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Seamless Carbon Steel Boiler Tubing / tube / tubes,DIN2391 ST37.4 NBK

Seamless Carbon Steel Boiler Tubing / tube / tubes,DIN2391 ST37.4 NBK

Seamless Carbon Steel Boiler Tubing / tube / tubes,DIN2391 ST37.4 NBK
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Seamless Carbon Steel Boiler Tubing / tube / tubes,DIN2391 ST37.4 NBK
Product Details:
Place of Origin: CHINA
Brand Name: YUHONG
Certification: ISO9001-2008, API 5L, API 5CT
Model Number: ST37.4, ST52.4
Payment & Shipping Terms:
Minimum Order Quantity: 100KGS
Packaging Details: PLYWOOD CASE,BUNDLE,PALLET
Delivery Time: 7DAYS
Payment Terms: L/C, T/T
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Detailed Product Description
OD: 3/4" (19.05), 1"(25.4) , 1-1/4"(31.75), 1-1/2"(38.1), 2" (50.8), 2-1/2"(63.5) , 3" (76.2) LENGTH: 6000MM,6096MM,SRL,DRL
MATERIAL: ST37.4, ST52.4 USAGE: Heat Exchanger Tube, Boiler Tube
STANDARD: DIN 2391C NBK
High Light:

carbon steel seamless tube

,

boiler condensate pipe

Seamless Carbon Steel Boiler Tubing / tube / tubes,DIN2391 ST37.4 NBK

 

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 -

 

Seamless Carbon Steel Boiler Tubing / tube / tubes,DIN2391 ST37.4 NBK 0

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