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quality High Pressure Annealed Pipe Seamless DIN2391C ST52.4 NBK Phosphating Cold Drawn DNV GL factory
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quality High Pressure Annealed Pipe Seamless DIN2391C ST52.4 NBK Phosphating Cold Drawn DNV GL factory
quality High Pressure Annealed Pipe Seamless DIN2391C ST52.4 NBK Phosphating Cold Drawn DNV GL factory
quality High Pressure Annealed Pipe Seamless DIN2391C ST52.4 NBK Phosphating Cold Drawn DNV GL factory
quality High Pressure Annealed Pipe Seamless DIN2391C ST52.4 NBK Phosphating Cold Drawn DNV GL factory
>

High Pressure Annealed Pipe Seamless DIN2391C ST52.4 NBK Phosphating Cold Drawn DNV GL

Brand Name: HDT
Model Number: ST37.4, ST52.4
Place of Origin: China(Mainland)
Certification: ABS, BV, LR,TUV,DNV,IEI,IGI
Minimum Order Quantity: 5T
Price: 800 - 9000 USD / ton
Supply Ability: About 10000 ton / month

Product Details


Steel Grade: ST37.4, ST52.4 Application: Heat Exchanger Tube, Boiler Tube
Standard: DIN 2391C Surface: NBK+Phosphating
3rd Party Inspection: BV,SGS OD: 4-600mm
Highlight

bright annealed tube

,

pickling stainless steel pipe

Product Description

High Pressure Seamless Boiler tube DIN2391C ST52.4 NBK + Phosphating Precision Cold Drawn DNV.GL Approved

 

 

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

 

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 0.025High Pressure Annealed Pipe Seamless DIN2391C ST52.4 NBK Phosphating Cold Drawn DNV GL 0High Pressure Annealed Pipe Seamless DIN2391C ST52.4 NBK Phosphating Cold Drawn DNV GL 1 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 -

 

High Pressure Annealed Pipe Seamless DIN2391C ST52.4 NBK Phosphating Cold Drawn DNV GL 2

 

Certification

High Pressure Annealed Pipe Seamless DIN2391C ST52.4 NBK Phosphating Cold Drawn DNV GL 3

High Pressure Annealed Pipe Seamless DIN2391C ST52.4 NBK Phosphating Cold Drawn DNV GL 4

 

 

Product Highlights

High Pressure Seamless Boiler tube DIN2391C ST52.4 NBK + Phosphating Precision Cold Drawn DNV.GL Approved 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 (...

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