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quality Heat Exchanger Boiler Steel Tube Standard DIN2391 ST37.4 NBK 12*1MM factory
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quality Heat Exchanger Boiler Steel Tube Standard DIN2391 ST37.4 NBK 12*1MM factory
quality Heat Exchanger Boiler Steel Tube Standard DIN2391 ST37.4 NBK 12*1MM factory
quality Heat Exchanger Boiler Steel Tube Standard DIN2391 ST37.4 NBK 12*1MM factory
quality Heat Exchanger Boiler Steel Tube Standard DIN2391 ST37.4 NBK 12*1MM factory
>

Heat Exchanger Boiler Steel Tube Standard DIN2391 ST37.4 NBK 12*1MM

Brand Name: HDT
Place of Origin: Zhangjiagang,China
Minimum Order Quantity: 5T
Price: 800 - 9000 USD / ton
Supply Ability: About 10000 ton / month

Product Details


Product Name: Carbon Steel Boiler Tube Heat Exchanger Seamless Tube Application: Boiler Heat Exchanger
Standard: DIN2391 Material: ST37.4, ST52.4
Highlight

DIN2391 ST37.4 NBK Steel Tube

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DIN2391 ST37.4 Heat Exchanger Tube

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ST37.4 NBK Boiler Steel Tube

Product Description

Carbon Steel Boiler Tube Heat Exchanger Seamless Tube DIN2391 ST37.4 NBK 12*1MM

 

 

 

Carbon Steel Boiler Tube Heat Exchanger Seamless Tube DIN2391 ST37.4 NBK 12*1MM

 

 

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.

Heat Exchanger Boiler Steel Tube Standard DIN2391 ST37.4 NBK 12*1MM 0

 

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 -
 

Product Highlights

Carbon Steel Boiler Tube Heat Exchanger Seamless Tube DIN2391 ST37.4 NBK 12*1MM Carbon Steel Boiler Tube Heat Exchanger Seamless Tube DIN2391 ST37.4 NBK 12*1MM DIN2391 Precision Cold Drawn Seamless Pipes and Tubes, Gr St35 St45 St52 St37.4, Cold Finished Seamless Pipe use for Hydraulic and Pneumatic...

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