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EN10216-3 high temperature seamless steel tubes pipes P355NH
Source:Xin Steel Industry   Date:2018/11/14

 

EN10216-3 high temperature seamless steel tubes pipes P355NH


Alloy fine grain steel tubes for pressure purposes in European standard EN 10216-3


Relative steel grades:P275NL1,P275NL2,P355N,P355NH,P355NL1,P355NL2,P460N,P460NH,
P460NL1,P460NL2,P620Q,P620QH,P620QL,P690Q,P690QH,P690QL1,P690QL2.


Main application:Non-alloy and alloy high temperature seamless steel pipes more used for building boilers and pressure vessels’parts,power plants.P355NH low alloy seamless steel pipes have to be done Normalized heat treatment.


Rolling range:A) Diameter:1/2’’ to 36’’  B) Schedule:SCH20-SCHXXS  C) O.D.:13.7MM-914.4MM  D) Wall Thickness: 2.11MM-60MM  E) Length: Max.17MM


Test and Certificates:Low temperature impacting test,NDE (Non-Destructive Testing),Ultrasonic examination,Heat treatment,Bending test,Eddy test,Hydrostatic test,High tension test.Mill test certificates with EN 10204 3.1 OR 3.2 approved by third party inspection TUV,LR,ABS,SGS,PED,etc.


Want to get more information about seamless steel pipes,please CONTACT XINSTEEL NOW

 

►Mechnical property for P355NH pressure vessel steel pipes:

 

Yield strength (≥Mpa)

Wall Thickness

Tensile strength (≥Mpa)

Wall Thickness

T≤20

20<T≤40

40<T≤50

50<T≤65

65<T≤80

80<T≤100

T≤20

20<T≤65

65<T≤100

355

345

335

325

315

305

490-650

490-

630

450-

590

 

►Chemical composition for P355NH steel tubes (Cast Analysis Max%)

 

Main chemical elements composition of P355NH

C

Si

Mn

P

S

Cr

Mo

Ni

0.20

0.50

0.90-1.70

0.025

0.020

0.30

0.08

0.50

Al total min.

Cu

N

Nb

Ti

V

Nb+Ti+V

0.020

0.30

0.020

0.05

0.040

0.10

0.12

 

XINSTEEL INDUSTRIAL CO.,LTD keeps high quality seamless steel tubes pipes with steel grades in EN 10216-2 and EN10216-3.P355N seamless pipes,P355NH seamless steel tubes,P355NL1,P355NL2 low temperature used alloy seamless steel pipes original from Chinese national owned steel mills TPCO,BAOSTEEL,etc.