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  • Jiangsu Hongbao Group Co., Ltd.
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Welded Hydraulic Precision Steel Tube , Max Length 18000mm E235 Steel Tube

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
Brand Hongbao Origin Jiangsu,China
OD 6-120mm Thickness 0.5-15mm
Length 18000mm Max. Shape Round
Type Welded Or Seamless Processing Cold Drawn, Cold Rolled
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precision seamless tubing


erw precision tubes

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Product Description

Welded Hydraulic Precision Carbon Steel Tube EN10305-1 E235 E355 Steel Tube


Chemical Composition and Mechanical Performance:

Table 1- Chemical composition
Steel Grade C% Si% Mn% P% S% AL%
E215 ≤0.10 ≤0.05 ≤0.7 ≤0.025 ≤0.025 ≥0.025
E235 ≤0.17 ≤0.35 0.4-1.2 ≤0.025 ≤0.025  
E255 ≤0.21 ≤0.35 0.4-1.1 ≤0.025 ≤0.025  
E355 ≤0.22 ≤0.55 ≤1.6 ≤0.025 ≤0.025  



Delivery condition of seamless cold drawn mechanical tubing

  1. BK (+C) Cold finished/hard (cold finished as drawn).
  2. BKW (+LC) Cold finished/soft
  3. BKS (+SR) Cold finished/stress relieve annealed.
  4. GBK (+A) Annealed.
  5. NBK (+N) Normalized.

Round Cold Drawn Welded Precision DOM Steel Tube are manufactured according to technical specification of EN10305-2 Cold Drawn Welded Precision Steel Tubes DOM tubing, with steel grade of E155,E195,E235,E275,E355 and delivery conditions of +C +LC +SR +A +N