• 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

Thick Wall Thickness Hollow Metal Tube ID 450mm With ISO 9001 Certification

Place of Origin Jiangsu, China
Brand Name Hongbao
Certification TS16949,DNV,PED,ISO,TUV,LR
Model Number HBHST-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
Supply Ability 30000MT per year

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Product Details
Brand Hongbao Certificate TS16949,DNV,PED,ISO,TUV,LR
Material ST37.4,ST52.4,E235,E355,26MnB5,34MnB5 OD 6-120mm
Thickness 0.5-15mm Length 12000mm Max
High Light

hollow steel bar


round hollow tube

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Product Description

DIN E235 E355 Cold Drawn Tube Hollow Pipe Precision Tubular For Auto Parts



Product name DIN E235 E355 Cold Drawn Tube Hollow Pipe Precision Tubular For Auto Parts
Grade Carbon steel E155, E195, E235, E275, E355. S45C
Size ID.: 20-450mm W.T.:1-80mm L:max12000mm
Standard EN10305-2
Certification ISO9001, TS16949
Used Auto industry
Machinery use
Oil Cylinder Tube
Motorcyle shock absorber
Auto shock absorber innder cylinder
Telescopic Cylinders
Heat treatment method

+Cc, +LCc, +SR, +Ad, +N

Note: Special steel grade is also available, according to customer request.
Please specify the steel grade and heat treatment mothod when sending the enquiry










Deliver 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