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Special low temperature seamless steel tubes pipes P275NL2
Source:Xin Steel Industry   Date:2018/11/13

 

Special low temperature seamless steel tubes pipes P275NL2


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.P275NL2 low alloy seamless steel pipes have to be done Normalized heat treatment and low temperature impacting test.


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 P275NL2 pressure vessel steel pipes:

 

Yield strength (≥Mpa)

Wall Thickness

Tensile strength (≥Mpa)

Wall Thickness

  T≤40

40<T≤50

50<T≤65

65<T≤80

80<T≤100

 T≤20

20<T≤65

65<T≤100

275

265

255

245

235

390-530

390-510

360-480

 

►Chemical composition for P275NL2 steel tubes (Cast Analysis Max%)

 

Main chemical elements composition of P275NL2

C

Si

Mn

P

S

Cr

Mo

Ni

0.16

0.40

0.50-1.50

0.025

0.015

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

0.05

0.05

 

XINSTEEL INDUSTRIAL CO.,LTD keeps high quality seamless steel tubes pipes with steel grades in EN 10216-2 and EN10216-3.P275NL1 seamless pipes,P275NL2 seamless steel tubes original from Chinese national owned steel mills TPCO,BAOSTEEL,etc.,and owned many different outer diameters and Wall thickness stock pipes for sales in our port warehouses.