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Electrolytic Zinc Welded Steel Tube , E355 Material Round Steel Tubing

Place of Origin China
Brand Name Hongbao
Certification TS16949, ISO9001, OHSAS18001 etc.
Model Number HB-WT-001
Minimum Order Quantity 1 ton
Price Negotiable
Packaging Details Seaworthy Wooden box, customized Packing
Delivery Time 30-45 Days
Supply Ability 60000 MT per Year
Product Details
Material E355 Standard EN10305-2
OD 6-80mm WT 0.5-10mm
Shape Round Type Welded Or Seamless
High Light

welding round tubing


cold drawn welded tubes

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Product Description

Weld Steel Tube Material E355 For Producing Camshaft Standard EN10305-2


Chemical composition comparison:

Steel Grade Chemical Composition(%)
Steel name Steel number C max Si max Mn P max S max Al min
E215 1.0212 0.10 0.05 0.70 0.025 0.025 0.025
E235 1.0308 0.17 0.35 1.20 0.025 0.025 -
E355 1.0580 0.22 0.55 1.60 0.025 0.025


Produced by cold drawing over mandrel and die on the ERW welded steel tube, to achieve better tolerance and good concentricity, both outside and inside weld seam is completely removed during the cold drawing process.


Main Date

Material: E355

Other material aviable: E235

Standard: EN10305-2

Technique: Cold Drawn




Delivery Condition

 +C No heat treatment after the final cold drawing process

 +LC After the final heat treatment there is a suitable drawing pass
 +SR After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere
 +A After the final cold drawing process the tubes are annealed in a controlled atmosphere
 +N After the final cold drawing operation the tubes are normalized in a controlled atmosphere



Advantage (compare with seamless cold drawn tube)

Better shape

Improved quality surface

Tight Excentricity and wall thickness tolerances

Good toughness at low temperature

USA Market: 90% of the cylinder in the USA market are produced with welded tubes

Cost fix Lengths More Cheaper



High Precision Steel Tube is Widely Used in

Military Field,

Automobile Parts,Bushing,Sleeving,Fuel Tank;etc,


Electrolytic Zinc Welded Steel Tube , E355 Material Round Steel Tubing 0