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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
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.