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High Strength Cold Rolled Steel Tube 0.3mm Wall Tthickness For Motorcyle Shock Absorber

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xMaterial | 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 |
Cold Drawn Seamless Steel Tube EN10305-1 E235 E355Steel Tube for Precision Application
Description
SIZE TOLERANCE | |||||
NAME |
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 |
DELIVERY CONDITIONS
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.