Drawn, Cold Rolled
High Light

precision steel pipe

,

erw precision tubes

Leave a Message
Product Description

DIN2391 Cold Drawn Precision Steel Tube Black Phosphated Welded Hydraulic Steel Tubes

 

Description:

 The tubes can be produced in the following delivery conditions:

 GBK (+A) Annealed.

 After the final cold forming process the tubes are annealed in a controlled atmosphere.

 

 NBK (+N) Normalized. (Mainly focus on)

 After the final cold forming process the tubes are annealed above the upper transformation point.

 

 BK (+C) Cold finished/hard (cold finished as drawn).

 No heat treatment after the last cold forming process.

 

 BKW (+LC) Cold finished/soft (lightly cold worked)

 After the last heat treatment there is a light finishing pass (cold drawing).

 

 BKS (+SR) Cold finished/stress relieve annealed.

 After the final cold forming process the tubes are stress relieve annealed.

 

 

Process Diameter Length Precision Inner Hole Roughness
Cold Rolled 30-100mm ≤12 m H8-H10 0.4-1.6
Cold Draw 30-250mm ≤12 m H8-H10 0.8-1.6
Honing 40-500mm ≤12 m H8-H9 0.4-0.8
Rolling 40-400mm ≤7 m H8 0.4
Inner Diameter H8 H9 H10  

 

 

 

 

 

 

 

 

 Steel Tube are manufactured according to technical specification of EN10305-2 Cold Drawn Welded 

 

 Precision Steel Tubes DOM tubing, with steel grade of E155,E195,E235,E275,E355 and delivery

 

 conditions of +C +LC +SR +A +N

 

DIN2391 Seamless Steel Tube Black Phosphated With Good Mechanical Performance 0