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Purchasing for Carbon Steel Boiler Tube DIN2391 ST52.4 NBK Precision Cold Drawn Seamless Tubes export to Reunion Exporter

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make contact with us at any time. We glance for DIN2391 ST52.4 NBK Precision Seamless Tubes,DIN2391 St52.4 N Phosphated Hydraulic Tube,Hydraulic Cold Drawn Tube DIN2391. you should truly feel no cost to get in touch with us.

Purchasing for Carbon Steel Boiler Tube DIN2391 ST52.4 NBK Precision Cold Drawn Seamless Tubes export to Reunion Exporter

DIN2391 Precision Cold Drawn Seamless Pipes and Tubes, Gr St35 St45 St52 St37.4, Cold Finished Seamless Pipe use for Hydraulic and Pneumatic. 

Delivery Status: NBK (+N) BKW (+LC) GBK (+A) BKS (+SR) BK (+C) OD x WT = 4~120 x 0.5~15mm

DIN2391 St52.4+N Phosphated Hydraulic Tube 


Description:
Precision steel tube
Grade:
St 30 Si / St 30 Al
/ St 35 / St37 / St37.4 / St45 / St 52 / St52.4
/ E215 / E235 / E355 
Precision in size,Bright for the surface, high ability of mechanical performance
Standard: DIN 2391, EN10305-1, EN10305-4, BS 6323, ISO 8535
 
DIN2391 Precision steel pipe
STEEL GRADE: ST30Si, ST30Al, ST35, ST37, ST37.4, ST45, ST52, ST52.4, etc
Size:(mm)
Out Dimensions: 6 mm ~ 350 mm
Wall Thickness: 0.8 mm ~30mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)


 Hydraulic Precision Cold Draw Seamless Tube DIN2391 ST52.4 and St37.4


Final supply conditions:
 
Cold finished(hard)BK
Tubes do not undergo heat treatment following the final cold forming and, thus, have a rather high
resistance to deformation.
 
Cold finished(soft)BKW
The final heat treatment is followed by cold drawing involving limited deformation. Appropriate further
processing allows a certain degree of cold forming (e.g. bending, expanding)
 
Cold finished and stress-relieved BKS
Heat treatment is applied following the last cold forming process. Subject to appropriate processing
conditions, the increase in the residual stresses involved enables both forming and machining to a certain
degree.
 
Annealed GBK The last cold forming process is followed by annealing in a controlled atmosphere.
 


Normalized NBK
The last cold forming process is followed by annealing above the upper transformation point in a controlled

atmosphere.


Chemical Composition:

Steel grade


Chemical composition,
as a percentage by mass


Symbol


Material
number


C max.

Si max.

Mn


P
max.



S
max.


St 30 Si

1.0211

0.10

0.30

<=0.55

0.025

0.025

St 30 Al

1.0212

0.10

0.05

<=0.55

0.025

0.025

St 35

1.0308

0.17

0.35

<=0.40

0.025

0.025

St 45

1.0408

0.21

0.35

<=0.40

0.025

0.025

St 52

1.0580

0.22

0.55

<=1.60

0.025

0.025


The following alloying elements may be added:
Nb: <=0,03%; Ti: <=0,03%; V: <=0,05%; Nb + Ti + V: <=0,05%.


 
Steel grade Chemical Composition(%):
Steel name Steel number C max Si max Mn P max S max Al min
E215 1.0212 0.10 0.05 0.70 0.025 0.025 0.025
E235 1.0308 0.17 0.35 1.20 0.025 0.025 -
E355 1.0580 0.22 0.55 1.60 0.025 0.025 -


"In an effort to finest meet up with client's requirements, all of our operations are strictly performed in line with our motto ""High High quality, Competitive Rate, Fast Service"" for DIN2391 ST52.4 NBK Precision Cold Drawn Seamless Tubes. The product will supply to all over the world, such as: Benin,Chile,Australia. Our professional technical team will be wholeheartedly at your service. We sincerely welcome you to visit our website and company and send us your inquiry.

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