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Phone Number : 86-512-58715276
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Automotive Welded Steel Tube High Precision Size 1.5 - 8 mm Wall Thickness

Place of Origin Jiangsu, China
Brand Name Hongbao
Certification DNV,ISO,TS16949
Model Number HBPST-1
Minimum Order Quantity 1 ton
Price Negotiable
Packaging Details Original packaging according to the customers Export standard package in bundled or as required.
Delivery Time within 50 days

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Product Details
Material Carbon Section Shape Round
Alloy Or Not Not Type Welded Steel Tubes
Certificate TS16949,DNV,PED,ISO Processing Cold Drawn, Cold Rolled
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welded steel pipe


cold drawn welded tubes

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Product Description

Cold Drawn Precision Welded Steel Tube Round Shape For Automotive


Typical Specification

NO. Grade Welding Typical Specification Yield Strength
1 26MnB5 Φ34×6 235~300Mpa
2 34MnB5 Φ28×5 285~360Mpa
3 E355 Φ38×4.5 355~450Mpa
4 STK490 Φ50.8×2.5 345~450Mpa


Delivery condition:

1) +C No heat treatment after the final cold drawig process

2) +LC After the final heat treatment there is a suitable drawing pass

3) +SR After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere

4) +A After the final cold drawing process the tubes are annealed in a controlled atmosphere
5) +N After the final cold drawing operation the tubes are normalized in a controlled atmosphere



Material: 45#, E235,E355, 26MnB5 etc
Standard: EN10305-1,EN10305-2
Delivery Condition: +C,+N, +LC,+SR, +A
Size Range:

Outer Diameter:10-50mm
Wall Thickness: 1.5-8mm

Application: Cold Drawn Precision welded Steel Tube is Widely Used in Automotive Part, Hydraulic System, High-precsion Machining.




Top class of welding line: SG/76 Enhanced High-precise High Frequency Welding Tube Production Line. The tube is of small outer diameter (D) and thick wall thickness (t): t/D≥0.2, and high size precision.




Test Equipments

Automotive Welded Steel Tube High Precision Size 1.5 - 8 mm Wall Thickness 0