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Seamless Carbon Steel Boiler Tube Heat Exchanger Tube DIN 2391C NBK Standard

Seamless Carbon Steel Boiler Tube Heat Exchanger Tube DIN 2391C NBK Standard

    • Seamless Carbon Steel Boiler Tube Heat Exchanger Tube DIN 2391C NBK Standard
    • Seamless Carbon Steel Boiler Tube Heat Exchanger Tube DIN 2391C NBK Standard
    • Seamless Carbon Steel Boiler Tube Heat Exchanger Tube DIN 2391C NBK Standard
  • Seamless Carbon Steel Boiler Tube Heat Exchanger Tube DIN 2391C NBK Standard

    Product Details:

    Place of Origin: CHINA
    Brand Name: YH,YHSS,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

    Seamless Carbon Steel Boiler Tubing / tube / tubes,DIN2391 ST37.4 NBK 18MM

     

     

    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 Tube Heat Exchanger Tube DIN 2391C NBK Standard

    Contact Details
    Yuhong Group Co.,Ltd

    Contact Person: Candy

    Tel: +8613967883024

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