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3mm OD Seamless Cold Drawn Small Diameter Tube

1000.0~10000.0 USD
Min. Order: 1 Ton
Payment Terms: L/C, T/T
Supply Ability: 500tons
Place of Origin: Jiangsu

Company Profile

Location: Suzhou, Jiangsu, China (Mainland)
Business Type: Manufacturer
Main Products: Hydraulic Fluid Line Tube, Phosphated Metric Steel Tube, BA Steel Tube, Zinc Coated Steel Tube, High Pressure Oil Tube

Product Detail

Means of Transport: Ocean, Air
Production Capacity: 500tons
Packing: bundled and wrapped with plastic, wooden case or as your requirement
Delivery Date: within 20 working days after receiving deposit
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Product Description

 3mm OD Seamless Cold Drawn Small Diameter Tube


2.2.2. Tolerances by agreement
2.2.3. Dimensions and tolerances according to standard ASTM A450
2.3 Steel grades
Steel is produced in electric arc furnace and is fully killed.
2.4 Delivery conditions and heat treatment
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.
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
2.5 Surface condition
Tube surface corresponds to the standards and depends on the method of tube manufacturing and method of heat treatment. Value of roughness Ra <0.8 µm.
2.6 Tube ends
The tubes are delivered with plain ends without burrs at the ends of the tube.
Upon request ends could be plugged with plastic caps
3.Testing ofDIN EN10305-4 E355 NBK Cold Drawn Seamless Tube
Testing is performed in accordance with corresponding standards or by agreement
• flattening test , drift expanding test, flaring test, bending test
• mechanical properties test
• NDT for detection of transverse imperfections and wall imperfections
4. Packing and Protective coating
4.1 Tubes are supplied either uncoated or with the manufacturers standard mill coating at the option of the customer (subject of agreement between customer and manufacturer).
4.2 Packaging ofDIN EN10305-4 E355 NBK Cold Drawn Seamless Tube
Tubes are packed in round or hexagonal bundles with weight max.2000 kg. Other possibilities by agreement.
4.2 Packaging ofDIN EN10305-4 E355 NBK Cold Drawn Seamless Tube
Tubes are packed in round or hexagonal bundles with weight max.2000 kg. Other possibilities by agreement.
5. Mill Test Certificate
Types of inspection documents according to EN 10204 3.1.B Inspection certificate (inspector representing the manufacturer)
6. Quality System(ISO9001&TS16949)


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
Tel:+8618056100777
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