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Carbon Steel Hollow Steel Tube High Precision Welded Tube Professional EN10305-2 / E355

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

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Product Details
Material E235,E355 Certificate TS16949,DNV,PED,ISO,TUV,LR
OD 6-120mm Thickness 0.5-15mm
Type Welded Or Seamless Processing Cold Drawn, Cold Rolled
High Light

precision seamless tubing


erw precision tubes

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Product Description

EN10305 E355 E235 Round Precision Steel Tube Hollow Seamless Carbon Steel Cold Drawn Tube




Material Carbon Steel ASTM A519 Standard

MT1010, MT1020, 1008, 1010, 1018, 1020,

1025, 1030, 1045, 1518

JIS G3445 Standard



JIS G3473 Standard STC370, STC440, STC510A, STC510, STC540
DIN 2391 Standard St 35, St45, St52
EN 10297-1 Standard E235, E275, E315, E355, E470
EN 10305-1 Standard E215, E235, E355
EN 10305-4 Standard E215, E235, E355
BS 6323-3 Standard HFS 3, HFS 4, HFS 5, HFS 8
NF A49-311 TU 37-b, TU 52-b, TU 56-b, TU XC35




















Certificates: according to EN 10204 3.1

Inspection Items: Tensile stength, Yield stength, Elongation, Flattenging, Flaring

Chemical analysis

Eddy Current Test 100%, Size and surface checking 100%

Other test item can be arranged as per request


The tubes can be produced in the following delivery conditions:

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.


Carbon Steel Hollow Steel Tube High Precision Welded Tube Professional EN10305-2 / E355 0