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Cold Drawing Seamless Precision Steel Tube Pipe For Auto Industry E235 NBK EN10305-1
  • Cold Drawing Seamless Precision Steel Tube Pipe For Auto Industry E235 NBK EN10305-1
  • Cold Drawing Seamless Precision Steel Tube Pipe For Auto Industry E235 NBK EN10305-1
  • Cold Drawing Seamless Precision Steel Tube Pipe For Auto Industry E235 NBK EN10305-1
  • Cold Drawing Seamless Precision Steel Tube Pipe For Auto Industry E235 NBK EN10305-1
  • Cold Drawing Seamless Precision Steel Tube Pipe For Auto Industry E235 NBK EN10305-1

Cold Drawing Seamless Precision Steel Tube Pipe For Auto Industry E235 NBK EN10305-1

Place of Origin CHANGZHOU, CHINA
Brand Name Joyruns
Certification ISO9000
Model Number EN10305-1 Mechanical steel Tube
Product Details
OD. Range:
6mm – 114.3mm
Wall Thickness:
1mm-15mm
Length:
Max Length 12M
Standard:
EN10305-1
Grade:
E235,E255,E355,C45E, E235C,C35E, ST35,ST45,ST37
Type:
Seamless PRECISION TUBE
High Light: 

E235 Seamless Precision Steel Tube

,

EN10305-1 Seamless Precision Steel Tube

,

E255 cold drawing seamless pipe

Product Description

E235+NBK EN10305-1 Cold drawing Seamless Precision Steel Tube for Auto industry

EN10305-1 Seamless Precision steel tubes Used in hydraulic & pneumatic cylinder, automobile and other mechanical devices. Feature: high precision and high brightness, the inner and outer surface of the tubes have high cleanness without oxid, mechanical properties of the final tubes also come out excellent, promising no leakage under high pressure, no deformation after cold-bent and no cracks when flaring and flattening, ensuring the efficient operation in all service.
Delivery status: BK(+C), BKS(+SR), BKW(+LC), GBK(+A), NBK(+N)

 
Chemical composition(%) of EN 10305-1

Steel grade
Name

Steel
Number

C(% max)

Si(% max)

Mn(% max)

P(% max)

S(% max)

E215

1.0212

0.10

0.05

0.70

0.025

0.015

E235

1.0308

0.17

0.35

1.20

0.025

0.015

E355

1.0580

0.22

0.55

1.60

0.025

0.015

 

Mechanical and technological properties of EN 10305-1

Yield strength
(min Mpa)
Tensile strength
(min Mpa)
Elongation
(min %)
215 290-430 30
235 340-480 25
355 490-630 22

 

Condition on delivery of EN 10305-1:

Term

Symbol

Explanation

Cold-finished/hard
(cold-finished as-drawn)

BK

No heat treatment after the last cold-forming process. The tubes, therefore, have only low deformability.

Cold-finished/soft
(lightly cold-worked)

BKW

After the last heat treatment, there is a light finishing pass (cold drawing) With proper subsequent processing, the tube can be cold-formed (e.g. bent, expanded) within certain limits.

Annealed

GBK

After the final cold-forming process the tubes are annealed in a controlled atmosphere or under vacuum.

Normalized

NBK

The tubes are annealed above the upper transformation point in a controlled atmosphere or under a vacuum.

 

Cold Drawing Seamless Precision Steel Tube Pipe For Auto Industry E235 NBK EN10305-1 0   Cold Drawing Seamless Precision Steel Tube Pipe For Auto Industry E235 NBK EN10305-1 1   Cold Drawing Seamless Precision Steel Tube Pipe For Auto Industry E235 NBK EN10305-1 2

 

Cold Drawing Seamless Precision Steel Tube Pipe For Auto Industry E235 NBK EN10305-1 3   Cold Drawing Seamless Precision Steel Tube Pipe For Auto Industry E235 NBK EN10305-1 4   Cold Drawing Seamless Precision Steel Tube Pipe For Auto Industry E235 NBK EN10305-1 5

Cold Drawing Seamless Precision Steel Tube Pipe For Auto Industry E235 NBK EN10305-1 6

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