• Jiangsu Hongbao Group Co., Ltd.
    A good collaboration!
  • Jiangsu Hongbao Group Co., Ltd.
    It could provide professional solutions for application of titanium tubes, reliable partner.
Contact Person : Angela
Phone Number : 86-512-58715276
Whatsapp : +8615895686919

Construction Field Cold Rolled Steel Tube Excellent Surface Wall Thickness 35mm

Place of Origin Jiangsu, China
Brand Name Hongbao
Certification TS16949,DNV
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 ST37.4,ST52.4,E235,E355,26MnB5,34MnB5 Brand Hongbao
Origin Jiangsu,China OD 6-120mm
Thickness 0.5-15mm Processing Cold Drawn, Cold Rolled
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Product Description

EN10305-1 E235 Precision Steel Tube Black Hydraulic Cylinder Tubing For Automative



Product Name EN10305-1 E235 Precision Steel Tube Black Hydraulic Cylinder Tubing
Material Carbon steel
Color Black
Standard DIN EN
Grade E155,E195,E235,E275,E355, other materials upon agreement with customers.
Used Hydraulic cylinder manufacture raw material and engineer purpose









   +C No heat treatment after the final cold drawig 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

   +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



EN10305-1 Seamless Cold Drawn/Rolling Steel Tubes
For Hydraulic Cylinder/Oil Cylinder Tube/Excavator Chains and Parts
Size range: O.D.:6-380mm W.T.:1-35mm L:max12000mm


Product Feature:

Cutting to Specified Length

1. High precision (can cut the costs of machining) .
2. Excellent surface finish
3. Good mechanical performance (Aneal ,Bright Anealing,QT heatment on steel tubes to reach customers' Mechanical requsts. )



Automotive components

Tubes for structural applications

Standard mechanical tubing

Hydraulic Cylinder Applications

Heavy Equipment And Agriculture