Cold Drawn Steel Tube 6mm Outside Diameter

Price: 1000.0~10000.0 USD
Payment Terms: T/T,L/C
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Basic Info.
  • Place of Origin: Jiangsu  
  • Min.Order: 1 Ton
  • Means of Transport: Ocean, Air
Supply Capacity
  • Production Capacity: 500tons
  • Packing:bundled and wrapped with plastic, wooden case or as your requirement
  • Delivery Date: within 20 working days after receiving deposit

Cold Drawn Steel Tube 6mm Outside Diameter

Cold drawn precision seamless steel tube
DIN 2391, EN 10305-1, EN 10305-4, BS6323, ISO8535

Cold Drawn Steel Tube 6mm Outside Diameter

DIN 2391, EN 10305-1, EN 10305-4, BS6323 precision seamless steel tube for automotive industry and hydraulic system

OD 6mm, wall thinkness 1mm, ,1.2, 1.5, 1.5mm, 2mm


 Production range: OD from 3.75mm to 70mm; wall thickness up to 10mm

Delivery conditions:  

Precision tubes are delivered in following conditions 

BK (+C) Cold finished/hard (cold finished as drawn).
No heat treatment after last cold forming process.
BKW (+LC) Cold finished/soft (lightly cold worked).
After 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.
GBK (+A) Annealed.
After the final cold forming process the tubes are annealed in a controlled atmosphere.
NBK (+N) Normalized.
After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere.


Tests: 100% eddy current test, chemical and mechanical inspection, size checking and others

Certificates: according to EN 10204 3.1 b


Packing: Bundles or boxes



1. Bare Tube (No coating): Bright and smooth, Surface Roughness both inner and outer surface  0.2Ra Maximum for special requirement

2. Surface Coating

 A. Silver galvanized

 B. Yellow galvanized

 C. Olive green coated

Layer thickness: 8-20um, Salty Spray Test: 48-150 hours

3.  Black phosphate



1. Automotive fields

 A. Fuel injection lines/nozzles

 B. CNG (Compressed Nature Gas) tube-- Burst pressure: 1307Bar, Working Pressure: around 350bar

C. Drive transmission: Steering column elements

 D. Gear shafts, hand brake, front axles, airbag inflators, stabilizers, seat fasteners, front-wheel drive shafts

2. Hydraulic Fields

A. Hydraulic circuits (HPL), pneumatic lines, and hydraulic suspension 

B. Hydraulic cylinders (HPZ)

Hi,this is Chrisina,thanks very much for your interest in our products,If you want such steel tubes and pipes,or the standard is not listed above,pls do not hesitate to contact me at once.pls tell me,it's my honor to service you!



Christina Skype: christina.haibinjx



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Mr. Kevin Wang
Tel: 86-512-56328002
Mobile: +86-18015528389
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Zhangjiagang Renaissance High-precision Steel Tube Co., Ltd
Bolin Industrial Park, Jingang Town, Zhangjiagang, Suzhou, Jiangsu, China (Mainland)
Fax: 86-512-56328003
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