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

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ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD

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Brand Name : HDT

Place of Origin : Zhangjiagang,China

MOQ : 5T

Delivery Time : 60-75days

Price : 800 - 9000 USD / ton

Supply Ability : About 10000 ton / month

Packaging Details : seaworthy packing for exporting

Payment Terms : L/C, T/T, Western Union

Product Name : Carbon Steel Boiler Tube Heat Exchanger Seamless Tube

Application : Boiler Heat Exchanger

Standard : DIN2391

Material : ST37.4, ST52.4

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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

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%.

Product Tags:

DIN2391 ST37.4 NBK Steel Tube

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