• 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.
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Phone Number : 86-512-58715276
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High Strength Cold Rolled Steel Tube 0.3mm Wall Tthickness For Motorcyle Shock Absorber

Place of Origin Jiangsu, China
Brand Name Hongbao
Certification TS16949,DNV,PED,ISO,TUV,LR
Model Number HBCDSST-1
Minimum Order Quantity 1 ton
Price Negotiable
Packaging Details seaworthy plywooden case packing.
Delivery Time within 50 days
Supply Ability 30000MT per year

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Product Details
Material Low Carbon Steel,Carbon Steel,Carbon Alloy Steel,E355,E235,ST37.2 Brand Hongbao
Certificate TS16949,DNV,PED,ISO Origin Jiangsu,China
OD 4-383mm Thickness 0.5-18mm
Processing Seamless Package Seaworthy Packing.
High Light

cold rolled steel tube


cold drawn seamless pipe

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Product Description

Cold Drawn Seamless Steel Tube EN10305-1 E235 E355Steel Tube for Precision Application









Scope (mm)



GB Series (mm)



DIN series (mm)

Enterprise internal control standards (mm)


Special high-precision (mm)


Out diameter


2-30 ±0.10 ±0.08 ±0.05 ±0.03
31-40 ±0.15 ±0.15 ±0.05 ±0.03
41-50 ±0.20 ±0.20 ±0.08 ±0.03
51-60 ±0.25 ±0.25 ±0.08 ±0.03
Wall thickness 0.3-10 ±10%; MIN±0.15 ±10% ±10%; MIN±0.05 ±10%; MIN±0.03














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.


GBK (+A) Annealed.

After the final cold forming process the tubes are annealed in a controlled atmosphere.


NBK (+N) Normalized. (Mainly focus on)

After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere.