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Zhejiang Yuhongwell Steel Co.,Ltd

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

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

High Pressure Seamless Boiler tube DIN2391C ST52.4 NBK + Phosphating Precision Cold Drawn DNV / GL Approved
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High Pressure Seamless Boiler tube DIN2391C ST52.4 NBK + Phosphating Precision Cold Drawn DNV / GL Approved
Product Details:
Place of Origin: CHINA, Marine class Approved
Brand Name: YHSS, YUHONG
Certification: ABS, BV, LR,TUV,DNV,IEI,IGI
Model Number: 10*1.0*6000MM etc
Payment & Shipping Terms:
Minimum Order Quantity: 200KGS
Price: Negotiable
Packaging Details: Ply-wooden case packing. Strong Iron case packing.
Delivery Time: 10-30 days according to Order Detail
Supply Ability: PCS, METERS, KG, TON
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Detailed Product Description
Standard: DIN 2391C NBK+Phosphating Material: ST37.4, ST52.4
Usage: Heat Exchanger Tube, Boiler Tube
High Light:

boiler pipe

,

boiler condensate pipe

 

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 0.025 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 -

 

High Pressure Seamless Boiler tube DIN2391C ST52.4 NBK + Phosphating Precision Cold Drawn DNV / GL Approved 0

 

 

Contact Details
Yuhong Group Co.,Ltd

Contact Person: Vantin

Tel: 15336554421

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